Elm v. Venmill Industries

8/12/2019 Elm v. Venmill Industries

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UNITED STATES DISTRICT COURT

DISTRICT OF NEW JERSEY

John M. Agnello

Melissa E. Flax

CARELLA, BYRNE, CECCHI,OLSTEIN, BRODY & AGNELLO, P.C.

5 Becker Farm RoadRoseland, NJ 07068Tel: (973) 994-1700

Fax: (973) 994-1744

William S. Frommer

Kevin Murphy

FROMMER LAWRENCE & HAUG LLP745 Fifth Avenue

New York, New York 10151Tel: (212) 588-0800Fax: (212) 588-0500

Attorneys for Plaintiff

ELM, Inc.

ELM, INC.,

Plaintiff,v.

VENMILL INDUSTRIES, INC.

Defendant.

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Civil Action No. ____________

Document Electronically Filed

COMPLAINT FOR PATENT INFRINGEMENT

Plaintiff, ELM, Inc. ("ELM"), by its attorneys, for its Complaint, alleges as

follows:


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The Parties

1. ELM is a corporation organized and existing under the laws of Japan and

having its principal place of business at 2398 Kasedamiyabara, Minamisatsuma-City,

Kagoshima, 897-1124, Japan.

2. Defendant VenMill Industries, Inc. (Venmill) is a corporation organized

and existing under the law of the State of Massachusetts and having its principal place of

business at 670 Douglas Street, Uxbridge, MA 01569.

Nature of the Action

3. This is an action for patent infringement of U.S. Patent No. 8,342,905

entitled Optical Disk Restoration Method and Apparatus (the 905 patent). This action arises

therefore under the patent laws of the United States, 35 U.S.C. 1 et seq.

Jurisdiction and Venue

4. This Court has original jurisdiction over the subject matter of this action

pursuant to 28 U.S.C. 1331 & 1338(a).

5. According to the VenMill website, VenMill maintains distributors of its

products throughout the U.S., including in the state of New Jersey. Consumers throughout the

U.S., including those in New Jersey, can purchase various VenMill products by placing orders

through the VenMill website.

6. Further, upon information and belief, VenMills authorized distributor

Unbeatable Sales, located in Lakewood, New Jersey offers for sale a device VenMill refers to

as the VMI Hybrid Disk Restorer.

7. The VMI Hybrid Disk Restorer is covered by at least one claim of the

905 patent.


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8. VenMill has infringed, and continues to infringe, literally and/or under

the doctrine of equivalents, one or more claims of the 905 patent at least by making, using,

offering to sell, and selling (directly or through intermediaries) and/or supplying in this district

the VMI Hybrid Disk Restorer.

9. VenMill has directed its activities at residents of New Jersey, by offering

the VMI Hybrid Disk Restorer to customers for sale on its website, including to customers in

New Jersey and offering the VMI Hybrid Disk Restorer through its New Jersey-based

distributor Unbeatable Sales. VenMill has made specific efforts to comply with New Jersey

statutes and regulations governing the operation of the VMI Hybrid Disk Restorer. New Jersey

residents have purchased and/or used the VMI Hybrid Disk Restorer in the State of New Jersey.

10. At least specific personal jurisdiction over VenMill is therefore

appropriate as this cause of action arises directly from VenMills action in New Jersey and

VenMills conduct forms the basis of ELMs claim of damage from VenMills infringing

conduct.

11. Venue is thus also proper in this judicial district under 28 U.S.C.

1391(b).

12. VenMill maintains sufficient contacts with New Jersey such that the

exercise of jurisdiction over VenMill is consistent with the requirements of due process and

does not offend traditional notions of fair play and substantial justice.

Background of the 905 Patent

13. The '905 patent was duly and legally issued by the United States Patent

and Trademark Office to Takakazu Miyahara, Terumasa Miyahara, and Kazutoshi Chijiwa on


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January 1, 2013. The inventors assigned the 905 patent to ELM. A true and correct copy of the

'905 patent is attached hereto as Exhibit l.

14. ELM is the assignee of the '905 patent and continues to hold all rights,

title, and interest therein.

COUNT I

Patent Infringement of the 905 Patent

15. ELM repeats and re-alleges each of the foregoing Paragraphs as if fully set

forth herein.

16. As noted above, VenMill has manufactured and sold, and offered for sale

and continues to manufacture, sell and offer for sale the infringing VMI Hybrid Disk Restorer

throughout the United States and through a global distribution network, including in this judicial

district.

17. VenMill manufactures, sells, and offers for sale the infringing VMI

Hybrid Disk Restorer without authority, consent or license from ELM.

18. ELM has been damaged and continues to be damaged by VenMills

infringement of the 905 patent.

COUNT II

Willful Infringement of the 905 Patent


forth herein.

20. ELM gave written notice to VenMill of its infringement, and VenMill

acknowledged this notice in writing.

21. VenMill, made aware that its VMI Hybrid Disk Restorer was infringing,

nevertheless continues to manufacture, sell and offer for sale the VMI Hybrid Disk Restorer.


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22. Upon information and belief, VenMills infringement of the 905 patent

has been willful.

COUNT III

Exceptional Case


forth herein.

24. VenMills intentional infringement of the VMI Hybrid Disk Restorer, and

its continued direct infringement, makes this case exceptional under 35 U.S.C. 285 and ELM is

entitled to the reasonable costs and expenses of litigation.

Prayer for Relief

WHEREFORE, ELM respectfully requests the following relief:

A.) Declaring that VenMill has infringed U.S. Patent No. 8,342,905;

B.) Awarding Plaintiff damages adequate to compensate for VenMills infringing

activities, including supplemental damages for any post-verdict infringement up until the

entry of the final judgment with an accounting as needed, together with prejudgment and

post-judgment interest on the damages awarded; all of these damages to be enhanced in

an amount up to treble the amount of compensatory damages as justified under 35 U.S.C.

284;

C.) Enjoining on a preliminary and permanent basis VenMill and its officers,

directors, agents, servants, employees, affiliates, divisions, branches, subsidiaries, parents

and all others acting in concert or privity with them from direct or indirect infringement

of the patent-in-suit pursuant to 35 U.S.C. 283;

D.) Declaring that this case is exceptional under 35 U.S.C. 285 and awarding


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Plaintiff its reasonable attorneys fees, costs and other expenses of litigation; and

E.) Awarding Plaintiff such other and further relief as the Court may deem just and

proper.

JURY DEMAND

25. ELM requests a jury trial on all issues.

CARELLA, BYRNE, CECCHI,

OLSTEIN, BRODY & AGNELLO

Dated: July 21, 2014 By: /s/ Melissa E. Flax

John M. AgnelloMelissa E. Flax

Of Counsel:

William S. FrommerKevin Murphy

FROMMER LAWRENCE & HAUG LLP

745 Fifth AvenueNew York, New York 10151

Tel: (212) 588-0800

Fax: (212) 588-0500


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LOCAL RULE 11.2 CERTIFICATION

I hereby certify under penalty of perjury that this matter is the subject of another

declaratory judgment action asserted by Defendant Venmill Industries, Inc., and styled

VENMILL INDUSTRIES, INC. v. ELM, INC., filed in the District Court for the District of

Massachusetts (Massachusetts Action). VenMill has not served the Complaint in the

Massachusetts action upon ELM.

CARELLA, BYRNE, CECCHI,OLSTEIN, BRODY & AGNELLO

Dated: July 21, 2014 By: /s/ Melissa E. FlaxJohn M. Agnello

Melissa E. Flax

Of Counsel:

William S. Frommer

Kevin MurphyFROMMER LAWRENCE & HAUG LLP

745 Fifth Avenue

New York, New York 10151Tel: (212) 588-0800

Fax: (212) 588-0500


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LOCAL RULE 201.1 CERTIFICATION

Pursuant to L. Civ. R. 201.1, the undersigned counsel for the Plaintiff ELM, Inc.

hereby certifies that the action includes a prayer for injunctive relief and therefore that this action

is not appropriate for compulsory arbitration.

CARELLA, BYRNE, CECCHI,

OLSTEIN, BRODY & AGNELLO

Dated: July 21, 2014 By: /s/ Melissa E. FlaxJohn M. Agnello

Melissa E. Flax

Of Counsel:

William S. Frommer

Kevin MurphyFROMMER LAWRENCE & HAUG LLP

745 Fifth Avenue

New York, New York 10151

Tel: (212) 588-0800Fax: (212) 588-0500


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EXHIBIT A


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US008342905B2

1 2 ) United States Patent 1 0 ) P a t e n t N 0 . : U S 8 , 3 4 2 , 9 0 5 B2Miyahara t a ] . 4 5 ) Date o f P a t e n t : J a n . 1 , 2013

(54) OPTICAL DISKRESTORATIONMETHOD 5,099,618 A * 3/1992 Schmid . . . . . . . . . . . . . . . . . . . . . . . . . 451/57ANDAPPARATUS 5,102,099 A * 4 / 1 9 9 2 Brown t a l . . . . . . . 451/283

5,113,622 A * 5/1992 Nishiguchiet a 1 . . . . . . .. 4 5 1 / 7. 5 305 554 4/1994 Emk t l . . . . . . . 451/113( 7 5 ) I n v e n t o r s : Takakazu M1y ahara,M 1nam1satsuma 5 , 5 9 3 , 3 4 3 A M997 B a u e i n 4 5 1 / 2 5 4

( J P ) ; Terllmasa Mlyahara, 5 , 6 7 4 , 1 1 5 A * 1 0 / 1 9 9 7 Yamashita e t a l . 451/289Minamisatsuma J P ) ; Kazutoshi 5,797,789 A * 8/1998 Tanaka e t a l . . . . . . . . . . . . . . . . 451/289C h i j i i W a , M i n a m i s a t s u m a J P ) C o n t i n u e d )

7 3 ) A s s i g n e e : Elm n c . , M i n a m i s a t s u m a J P ) FOREIGN PATENT DOCUMENTSJP A-9-32326l 1 2 / 1 9 9 7* N o t i c e : S u b e c t t o an d i s c l a i m e r , t h e term of h i syp a t e n t i s e x t e n d e d o r a d j u s t e d u n d e r 3 5 ( c o m l n u e d )

U . S . C . 1 5 4 ( b ) b y 3 6 9 d a y s . OTHER PUBLICATIONS( 2 1 ) A p p l N O : 1 2 / 6 7 9 4 2 7 N o v . 2 , 2 0 0 9 W r i t t e n O p i n i o n i s s u e d i n I n t e r n a t i o n a l P a t e n t A p p l i( 2 2 ) PCT F i l e d Aug 3 1 2009 c a t i o n N o . P C T / J P 2 0 0 9 / 0 0 4 2 7 0 w i t h t r a n s l a t i o n ) .

. .

C o n t i n u e d )( 8 6 ) PCT N o . : PCT/JP2009/004270 3 7 1 ( O X 1 ) , P r i m a r y Examiner eorge Nguyen2 ) , 4 ) D a t e ; Mar, 2 2 , 2010 ( 7 4 ) A t t o r n e y , A g e n t , o r Firm liff B e r r i d g e , PLC

( 8 7 ) PCT P u b . N o . : WO2011/024241 ( 5 7 ) ABSTRACTPCT P u b D a t e ; Mar, 3 , 2 0 1 1 An o p t i c a l d i s k r e s t o r a t i o n a p p a r a t u s a n d o p t i c a l d i s k r e s t o

r a t i o n method r e p r o v i d e d , Which r e c a p a b l e o f a c h i e v i n g a( 6 5 ) P I i O I P l l b l i c a t i O I l D a t a h i g h l e v e l o f c a p a b i l i t y o f r e s t o r i n g a s c r a t c h e d o p t i c a l d i s k ,

Us 011/0143636 A1 J u n 1 6 , 2 0 1 1 W i t h o u t consuming t h e t i m e and l a b o r o f an o p e r a t o r , W h i l er e d u c i n g t h e p r o d u c t i o n c o s t o f t h e a p p a r a t u s . D u r i n g a p o l

( 5 1 ) I n ; C ] _ i s h i n g p r o c e s s , a n a p p r o p r i a t e amount o f a p o l i s h i n g a g e n t i sB24C / 0 0 ( 2 0 0 6 0 1 ) d r o p p e d o n t o t h e r e a d o u t s u r f a c e o f t h e o p t i c a l d i s k by a( 5 2 ) us. C l . . . . . . . . . . . . . . . . . . . 4 5 1 / 2 ; 4 5 1 / 7 ; 4 5 1 / 4 1 ; 4 5 1 / 6 0 ; p o l i s h i n g a g e n t s u p p l y pump o C o n t i n u o u s l y S u p p l y t h e P 0 1

4 5 1 / 2 8 5 ; 4 5 1 / 4 4 6 i s h i n g a g e n t t o t h e i n t e r f a c e b e t W e e n t h e o p t i c a l d i s k a n d( 5 8 ) F i e l d o f C l a s s i ? c a t i o n Search . . . . . . . . . . . . . . . . . . 4 5 1 / 4 1 , p o l i s h i n g p a d s , W h i l e a p o l i s h i n g W a t e r S u p p l y Pump s O p e r

4 5 1 / 6 0 , 2 8 3 4 2 9 0 , 7 , 2 , 4 4 6 a t e d t o r e p l e n i s h t h e p o l i s h i n g a g e n t W i t h m o i s t u r e e v a p oS e e a p p l i c a t i o n ? l e f o r c o m p l e t e s e a r c h h i s t o r y . r a t e d b y t h e p o l i s h i n g h e a t . By h i s m e c h a n i s m , t h e a m o u n ta n d p h y s i c a l p r o p e r t i e s o f t h e p o l i s h i n g a g e n t a t t h e i n t e r f a c e( 5 6 ) R e f e r e n c e s C i t e d b e t W e e n t h e o p t i c a l d i s k a n d t h e p o l i s h i n g p a d s a r e a p p r o p r i

a t e l y m a i n t a i n e d f o r a l o n g p e r i o d o f t i m e , s o t h a t t h e r e s t oU - S - PATENT DOCUMENTS r a t i o n c a p a b i l i t y i s m a i n t a i n e d a t h i g h l e v e l s .

4 , 1 7 9 , 8 5 2 A * 12/1979 Barnett . . . . . . . . . . . . . . . . . . . . . . . . . . . 451/634,561,142 A * 12/1985 Mischenko e t a l . . . . . . . . . . 15/971 12 Claims, 7 Drawing heets

25 27a 28a 25b 27b20


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US 8 , 3 4 2 , 9 0 5 B2P a g e 2

US PATENT DOCUMENTS J P A-2004-39155 2 / 2 0 0 46 , 0 9 9 , 3 9 3 A 8 / 2 0 0 0 K a t a g i r i e t a l . 5 ; 4 3 3 8 5 ) : 1 3 5 8 8 ; 6,116,987 A * 9 / 2 0 0 0 Kubo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 5 1/4 1 JP A_2006_l67440 6/20 066 , 2 6 1 , 1 5 8 B1 7 / 2 0 0 1 Holland t a l . J P A_2007_301712 1 1 / 2 0 0 76,312,320 B2 11/2001 Sato e t a l . . . . . . . . . . . . . . . . . . . . . . 451/285 JP U_3144733 9/2 0086,84 6,228 B2 1 / 2 0 0 5 Lin . . . . . . . . . . . . . 451/290 p A_2008_302469 12 / 2 0087,625,263 B2 12/2009 Miyahara e t a l . . . . . . . . . . . . . . 4 5 1/ 287 W W )0/35627 6/2000

FOREIGN PATENT DOCUMENTS OTHER PUBLIC TIQNSi ; M a r . 1 3 2 0 1 . 2 N o t i ? c a t i o n o f R e a s o n f o r I { e j e c t i o n i s - s u e d i n J a p a n e s eJ p A _ 2 0 0 2 _ 8 6 3 3 8 3 / 2 0 0 2 P a t e n t A p p l i c a t i o n N o . 2 0 1 0 - 5 1 1 4 1 6 w i t h t r a n s l a t i o n ) .JP A-2002-541649 1 2 / 2 0 0 2J P A-2003-243343 8 / 2 0 0 3 * c i t e d by examiner


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US Patent J a n . 1 2 0 1 3 S h e e t 1 0 1 7 US 3 4 2 9 0 5 B

F i g .8 7a 6a 6b 7b

8

b

m


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US Patent J a n . 1 2 0 1 3 S h e e t 2 o f 7 US 3 4 2 9 0 5 B2

F i g . 2

28

2417 / 79

24a 24b

F i g . 354

43a

4 1

4 2


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S h e e t 3 0 f 7 US 3 4 2 9 0 5 BS Patent J a n 1 2 0 1 3


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US Patent J a n . 1 2 0 1 3 S h e e t 4 o f 7 US 3 4 2 9 0 5 B


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US Patent J a n . 1 2 0 1 3 S h e e t 5 o f 7 US 3 4 2 9 0 5 B

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1 0 0

7


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US Patent J a n . 1 , 2 0 1 3 S h e e t 6 o f 7 US 3 4 2 9 0 5 B2

F i g . 8

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1


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US Patent J a n . 1 2 0 1 3 S h e e t 7 o f 7

F i g . 9A

140

US 8 3 4 2 9 0 5 B2

13

12


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US 8 , 3 4 2 , 9 0 5 B21

OPTICAL DISK RESTORATION METHOANDAPPARATUSTECHNICAL FIELD

The r e s e n t i n v e n t i o n r e l a t e s t o a method and p p a r a t u s f o rr e s t o r i n g a n o p t i c a l d i s k , s u c h a s a c o m p a c t d i s k C D ) , d i g i t a lv e r s a t i l e d i s k DVD) o r b l u e - r a y d i s k B D ) , b y r e m o v i n gs c r a t c h e s and o t h e r d e f e c t s from t s r e a d o u t s u r f a c e .

BACKGROUNDARTO p t i c a l d i s k s , s u c h a s CDs, DVDs nd BDs, r e made f a

t r a n s p a r e n t r e s i n a l t h o u g h some r o d u c t s a r e c o l o r e d W i t h i nt h e v i s i b l e l i g h t r e g i o n ) a n d n o r m a l l y h a v e a t h i c k n e s s o fapproximately 1 . 2 m i n and a d i a m e t e r of 120 mm With ac e n t r a l h o l e of 5 mm n d i a m e t e r .

F I G . 8 i s a d i a g r a m shoWing t h e s t r u c t u r e o f a commonl yu s e d o p t i c a l d i s k 1 0 0 , W h e r e F I G . 8 a ) i s a p l a n v i e W a n d F I G .8 b ) i s a s e c t i o n a l vieW t t h e a r r o W e d l i n e X-X n F I G . 8 a ) ,each v ieW shoW in g a CD r DVD n h e r i g h t h a l f and BDo n h e l e f t .An p t i c a l d i s k h o l d s i n f o r m a t i o n i n i t s s p e c i ? c l a y e r ; i nCDs, h i s l a y e r i s l o c a t e d on t h e s i d e o p p o s i t e t o t h e r e a d o u t

s u r f a c e , W h i l e DVDs h a v e t h i s l a y e r a t a d e p t h o f a p p r o x im a t e l y 0 . 6 mm rom t h e r e a d o u t s u r f a c e . I n BDs, t h e i n f o rmation i s r e c o r d e d i n a l a y e r 0 . 1 mm eloW t h e r e a d o u ts u r f a c e . The n f o r m a t i on h e l d i n t h e i n f o r m a t i o n r e c o r d l a y e ri s r e a d b y t h r o W i n g a l a s e r beam o n t o t h i s l a y e r t h r o u g h t h er e a d o u t s u r f a c e a n d d e t e c t i n g a r e ? e c t e d beam coming f r o mt h e same a y e r .

T h e r e f o r e , i f t h e r e a d o u t s u r f a c e o f t h e o p t i c a l d i s k i ss c r a t c h e d , i t i s i n p r i n c i p l e i m p o s s i b l e t o c o r r e c t l y r e a d i n f o rm a t i o n b e c a u s e t h e l a s e r beam f o r r e a d i n g t h e i n f o r m a t i o na n d t h e r e ? e c t e d l i g h t c o m i n g f r o m t h e i n f o r m a t i o n r e c o r dl a y e r a r e r e ? e c t e d o r s c a t t e r e d a t t h e s c r a t c h e d p o r t i o n .As l r e a d y s t a t e d , t h e i n f o r m a t i o n h e l d b y t h e o p t i c a l d i s k

i s n o t r e c o r d e d on h e r e a d o u t s u r f a c e b u t i n t h e i n f o r m a t i o nr e c o r d l a y e r b e n e a t h t h e s u r f a c e . T h e r e f o r e , a s c r a t c h on t h er e a d o u t s u r f a c e d o e s n o t d i r e c t l y damage t h e i n f o r m a t i o n .A c c o r d i n g l y , i f t h e i n f o r m a t i o n r e c o r d l a y e r i s s a f e , i t i sp o s s i b l e t o r e a d t h e i n f o r m a t i o n once more by removing t h es c r a t c h from t h e r e a d o u t s u r f a c e .

The p r i n c i p l e o f r e s t o r i n g a n o p t i c a l d i s k i s h e r e i n a f t e rd e s c r i b e d u s i n g FIGS. 9 and 1 0 . F I G . 9 i s an e n l a r g e d s e ct i o n a l vieW o f a s i n g l e - l a y e r BD i t h t h e r e a d o u t s u r f a c ed i r e c t e d u p W a r d s , i n Which a n i n f o r m a t i o n r e c o r d l a y e r 1 3 0formed on a s u b s t r a t e 120 made of polycarbonate r e s i n o rs i m i l a r m a t e r i a l s h a v i n g a t h i c k n e s s o f p p r o x i m a t e l y 1 . 1 mmi s c o v e r e d by c o v e r l a y e r 140 o f a p p r o x i ma t e l y 0 . 1 mm nt h i c k n e s s and h a r d - c o a t l a y e r 150 of t o 5 m i c r o m e t e r s i nt h i c k n e s s .

F I G S . 1 0 1 1 ) and 0 b ) a r e b o t h a n e n l a r g e d s e c t i o n a l vieWo f a n o p t i c a l d i s k W i t h t h e r e a d o u t s u r f a c e d i r e c t e d u p W a r d s ,s h o W i n g t h e p o r t i o n c o r r e s p o n d i n g t o t h e a r e a s u r r o u n d e d b yt h e c i r c l e A n F I G . 9 . F I G . 1 0 a ) shoWs t h e r e a d o u t s u r f a c eW i t h s c r a t c h e s 1 6 0 , a n d F I G . 1 0 b ) s h o W s t h e same p o r t i o nW i t h t h e s c r a t c h g r o u n d a W a y .

I n t h i s m a n n e r , t h e o p t i c a l d i s k c a n b e r e s t o r e d by r i n d i n gaWay t h e d i s k s u r f a c e by t h i c k n e s s a p p r o x i m a t e l y e q u a l t ot h e d e p t h o f t h e s c r a t c h a n d t h e n p e r f o r m i n g a m i r r o r - p o l i s hi n g p r o c e s s .

O p t i c a l d i s k r e s t o r a t i o n a p p a r a t u s e s f o r p o l i s h i n g a n o p t ic a l d i s k t o remove a s c r a t c h from t s r e a d o u t s u r f a c e i n t h ep r e v i o u sl y d e s c r i b e d manner h a v e b e e n c o n v e n t i o n a l l yknoWn f o r e x a m p l e , r e f e r t o P a t e n t Document 1 ) . Ane x a m p l e o f t h e c o n v e n t i o n a l o p t i c a l d i s k r e s t o r a t i o n a p p a r a

20

25

30

35

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4 5

50

55

60

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2t u s e s i n c l u d e s a r o t a r y t a b l e , on Which an o p t i c a l d i s k t o ber e s t o r e d c a n b e s e t , a d i s k - s h a p e d p o l i s h i n g b o d y , a n d o t h e rc o m p o n e n t s . T h i s a p p a r a t u s p o l i s h e s t h e r e a d o u t s u r f a c e o ft h e o p t i c a l d i s k b y r o t a t i n g t h e p o l i s h i n g b o d y a n d t h e r o t a r yt b l e W h i l e m a i n t a i n i n g t h e p o l i s h i n g b o d y i n c o n t a c t W i t h t h er e a d o u t s u r f a c e .

PRIORART DOCUMENT

P a t e n t DocumentP a t e n t Document : J a p a n e s e Unexamined P a t e n t A p p l i c a

t i o n P u b l i c a t i o n No. 2005 3 l 0 2 l lDISCLOSURE OF THE INVENTION

P r o b l e m s t o b e S o l v e d by t h e I n v e n t i o nThe p o l i s h i n g m e t h o d s by t h e a f o r e m e n t i o n e d c o n v e n

t i o n a l o p t i c a l d i s k r e s t o r a t i o n d e v i c e s c a n be c l a s s i ? e d i n t ot h r e e t y p e s . One method s c a l l e d a d r y t y p e , i n Which h e d i s ki s p o l i s h e d W i t h a b u f f made o f s p o n g e , f e l t , c l o t h o r s i m i l a rm a t e r i a l h o l d i n g a r e l a t i v e l y h i g h - v i s c o s i t y p o l i s h i n g a g e n t .The second method s c a l l e d a Wet y p e , i n Which h e d i s k i si n i t i a l l y g r o u n d W i t h s a n d p a p e r o r s i m i l a r m a t e r i a l W h i l eW a t e r i s s u p p l i e d o n t o i t a f t e r Which m i r r o r - p o l i s h i n g p r oc e s s u s i n g a b u f f W i t h a p o l i s h i n g a g e n t i s performed s i n t h ed r y p r o c e s s . The t h i r d t y p e i s a h y b r i d o f t h e s e tWo t y p e s ; ac o l l o i d a l h i g h - v i s c o s i t y p o l i s h i n g a g e n t i s d i l u t e d t o p r e p a r ea m i l k - l i k e l o W - v i s c o s it y l i q u i d , and a p o l i s h i ng p r o c e s su s i n g a b u f f i s p e r f o r m e d W i t h t h e l i q u i d c o n t i n u o u sl y s u pp l i e d o n t o t h e d i s k by p u m p o r s i m i l a r d e v i c e .

T h e ? r s t m e t h o d , i . e . d r y p o l i s h i n g , c a n b e p e r f o r me d b ys i m p l e - s t r u c t u r e d a p p a r a t u s e s , Which a r e o f f e r e d a t loWp r i c e s . H o W e v e r , t h i s p r o c e s s h a s a p r o b l e m i n t h a t t h e p o li s h i n g f u n c t i o n o f t h e b u f f a n d p o l i s h i n g a g e n t m a i n l y c o nt i n u e s o n l y d u r i n g t h e p e r i o d o f t i m e W h e r e t h e p o l i s h i n ga g e n t betWeen t h e b u f f and t h e d i s k i s i n a Wet s t a t e ; t h ep o l i s h i n g p o W e r r a p i d l y d e c r e a s e s i f t h e p o l i s h i n g a g e n tbecomes r y . T h e r e f o r e , i t s r e s t o r a t i o n c a p a b i l i t y i s l o W a n d al o n g r e s t o r a t i o n t i m e i s r e q u i r e d f o r a d e e p s c r a t c h . A n o t h e rproblem s t h a t a n o p e r a t o r n e e d s t o p e r f o r m t h e t i m e - c o ns u m i n g t a s k o f p r e v i o us l y a p p l y i n g t h e p o l i s h i n g a g e n t e v e r yt i m e t h e r e s t o r a t i o n i s i n i t i a t e d .

I n t h e s e c o n d m e t h o d , i . e . Wet p o l i s h i n g , t h e c o n t i n u o u ss u p p l y o f W a t e r o n t o t h e d i s k d u r i n g t h e p o l i s h i n g p r o c e s ss u p p r e s s e s h e a t g e n e r a t i o n a n d r e m o v e s s c r a p e d c h i p s .T h e r e f o r e , a p o W e r f u l g r i n d i n g p r o c e s s u s i n g s a n d p a p e r o rt h e l i k e canbe e r f o r m e d o a c h i e v e a h i g h l e v e l o f e s t o r a t i o nc a p a b i l i t y . H o W e v e r , p e r f o r m i n g t h e t W o p o l i s h i n g p r o c e s s e s ,i . e . t h e r o u g h p o l i s h i n g b y s a n d p a p e r o r t h e l i k e a n d t h e ? n i s hp o l i s h i n g by b u f f W i t h a p o l i s h i n g a g e n t , r e q u i r e s a n a p p ar a t u s h a v i n g a complex s t r u c t u r e , Which t e n d s t o be expens i ve.

I n t h e t h i r d p o l i s h i n g method n Which d i l u t e d p o l i s h i n ga g e n t i s c o n t i n u o u s l y s u p p l i e d , t h e r e s t o r a t i o n c a p a b i l i t y i sh i g h e r t h a n i n t h e c a s e o f t h e d r y - t y p e r e s t o r a t i o n a p p a r a t u sd u e t o t h e c o n t i n u o u s s u p p l y o f t h e p o l i s h i n g a g e n t o n t o t h ed i s k d u r i n g t h e r e s t o r a t i o n p e r i o d . H o W e v e r , t h e c o n t i n u o u ss u p p l y o f t h e mi l k - l i k e p o l i s h i n g a g e n t t e n d s t o c o n t a m i n a t et h e d i s k . T h e r e f o r e , i t i s n e c e s s a r y t o consume i m e and a b o rt o W a s h r c l e a n t h e r e s t o r e d d i s k .

The r e s e n t i n v e n t i o n h a s b e e n d e v e l o p e d i n v i e W o f t h e s ep r o b l e m s , a n d i t s o b j e c t i v e i s t o p r o v i d e a n o p t i c a l d i s k r e st o r a t i o n a p p a r a t u s a n d o p t i c a l d i s k r e s t o r a t i o n methodWhereby a h i g h l e v e l o f c a p a b i l i t y o f r e s t o r i n g a s c r a t c h e d


20/42

US 8 , 3 4 2 , 9 0 5 B23

o p t i c a l d i s k i s a c h i e v e d W i t h o u t c o n s u m i n g t i m e a n d l a b o r o fa n o p e r a t o r W h i l e r e d u c i n g t h e p r o d u c t i o n c o s t o f t h e a p p ar a t u s .

Means f o r S o l v i n g t h e P r o b l e m sAn o p t i c a l d i s k r e s t o r a t i o n a p p a r a t u s a c c o r d i n g t o t h e

p r e s e n t i n v e nt i o n a i m e d a t s o l v i n g t h e a f o r e m e n t i o n e d p r o bl e m s i s a d r y - t y p e o p t i c a l d i s k r e s t o r a t i o n a p p a r a t u s f o r p o li s h i n g a r e a d o u t s u r f a c e o f a n o p t i c a l d i s k t o b e r e s t o r e d , byr o t a t i n g a p o l i s h i n g p a d h o l d i n g a p o l i s h i n g a ge n t a n d t h eo p t i c a l d i s k r e l a t i v e t o each t h e r i n a c o n t a c t s t a t e , Which sc h a r a c t e r i z e d b y i n c l u d i n g :a ) a p o l i s h i n g a g e n t s u p p l y means o r s u p p l y i n g a p o l i s h i n ga g e n t t o t h e r e a d o u t s u r f a c e o f h e o p t i c a l d i s k o r t h e p o l i s h i n gP a d ;b a p o l i s h i n g W a t e r s u p p l y means f o r s u p p l y i n g a p o l i s hi n g W a t e r , o r p o l i s h - a s s i s t i n g W a t e r , t o t h e r e a d o u t s u r f a c e o ft h e o p t i c a l d i s k o r t h e p o l i s h i n g p a d ; a n d

e ) a s u p p l y c o n t r o l means f o r i n t e r mi t t e n t l y o p e r a t i n g t h ep o l i s h i n g a g e n t s u p p l y means o m a i n t a i n t h e amount f t h ep o l i s h i n g a g e n t h e l d i n t h e p o l i s h i n g p a d d u r i n g t h e p o l i s h i n gp r o c e s s , a n d f o r i n t e r m i t t e n t l y o p e r a t i n g t h e p o l i s h i n g W a t e rs u p p l y means o r e p l e n i s h t h e p o l i s h i n g a g e n t W i t h m o i s t u r ee v a p o r a t e d b y a p o l i s h i n g h e a t i . e . h e a t g en e r a t e d t h r o u g hp o l i s h i n g ) .

The o p t i c a l d i s k r e s t o r a t i o n a p p a r a t u s a c c o r d i n g t o t h ep r e s e n t i n v e n t i o n i s a d r y - t y p e r e s t o r a t i o n a p p a r a t u s f o r p o li s h i n g a d i s k by p o l i s h i n g a g e n t a n d a p o l i s h i n g pad eg ab u f f a n d y e t i n c l u d e s a p o l i s h i n g a g e n t s u p p l y means f o rs u p p l y i n g t h e p o l i s h i n g a g e n t t o t h e s u r f a c e t o b e p o l i s h e d a n da p o l i s h i n g W a t e r s u p p l y means o r s u p p l y i n g p o l i s h i n g W a t e ro r a c t u a l l y p o l i s h - a s s i s t i n g W a t e r ) t o t h e s u r f a c e b e i n g p o li s h e d . The s u p p l y c o n t r o l means i n t e r m i t t e n t l y o p e r a t e s t h ep o l i s h i n g a g e n t s u p p l y means t o s u p p l y a n a p p r o p r i a t eamount o f t h e p o l i s h i n g a g e nt t o t h e i n t e r f a c e betWeen t h ep o l i s h i n g p a d a n d h e o p t i c a l d i s k a t a p p r o p r i a t e p o i n t s i n t i m es o t h a t t h e p o l i s h i n g a g e n t a t t h e i n t e r f a c e W i l l remain f f e ct i v e f o r a l o n g p e r i o d o f t i m e . The s u p p l y c o n t r o l means l s oi n t e r m i t t e n t l y o p e r a t e s t h e p o l i s h i n g W a t e r s u p p l y means os u p p l y a n a p p r o p r i a t e amount o f t h e p o l i s h i n g W a t e r t o t h es u r f a c e b e i n g p o l i s h e d a t a p p r o p r i a t e p o i n t s i n t i m e s o a s t oc o o l t h e o p t i c a l d i s k , W h i c h g e n e r a t e s h e a t d u e t o t h e p o l i s hi n g , and o r e s t o r e t h e p o l i s h i n g p o W e r , Which e t e r i o r a t e s a st h e p o l i s h i n g a g e n t b e c o m e s d r y .An p t i c a l d i s k r e s t o r a t i o n method c c o r d i n g t o t h e p r e s e n ti n v e n t i o n aimed t s o l v i n g t h e a f o r e m e n t i o n e d p r o b l e m s i s a no p t i c a l d i s k r e s t o r a t i o n m e t h o d i n c l u d i n g a d r y p o l i s h i n gp r o c e s s f o r p o l i s h i n g a r e a d o u t s u r f a c e o f a n o p t i c a l d i s k byr o t a t i n g a p o l i s h i n g p a d h o l d i n g a p o l i s h i n g a ge n t a n d t h eo p t i c a l d i s k r e l a t i v e t o each t h e r i n a c o n t a c t s t a t e , Which sc h a r a c t e r i z e d i n t h a t t h e p o l i s h i n g p r o c e s s i n c l u d e s :

a ) a p o l i s h i n g a g e nt s u p p l y p r o c e s s f o r i n t e r m i t t e n t l y s u pp l y i n g t h e p o l i s h i n g a g e n t t o t h e r e a d o u t s u r f a c e o f h e o p t i c a ld i s k o r t h e p o l i s h i n g pad o m a i n t a i n t h e amount f t h e p o li s h i n g a g e n t h e l d i n t h e p o l i s h i n g p a d d u r i n g t h e p o l i s h i n gp r o c e s s ; and

b a p o l i s h i n g W a t e r s u p p l y p r o c e s s f o r i n t e r m i t t e n t l y s u pp l y i n g a p o l i s h i n g W a t e r t o t h e r e a d o u t s u r f a c e o f t h e o p t i c a ld i s k o r t h e p o l i s h i n g p a d o r e p l e n i s h t h e p o l i s h i n g a g e n t W i t hm o i s t u r e e v a p o r a t e d b y a p o l i s h i n g h e a t .

E f f e c t s o f t h e I n v e n t i o nT h e o p t i c a l d i s k r e s t o r a t i o n a p p a r a t u s a n d o p t i c a l d i s k

r e s t o r a t i o n m e t h o d a c c o r d i n g t o t h e p r e s e n t i n v e nt i o n a r e ad r y - t y p e a p p a r a t u s o r method o r r e s t o r i n g a n o p t i c a l d i s k b y

20

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4p e r f o r m i n g a p o l i s h i n g p r o c e s s u s i n g a p o l i s h i n g pad i t h ap o l i s h i n g a g e n t h e l d t h e r e i n , a n d y e t h a v e t h e means f o ri n t e r m i t t e n t l y s u p p l y i n g t h e p o l i s h i n g a g e n t t o t h e i n t e r f a c eb e t W e e n t h e p o l i s h i n g p a d a n d t h e o p t i c a l d i s k d u r i n g t h ep o l i s h i n g p r o c e s s a n d f o r i n t e r m i t t e n t l y r e p l e n i s h i n g t h e p o li s h i n g a g e n t W i t h m o i s t u r e e v a p o r a t e d b y t h e f r i c t i o n a l h e a t .By h i s m e c h a n i s m , t h e a m o u n t a n d p h y s i c a l p r o p e r t i e s o f h ep o l i s h i n g a g e n t a t t h e i n t e r f a c e b e t W e e n t h e p o l i s h i n g p a d a n dt h e o p t i c a l d i s k a r e a p p r o p r i a t e l y m a i n t a i n e d f o r a l o n g p e r i o do f i m e , s o t h a t i t s r e s t o r a t i o n c a p a b i l i t y i s h i g h e r t h a n t h a t o ft h e c o n v e nt i o n a l d r y - t y p e r e s t o r a t i o n a p p a r a t u s e s a n d metho d s .

C o n v e n t i o n a l d r y - t y p e r e s t o r a t i o n a p p a r a t u s e s d o n o t h a v eany means o r s u p p l y i n g a p o l i s h i n g a g e n t t o t h e d i s k s u r f a c ed u r i n g t h e p o l i s h i n g p r o c e s s . T h e r e f o r e , i t i s n e c e s s a r y t om a n u a l l y a p p l y a p o l i s h i n g a g e n t b e f o r e t h e r e s t o r a t i o n p r oc e s s i s i n i t i a t e d , W h i c h means h a t t h e p o l i s h i n g a g e n t can bea p p l i e d o n l y o n e t i m e f o r e a c h p o l i s h i n g p r o c e s s .

The p o l i s h i n g method u s i n g a b u f f a n d p o l i s h i n g a g e n tp r o v i d e s a n e x p e c t e d l e v e l o f o l i s h i n g poWer W h e n n a p p r op r i a t e a m o u n t o f p o l i s h i n g a g e n t W i t h a p p r o p r i a t e p h y s i c a lp r o p e r t i e s i s p r e s e n t b e t W e e n t h e b u f f a n d t h e d i s k . H o W e v e r ,t h i s m e t h o d s a c c o m p a n i e d b y h e a t g e n e r a t i o n , W h i c h m a k e st h e p o l i s h i n g a g e n t r a p i d l y d r y , t h e r e b y m a i n t a i n i n g t s a p p r op r i a t e p h y s i c a l p r o p e r t i e s o n l y f o r a s h o r t p e r i o d o f t i m e .T h e r e f o r e , f o r e x a m p l e , When t h e o p t i c a l d i s k s h o u l d b eg r o u n d b y l m i c r o m e t e r , t h e p r o c e s s o f p p l y i n g t h e p o l i s h i n ga g e n t a n d p e r f o r m i n g t h e p o l i s h i n g o p e r a t i o n m u s t b er e p e a t e d m u l t i p l e t i m e s , W h i c h c o n s u m e s t h e t i m e a n d l a b o ro f t h e o p e r a t o r .On h e o t h e r h a n d , t h e r e s t o r a t i o n a p p a r a t u s a c c o r d i n g t o

t h e p r e s e n t i n v e nt i o n h a s t h e p o l i s h i n g a g e n t s u p p l y meansf o r s u p p l y i n g a p o l i s h i n g a ge n t t o t h e d i s k s u r f a c e d u r i n g t h ep o l i s h i n g p r o c e s s , W h e r e b y t h e p o l i s h i n g a g e n t c a n b e s u pp l i e d m u l t i p l e t i m e s i n o n e p o l i s h i n g p r o c e s s . The p p a r a t u sa l s o h a s t h e p o l i s h i n g W a t e r s u p p l y means f o r s u p p l y i n g at r a c e amount f W a t e r t o t h e d i s k s u r f a c e d u r i n g t h e p o l i s h i n gp r o c e s s , W h e r e b y t h e p o l i s h i n g c a p a b i l i t y , W h i c h d e t e r i o r a t e sa s t h e p o l i s h i n g a g e n t d r i e s , c a n b e r e s t o r e d . A c c o r d i n g l y , t h ep o l i s h i n g poWer a n b e m a i n t a i n e d f o r a l o n g p e r i o d o f t i m e ,s o t h a t even deep s c r a t c h can be r e m o v e d Without e q u i r i n gmanual a s k s by a n o p e r a t o r .

The o p t i c a l d i s k r e s t o r a t i o n a p p a r a t u s a c c o r d i n g t o t h ep r e s e n t i n v e nt i o n r e s t o r e s a n o p t i c a l d i s k b y s i m p l y p o l i s h i n gi t W i t h a p o l i s h i n g pad and p o l i s h i n g a g e n t . Such an p p ar a t u s can be i m p l e r i n s t r u c t u r e and o W e r i n p r o d u c t i o n c o s tt h a n a W e t - t y p e r e s t o r a t i o n a p p a r a t u s . As compared t o t h es y s t e m u s i n g a d i l u t e d p o l i s h i n g a g e n t , Which a l s o h a s as i m p l e s t r u c t u r e , t h e p r e s e n t a p p a r a t u s i s a d v a n t a g e o u s i n t h a ti t h a r d l y c o n t a m i n a t e s o p t i c a l d i s k s a n d h e n c e d o e s n o tr e q u i r e t h e t r o u b l e s o m e t a s k o f W a s h i n g t h e r e s t o r e d d i s k .

BRIEF DESCRIPTION OF THE DR WINGSF I G . 1 i s a m o d e l diagram shoWing s c h e m a t i c s t r u c t u r e of

a n o p t i c a l d i s k r e s t o r a t i o n a p p a r a t u s a c c o r d i n g t o t h e p r e s e n ti n v e n t i o n .

F I G . 2 i s a s e c t i o n a l vieW o f a p o l i s h i n g p a d .F I G . 3 i s a p e r s p e c t i v e vieW shoWing t h e s t r u c t u r e of ap o l i s h i n g a g e n t s u p p l y p u m p .F I G . 4 i s a p l a n vieW f h e c o r e p a r t s o f h e p o l i s h i n g a g e n t

s u p p l y p u m p .F I G . 5 i s a p e r s p e c t i v e vieW o f a c o m m o n l y used t u b e

pu m p.F I G . 6 i s a mo del diagram i l l u s t r a t i n g an o p e r a t i o n o f a

b u i l t - i n t u b e p u m p i n a n o p t i c a l d i s k r e s t o r a t i o n a p p a r a t u s


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US 8 , 3 4 2 , 9 0 5 B25

a c c o r d i n g t o t h e p r e s e n t i n v e n t i o n , Where a ) s h o w s t h e nono p e r a t i n g s t a t e a n d b ) s h o W s t h e o p e r a t i n g s t a t e .

F I G . 7 i s a model diagram s h oW ing t h e s t r u c t u r e of ap o l i s h i n g W a t e r s u p p l y p u m p , W h e r e a ) i s a p e r s p e c t i v e v i e Wo f h e pump e c t i o n , h ) i s a s i d e v i e W i l l u s t r a t i n g t h e p r i n c i p l eo f t h e pump c ) i s a s e c t i o n a l vieW shoWing an example o f av a l v e , a n d d ) i s a n e x a m p l e o f a c o n ? g u r a t i o n i n c l u d i n g ap o l i s h i n g W a t e r t a n k , a p o l i s h i n g W a t e r s u p p l y pump and as p r a y h e a d .

F I G . 8 i s a diagram s h oW ing h e s t r u c t u r e of common y p eo f o p t i c a l d i s k , W h e r e a ) i s a p l a n v i e W a n d b ) i s a s e c t i o n a lvieW t t h e a r r o W e d l i n e X-X n a ) , e a c h vieW shoWing a CDo r DVD n h e r i g h t s i d e and a BD n h e l e f t s i d e .

F I G . 9 i s a n e n l a r g e d s e c t i o n a l vieW o f a s i n g l e - l a y e r BD.F I G . 1 0 i s a n e n l a r g e d vieW o f t h e p o r t i o n i n s i d e t h e c i r c l e

shoWn n F I G . 9 , W h e r e a ) s h o W s t h e p o r t i o n b e f o r e r e s t o r at i o n , W i t h a s c r a t c h t h e r e o n , a n d b ) s h o W s t h e p o r t i o n a f t e r i t ss u r f a c e i s removed by a r e s t o r a t i o n p r o c e s s .

BESTMODE FOR C RRYINGOUT THEINVENTION

F I G . 1 i s a p e r s p e c t i v e vieW shoWing h e i n t e r na l s t r u c t u r eo f a r e s t o r a t i o n a p p a r a t u s 1 0 a c c o r d i n g t o t h e p r e s e n t i n v e nt i o n . The e s t o r a t i o n a p p a r a t u s 1 0 i n c l u d e s a r e s t o r a t i o n t a b l e2 1 , o n W h ic h an o p t i c a l d i s k t o be r e s t o r e d can be e t , and amotor 3 f o r r o t a t i n g t h e r e s t o r a t i o n t a b l e 2 1 . Th e e s t o r a t i o nt a b l e 2 1 i s c i r c u m f e r e n t i a l l y s u r r o u n d e d b y p l a t e membersn o t s h o W n ) . The s p a c e a b o v e t h e r e s t o r a t i o n t ab l e 2 1 i s

c l o s e d by l i d 20 f a n n i n g a c e i l i n g t h a t i s f r e e t o o p e n . W h e nt h e p o l i s h i n g o f h e o p t i c a l d i s k 1 0 0 i s c o m p l e t e d , t h e l i d 2 0 i so p e n e d b y a l i d - o p e n i n g m e c h a n i s m 2 3 . V a r i o u s k i n d s o fmechanism a r e a v a i l a b l e f o r t h e l i d - o p e n i n g mechanism 2 3 .One example uses a m o t o r o r s i m i l a r d r i v e m e c h a n i s m f o ro p e n i n g t h e l i d 2 0 . A n o t h e r e x a m p l e i n c l u d e s a s p r i n g f o rp r e s s i n g t h e l i d 2 0 t o W a r d t h e o p e n e d p o s i t i o n , a hook f o rh o l d i n g t h e l i d 2 0 i n t h e c l o s e d p o s i t i o n , a n d a h o o k - r e l e a s emechanism o r r e l e a s i n g t h e h o o k o open h e l i d 2 0 . The i d2 0 h a s p o l i s h i n g pad o l d e r s 241 a t t a c h e d o n t s i n s i d e f a c e i na f r e e - t o - r o t a t e manner. I n t h e r e s t o r a t i o n p r o c e s s , t h e p o l i s hi n g p a d s 24a a n d 24b a t t a c h e d t o t h e l o W e r s i d e s o f t h ep o l i s h i n g p a d h o l d e r s 2 4 1 a r e p r e s s e d o n t o t h e o p t i c a l d i s k1 0 0 by a n a p p r o p r i a t e p r e s s u r e .

o l i s h i n g a g e n t t a n k 4 7 r e t a i n i n g a p o l i s h i n g a g e n t i sc o n n e c t e d v i a a p o l i s h i n g a g e n t s u p p l y pump 0 W h i c h W i l lb e d e s c r i b e d l a t e r ) t o t W o p o l i s h i n g a g e n t s u p p l y n o Z Z l e s 2 6 aa n d 2 6 b f o r s u p p l y i n g t h e p o l i s h i n g a g e n t o n t o t h e o p t i c a ld i s k 1 0 0 . S i m i l a r l y , a p o l i s h i n g W a t e r t a n k 3 7 r e t a i n i n g p o li s h i n g W a t e r i s c o n n e c t e d v i a a p o l i s h i n g W a t e r s u p p l y pump3 0 W h i c h W i l l a l s o b e d e t a i l e d l a t e r ) t o tWo p o l i s h i n g W a t e rs u p p l y n o Z Z l e s 2 7 a a n d 2 7 b f o r s u p p l y i n g t h e p o l i s h i n g W a t e ro n t o t h e o p t i c a l d i s k 1 0 0 .

T h e m o t o r 5 3 , p o l i s h i n g W a t e r s u p p l y pump 0 , l i d - o p e ni n g m e c h a n i s m 2 3 a n d o t h e r c o m p o n e n t s o p e r a t e a c c o r d i n gt o t h e i n s t r u c t i o n s f r o m a c o n t r o l l e r 2 2 .

A l t h o u g h t h e p o l i s h i n g p a d s 2 4 a a n d 2 4 b , p o l i s h i n g a g e n ts u p p l y n o Z Z l e s 2 6 a a n d 2 6 b a n d p o l i s h i n g W a t e r s u p p l yn o Z Z l e s 27a and 27b n t h e p r e s e n t embodiment r e a l l i d e nt i ? e d i n p a i r s , n e c e s s a r y c a p a b i l i t i e s c a n b e a c h i e v e d a s l o n ga s o n e or m o r e o f e ach o f hese c o m p o n e n t s a r e p r e s e n t .

As a method f o r p r e s s i n g t h e p o l i s h i n g p a d s 2 4 a a n d 24bo n t o t h e o p t i c a l d i s k 1 0 0 by a n a p p r o p r i a t e p r e s s u r e , i t i sp o s s i b l e t o p r o v i d e , a s s h o W n n F I G . 2 , a c o i l s p r i n g 29 i n ab e a r i n g 2 8 h o l d i n g t h e r o t a t i o n s h a f t o f t h e p o l i s h i ng p a dh o l d e r 241 t o p r e s s t h e p o l i s h i n g p a d s 24a and 24b on t h el o W e r s i d e o f t h e p o l i s h i n g p a d h o l d e r 2 4 1 o n t o t h e o p t i c a ld i s k 1 0 0 by a n a p p r o p r i a t e p r e s s u r e .

20

25

30

35

4 0

4 5

50

55

60

6 5

6There a r e o t h e r a l t e r n a t i v e s f o r t h i s t a s k . For e x a m p l e , a

p l u r a l i t y o f o i l s p r i n g s may e p r o v i d e d i n t h e p a d h o l d e r . ti s a l s o p o s s i b l e t o use a pad m a d e of sponge o r s i m i l a r mater i a l h a v i n g a p p r o p r i a t e e l a s t i c i t y a n d u t i l i Z e i t s e l a s t i c f o r c e .

I n t h e p r e s e n t e m b o d i m e n t , t h e p o l i s h i n g p a d s 2 4 a a n d 2 4 band t h e o p t i c a l d i s k 100 a r e r o t a t e d a s f o l l o W s : W h ile t h ep o l i s h i n g p a d s 2 4 a a n d 24b r e i n c o n t a c t W i t h t h e o p t i c a l d i s k1 0 0 W i t h a n a p p r o p r i a t e p r e s s u r e , t h e o p t i c a l d i s k 1 0 0 i sr o t a t e d b y t h e m o t o r 5 3 , W h i c h m a k e s t h e p o l i s h i n g p a d s 2 4 aa n d 2 4 b a n d t h e p o l i s h i n g p a d h o l d e r s 2 4 1 p a s s i v e l y r o t a t edue o t h e r o t a t i o n a l s t r e s s . Ho Wever h e r e a r e m a n y altemat i v e s f o r r o t a t i n g t h e p a d s . F o r e x a m p l e , i t i s p o s s i b l e t oa c t i v e l y r o t a t e t h e p o l i s h i n g p a d s 2 4 a a n d 2 4 b a n d t h e p o l i s hi n g p a d h o l d e r s 2 4 1 b y a m o t o r , p r o d u c i n g a p a s s i v e r o t a t i o no f t h e o p t i c a l d i s k 1 0 0 b y a s t r e s s . A c t i v e l y r o t a t i n g t h e p a r t so n b o t h s i d e s i s a l s o p o s s i b l e . Another p o s s i b i l i t y i s t oa c t i v e l y r o t a t e t h e p a r t s ) on n e s i d e W h i l e b r a k i n g t h e p a r t s )o n h e o t h e r s i d e .

n c t u a l r e s t o r a t i o n s e q u e n c e i s h e r e i n a f t e r d e s c r i b e d .I n t h e s t a n d - b y s t a t e o f t h e r e s t o r a t i o n a p p a r a t u s 1 0 , t h e l i d

2 0 i s W a i t i n g i n t h e open o s i t i o n , a s s h o W n by b r o k e n l i n ei n F I G . 1 .

I n t h i s s t a t e , an o p t i c a l d i s k 1 0 0 t o be r e s t o r e d , W i t h i t sr e a d o u t s u r f a c e d i r e c t e d u p W a r d s , i s s e t on t h e r e s t o r a t i o nt a b l e 2 1 , and t h e l i d 2 0 i s c l o s e d t o i n i t i a t e t h e r e s t o r a t i o np r o c e s s . At t h e b e g i n n i n g o f t h i s p r o c e s s , a c c o r d i n g t o a ni n s t r u c t i o n from t h e c o n t r o l l e r 2 2 , t h e motor 5 3 b e g i n s t or o t a t e a n d , s i m u l t a n e o u s l y , t h e p o l i s h i n g a g e n t s u p p l y pump4 0 i n i t i a t e s i t s o p e r a t i o n t o s u p p l y t h e p o l i s h i n g a g e n t , one ra f e W d r o p s a t a t i m e , from t h e tWo p o l i s h i n g a g e n t s u p p l yn o Z Z l e s 26a and 26b o n t o t h e t o p s u r f a c e o f t h e o p t i c a l d i s k1 0 0 a t p r e d e t e r m i n e d t i m i n g s . T h e p o l i s h i n g a g e n t p e n e t r a t e si n t o t h e i n t e r f a c e b e t W e e n t h e r o t a t i ng o p t i c a l d i s k 1 0 0 a n d t h ep o l i s h i n g p a d s 2 4 a a n d 2 4 b . T h u s , t h e p o l i s h i n g p r o c e s sb e g i n s .

The o l i s h i n g a c t i o n g e n e r a t e s a f r i c t i o n a l h e a t i n t h e o p t ic a l d i s k 1 0 0 a n d t h e p o l i s h i n g p a d s 2 4 a a n d 2 4 b . T h i s h e a tv a p o r i Z e s t h e m o i s t u r e i n t h e p o l i s h i n g a g e n t , c a u s i n g t h ep o l i s h i n g a g e n t t o d r y .

r i e d p o l i s h i n g a g e n t c a n n o l o n g e r g r i n d t h e o p t i c a l d i s k1 0 0 . T h e r e f o r e , a f t e r t h e l a p s e o f a n a p p r o p r i a t e p e r i o d o ft i m e , t h e c o n t r o l l e r 2 2 a c t i v a t e s t h e p o l i s h i n g W a t e r s u p p l ypump 30 o s u p p l y W a t e r p o l i s h i n g Wa t e r ) , one r a feW r o p sa t a t i m e , o n t o t h e t o p s u r f a c e o f t h e o p t i c a l d i s k 100 a tp r e d e t e r m i n e d t i m i n g s . S i m i l a r t o t h e p o l i s h i n g a g e n t , t h ep o l i s h i n g W a t e r d r o p p e d o n t o t h e t o p s u r f a c e o f t h e r o t a t i n go p t i c a l d i s k 1 0 0 p e n e t r a t e s i n t o t h e i n t e r f a c e b e t W e e n t h eo p t i c a l d i s k 1 0 0 a n d t h e p o l i s h i n g p a d s 2 4 a a n d 2 4 b . I n t h i sm a n n e r , t h e p o l i s h i n g a g e n t i s p r e v e n t e d f r o m d r y i n g a n d i t sg r i n d i n g c a p a b i l i t y i s m a i n t a i n e d f o r a l o n g p e r i o d o f t i m e .R e p l e n i s h i n g t h e p o l i s h i n g a g e n t a t a p p r o p r i a t e t i m i n g s a l s oh e l p s t h e s t r o n g g r i n d i n g c a p a b i l i t y t o c o n t i n u e f o r a l o n gp e r i o d o f t i m e .W h e n t h e r e s t o r a t i o n b y t h e g r i n d i n g p r o c e s s i s n e a r l yc o m p l e t e d , t h e c o n t r o l l e r 2 2 d i s c o n t i n u e s t h e s u p p l y o f t h ep o l i s h i n g a g e n t a n d p o l i s h i n g W a t e r , W h i l e m a i n t a i n i ng t h er o t a t i o n o f t h e o p t i c a l d i s k 1 0 0 by h e motor 5 3 . As a r e s u l t ,t h e W a t e r r e m a i n i n g o n t h e p o l i s h i n g p a d s 2 4 a n d t h e o p t i c a ld i s k 1 0 0 s v a p o r i Z e d b y t h e f r i c t i o n a l h e a t g e n e r a t e d b e t W e e nt h e p o l i s h i n g p a d s 2 4 and h e o p t i c a l d i s k 1 0 0 . T h i s c r e a t e s as t a t e W h e r e t h e o p t i c a l d i s k 1 0 0 i s r u b b e d W i t h d r y p o l i s h i n gp a d s 2 4 . C o n t i n u i n g t h i s s t a t e f o r a l o n g p e r i o d o f t i m e W i l lc a u s e t h e o p t i c a l d i s k 1 00 t o be melted o r deformed by t h eh e a t . T h e r e f o r e , t h i s s t a t e i s c o n t i n u e d f o r o n l y a n a p p r o p r ia t e l y s h o r t p e r i o d o f t i m e , d u r i n g W h i c h t h e p o l i s h i n g a g e n t


22/42

US 8 , 3 4 2 , 9 0 5 B27

and t h e r r e s i d u a l s on h e o p t i c a l d i s k 1 0 0 a r e Wiped f f by h ep o l i s h i n g p a d s 2 4 a a n d 2 4 b . T h u s , t h e t o p s u r f a c e o f t h eo p t i c a l d i s k 1 0 0 i s c l e a n e d .

A f t e r t h e r e s t o r a t i o n i s c o m p l e t e d , i f t h e l i d 2 0 i s o p e n e da f t e r t h e r o t a t i o n o f t h e motor 5 3 i s d i s c o n t i n u e d W i t h t h ep o l i s h i n g p a d s 2 4 a a n d 2 4 b s t i l l i n c o n t a c t W i t h t h e o p t i c a ld i s k 1 0 0 , t h e p o l i s h i n g p a d s 2 4 a a n d 24b e n d t o l e a v e f o o tp r i n t s on t h e o p t i c a l d i s k 1 0 0 . A c c o r d i n g l y , b e f o r e d e - e n e rg i z i n g t h e m o t o r 5 3 , t h e c o n t r o l l e r 2 2 s h o u l d p r e f e r a b l y o p e nt h e l i d 2 0 by t h e l i d - o p e n i n g mechanism 2 3 t o b r i n g t h ep o l i s h i n g p a d s 2 4 a a n d 24b o u t o f c o n t a c t W i t h t h e o p t i c a ld i s k 1 0 0 . T h i s o p e r a t i o n p r e v e n t s t h e p o l i s h i n g p a d s 2 4 f r o ml e a v i n g f o o t p r i n t s on h e r e a d o u t s u r f a c e o f t h e o p t i c a l d i s k1 0 0 .

T h e p o l i s h i n g a g e n t s u p p l y pump 4 0 f o r s u p p l y i n g t h ep o l i s h i n g a g e n t i s h e r e i n a f t e r d e s c r i b e d .

F I G . 3 i s a p e r s p e c t i v e v i e W s c h e m a t i c a l l y s h o W i n g t h ep o l i s h i n g a g e n t s u p p l y pump 0 . T h e h o u s i n g 4 1 i s s h a p e dl i k e a p a r t i a l l y o p e n e d r i n g h a v i n g a n i n n e r W a l l a l o n g W h i c ha tube 4 2 made f ?exible e s i n i s e xte nde d s a passage f o rt h e p o l i s h i n g a g e n t . L o c a t e d i n s i d e t h e h o u s i n g 4 1 i s a r o t o r44 i t h a c e n t r a l h o l e , t h r o u g h Which h e s h a f t 5 4 o f h e motor53 s i n s e r t e d . The o t o r 4 4 h a s a p l u r a l i t y of o l l e r s 4 3 a a n d43b i n i t s e d g e . These r o l l e r s 43a and 43b a r e a r r a n g e d t os q u e e z e t h e t u b e 4 2 a g a i n s t t h e i n n e r W a l l o f t h e h o u s i n g 4 1 .The o t o r 4 4 s l i n k e d t o t h e motor 53 v i a a s p e e d r e d u c e r 5 1 ,Which i l l b e d e s c r i b e d l a t e r . W h e n h e s p e e d r e d u c e r 5 1 i s i na p r e d e t e r m i n e d s t a t e t o b e d e s c r i b e d l a t e r ) , t h e r o t a t i o n o ft h e motor 5 3 p r o d u c e s a c o r r e s p o n d i n g r o t a t i o n o f t h e r o t o r4 4 .

F I G . 4 i s a p l a n v i e W o f t h e p o l i s h i n g a g e n t s u p p l y pump4 0 . W h e n h e r o t o r 4 4 r o t a t e s i n t h e d i r e c t i o n o f t h e a r r o W , t h es q u e e z e d p o i n t s o f t h e t u b e 4 2 m ove i n t h e same d i r e c t i o n ,p u s h i n g t h e c o n t e n t s i n s i d e t h e t u b e 42 i n t h e s a m e i r e c t i o n .T h i s i s a s o - c a l l e d t u b e pump Which p e r a t e s W i t h o u t b r i n gi n g i t s c o n t e n t s i . e . t h e t r a n s p o r t o b j e c t i v e ) i n t o c o n t a c t W i t ha v a l v e , p i s t o n o r o t h e r mechanical elements t h a t a r e a c c o mp a n i e d b y f r i c t i o n o r s l i d i n g a c t i o n. Such p u m p s s u i t a b l et o h a n d l e a p o l i s h i n g a g e n t o r s i m i l a r s u b s t a n c e t h a t m a yp o s s i b l y g r i n d a n y t h i n g c o m i n g i n c o n t a c t W i t h i t .

T h e p o l i s h i n g a g e n t s u p p l y pump 4 0 shoWn i n F I G . 1 ,Which s a t u b e p u m p f h e p r e s e n t e m b o d i m e n t , i s d r i v e n byt h e m o t o r 5 3 f o r t u r n i n g t h e o p t i c a l d i s k 1 0 0 W i t h a s p e e dr e d u c e r 5 1 f o r r e d u c i n g t h e s p e e d o f t h e r o t a r y m o t i o n o f t h emotor 3 . I t s pumping c t i o n can be u r n e d on and f f b y h ee l e c t r o m a g n e t i c s o l e n o i d 5 9 . A l t e r n a t i v e l y , a commonly s e dt u b e p u m p c o n s i s t i n g o f a motor 4 6 i n t e g r a t e d W i t h a s p e e dr e d u c e r 4 5 , a s sho W n n F I G . 5 , m a y be used s t h e p o l i s h i n ga g e n t s u p p l y pump. I n t h i s c o m m o n u b e pump h e pumpinga c t i o n i s t u r n e d on a n d o f f by a c t i v a t i n g o r d e a c t i v a t i n g t h emotor 4 6 s e p a r a t e from h e motor 5 3 f o r r o t a t i n g t h e o p t i c a ld i s k 1 0 0 .An p e r a t i o n o f h e s p e e d r e d u c e r 5 1 o f h e p o l i s h i n g a g e n ts u p p l y p u m p 4 0 o f t h e p r e s e n t embodiment i s h e r e i n a f t e rd e s c r i b e d W i t h r e f e r e n c e t o F I G S . 1 , 6 a ) a n d 6 b ) .

At h e c e n t e r o f t h e s p e e d r e d u c e r 5 1 , t h e r e i s t h e s h a f t 5 4o f t h e motor 3 . T h i s s h a f t 5 4 i s i n s e r t e d t h r o u g h an l l i p t i ct h r o u g h - h o l e 5 5 1 formed n a p l a t e - s h a p e d l e v e r 5 5 . n d l e rWheel 56 s a t t a c h e d t o t h e c e n t e r of h e upper s u r f a c e of h el e v e r 55 i n a f r e e - t o - r o t a t e manner. T h e p l u n g e r 60 o f t h ee l e c t r o m a g n e t i c s o l e n o i d 5 9 i s l i n k e d t o t h e end o f t h e l e v e r5 5 .

W h e n h e p l u n g e r 6 0 moves back and o r t h , t h e l e v e r 5 5makes r e c i p r o c a t i n g m o t i o n a r o u n d t h e p o i n t 5 5 1 1 , Which sd i s p l a c e d from t h e r o t a t i o n c e n t e r o f t h e s h a f t 5 4 , W i t h i n ar a n g e Where h e s h a f t 544 and h r o u g h - h o l e 5 5 1 do o t t o u c he a c h o t h e r on t h e i r s i d e s . A c c o r d i n g t o t h i s r e c i p r o c a t i n g

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8m o t i o n , t h e i d l e r 5 6 a n d t h e s h a f t 5 4 become e p a r a t e d F I G .6 a ) ) o r c o n n e c t e d F I G . 6 b ) ) .The r o t a t i o n s h a f t o f t h e i d l e r 5 6 p e n e t r a t e s t h r o u g h t h el e v e r 5 5 , W i t h a n x t e r n a l g e a r 57 connected o i t s loWer n d .The e x t e r n a l g e a r 57 i s s u r r o u n d e d by an i n t e r n a l g e a r 5 8 ,W h i c h t u r n s around a p o i n t t h a t c o i n c i d e s W i t h t h e r o t a t i o nc e n t e r o f t h e l e v e r 5 5 i . e . p o i n t 5 5 a ) . The n t e r n a l g e a r 5 8 i sp e r m a n e n t l y e n g a g e d W i t h t h e e x t e r n a l g e a r 5 7 . i s k 6 1h a v i n g a c e n t r a l o p e n i n g i s ?xed o t h e l o W e r s u r f a c e o f t h ei n t e r n a l g e a r 5 8 , a n d h e r o l l e r s 4 3 a and 4 3 b a r e a t t a c h e d t ot h e loWer s i d e of h e d i s k 6 1 i n a f r e e - t o - r o t a t e manner.

T o d r i v e t h e p o l i s h i n g a g e n t s u p p l y pump 0 , t h e c o n t r o l l e r2 2 e n e r g i z e s t h e s o l e n o i d 5 9 t o p u l l t h e p l u n g e r 6 0 b a c k W a r da n d r o t a t e t h e l e v e r 55 c o u n t e r c l o c k W i s e , a s sho W n i n FIG.6 b ) . As r e s u l t , t h e i d l e r 56 a n d h e s h a f t 54 c o m e n c o n t a c tW i t h e a c h o t h e r on h e i r s i d e s , t r a n s m i t t i n g t h e r o t a r y m o t i o nof h e s h a f t 5 4 o t h e i d l e r 5 6 . The x t e r n a l g e a r 5 7 i n k e d W i t ht h e i d l e r 5 6 r e c e i v e s t h e r o t a r y m o t i o n a n d e v e n t u a l l y r o t a t e st h e i n t e r n a l g e a r 5 8 .

I f t h e d i a m e t e r o f h e s h a f t 5 4 i s 1 0 m m h e d i a m e t e r o f h ei d l e r 5 6 s 40 m m h e n u m b e r f t e e t h of h e e x t e r n a l g e a r 57i s 1 5 and h e number f t e e t h o f t h e i n t e r n a l g e a r 58 s 6 0 , t h ei n t e r n a l g e a r 5 8 r o t a t e s a t a s p e e d of o n e - s i x t e e n t h of t h es p e e d o f t h e s h a f t 5 4 .

T h e o t a t i o n o f h e i n n e r g e a r 5 8 a u s e s t h e aforementionedr o l l e r s 43a and 43b f t h e t u b e pump s F I G S . 3 and ) t o t u r n ,s q u e e z i n g t h e t u b e 4 2 a g a i n s t t h e i n n e r W a l l o f h e h o u s i n g 4 1 .

I n t h i s m a n n e r , W h i l e t h e s o l e n o i d 5 9 i s e n e r g i z e d , t h ep o l i s h i n g a g e n t s u p p l y p u m p 40 f u n c t i o n s a s a t u b e p u m pu s i n g t h e motor s t h e d r i v i n g s o u r c e and e e d s t h e p o l i s h i n ga g e n t n t h e p o l i s h i n g a g e n t t a n k o t h e p o l i s h i n g a g e n t s u p p l yn o z z l e 2 6 . W h i l e t h e s o l e n o i d 5 9 i s n o t e n e r g i z e d , t h e p l u n g e r6 0 i s r e t u r n e d t o i t s o r i g i n a l p o s i t i o n i . e . t h e p o s i t i o n shoWni n F I G . 6 a ) ) b y t h e a c t i o n o f a s p r i n g n o t s h o W n ) , t o s e p a r a t et h e i d l e r 5 6 from t h e s h a f t 5 4 , W i t h t h e r o l l e r s 43a and 43bh a l t e d a t t h a t p o s i t i o n . T h u s , t h e p o l i s h i n g a g e n t s u p p l y pump4 0 d i s c o n t i n u e s i t s o p e r a t i o n .

I n t h e p r e s e n t i n v e n t i o n , t W o p o l i s h i n g p a d s 2 4 a a n d 2 4 ba r e u s e d . T o e q u a l l y s u p p l y t h e p o l i s h i n g a g e n t a n d p o l i s h i n gW a t e r t o b o t h p a d s , t h e t W o p o l i s h i n g a g e n t s u p p l y n o z z l e s2 6 a a n d 26b a r e s y m m e t r i c a l l y a r r a n g e d W i t h r e s p e c t t o t h ec e n t r l p o i n t o f t h e o p t i c l d i s k 1 0 0 . I n t h i s a r r a n g e m e n t , i t i sn o t p r e f e r a b l e t o u s e a s i n g l e t u b e 42 h a v i n g tWo b r a n c h e sW i t h t h e t W o p o l i s h i n g a g e n t s u p p l y n o z z l e s 2 6 a a n d 2 6 br e s p e c t i v e l y a t t a c h e d a t t h e i r t i p s , b e c a u s e t h e amount f t h ep o l i s h i n g a g e n t e x i t i n g f r o m e a c h n o z z l e becomes i ? i c u l t t oc o n t r o l , p a r t i c u l a r l y When h i g h - v i s c o s i t y p o l i s h i n g a g e n t i su s e d . F u r t h e r m o r e , When h e p u m p i n g o p e r a t i o n s d i s c o n t i nu e d , e v e n t h e s l i g h t e s t d i f f e r e n c e i n h e i g h t b e t W e e n t h e t i p s o ft h e n o z z l e s c a n a l l o W a i r t o i n t r u d e i n t o t h e h i g h e r n o z z l e ,c a u s i n g a l e a k a g e o f t h e p o l i s h i n g a g e n t f r o m t h e o t h e rn o z z l e .

I n t h e p o l i s h i n g a g e n t s u p p l y pump 4 0 o f F I G . 1 , t h e s ep r o b l e m s a r e s o l v e d by s i n g a s e p a r a t e t u b e 4 2 f o r e a c h o f h ep o l i s h i n g a g e n t s u p p l y n o z z l e s 2 6 a a n d 2 6 b a n d p a s s i n g t h etWo t u b e s t h r o u g h t h e g a p s b e t W e e n t h e h o u s i n g 4 1 a n d t h er o l l e r s 4 3 .W h e n h e p u m p i n g o p e r a t i o n s d i s c o n t i n u e d , t h e p o l i s h i n g

a g e n t r e m a i n i n g a t t h e t i p o f h e p o l i s h in g a g e n t s u p p l y n o z z l e26 m a y d r i p due t o v i b r a t i o n s o r o t h e r f a c t o r s . T h i s W i l le v e n t u a l l y p r o d u c e i n c o n v e n i e n t r e s u l t s , s u c h a s i n c o m p l e t eW i p i n g . T o a v o i d t h i s p r o b l e m , i t i s d e s i r a b l e t o p e r f o r m a s u c k back o p e r a t i o n a s i n t h e c a s e o f t h e p o l i s h i n g W a t e rs u p p l y pump 0 shoWn n F I G . 7 b ) W h i c h W i l l b e d e s c r i b e dl a t e r ) . T h a t i s , Wh en h e l e v e r 5 5 i s p u l l e d b y t h e s o l e n o i d 5 9t o a c t i v a t e t h e p o l i s h i n g a g e n t s u p p l y pump 4 0 , t h e s o l e n o i d59 s om e W h a t s q u e e z e s t h e t u b e 42 on t h e e x i t s i d e of t h e


23/42

US 8 , 3 4 2 , 9 0 5 B29

p o l i s h i n g a g e n t s u p p l y pump 4 0 ; t h e n , When h e s o l e n o i d 5 9i s r e t u r n e d t o i t s o r i g i n a l p o s i t i o n t o d i s c o n t i n u e t h e pumpingo p e r a t i o n , t h e t u b e i s r e l e a s e d f r o m t h e s q u e e z e d s t a t e . T h u s ,u n n e c e s s a r y d r o p p i n g s o f t h e p o l i s h i n g a g e n t c a n b e p r ev e n t e d . i m i l a r f u n c t i o n c a n a l s o b e r e a l i Z e d by o t a t i n g t h em o t o r 5 3 b a c k w a r d s W h i l e t h e p o l i s h i n g a g e n t s u p p l y pump40 s a c t i v e .The p o l i s h i n g W a t e r s u p p l y pump 3 0 i s h e r e i n a f t e rd e s c r i b e d W i t h r e f e r e n c e t o F I G . 7 . The o l i s h i n g W a t e r s u pp l y pump 3 0 i s a pump f o r r e p l e n i s h i n g t h e p o l i s h i n g a g e n tW i t h W a t e r , Which a p o r i Z e s due o t h e f r i c t i o n a l h e a t g e n e ra t e d b y t h e p o l i s h i n g p a d s 2 4 a a n d 2 4 b a n d t h e o p t i c a l d i s k1 0 0 . D i s c h a r g i n g a l a r g e amount o f W a t e r i s n o t r e q u i r e d ;r a t h e r , t h e c a p a b i l i t y t o s u p p l y a t r a c e of a t e r i n a s t a b l emanner s e s s e n t i a l . Another e q u i r e m e n t f o r t h e p u m p s t oh a v e a h i g h l e v e l o f d u r a b i l i t y t o o p e r a t e m u l t i p l e t i m e s f o re v e r y r e s t o r a t i o n p r o c e s s .

F I G . 7 a ) i s a p e r s p e c t i v e v i e W o f t h e p o l i s h i n g W a t e rs u p p l y p u m p 30 d e v i s e d t o f u l ? l l t h e a f o r e m e n t i o n e d c a p ab i l i t i e s . T h i s p u m p n c l u d e s a t u b e 3 2 With tWo a l v e s 31a and31b t b o t h e n d s f o r f e e d i n g t h e p o l i s h i n g W a t e r i n one s p ec i ? c d i r e c t i o n . As shoWn n F I G . 7 b ) , t h e p u m p s e n d s W a t e ri n t h e t u b e 3 2 i n o n e d i r e c t i o n b y q u e e Z i n g t h e t u b e 3 2 fromo n e s i d e by h e p u s h e r 3 3 a n d s u c t i o n s t h e p o l i s h i n g W a t e r b yd i s e n g a g i n g t h e p u s h e r 3 3 .

F I G . 7 c ) i s a s e c t i o n a l vieW shoWing t h e s t r u c t u r e o f t h ev a l v e s 3 1 a a n d 3 1 b . I n t h e p r e s e n t e x a m p l e , t h e v a l v e f u n c t i o ni s c r e a t e d b y a s p r i n g 35 and a b a l l 3 6 . V a r i o u s methods a r ea v a i l a b l e t o c r e a t e s i m i l a r f u n c t i o n s .

I n t h e e x a m p l e shoWn i n F I G . 7 a ) , a n e l e c t r o m a g n e t i cs o l e n o i d 3 4 i s u s e d t o d r i v e t h e p u s h e r 3 3 . A l t e r n a t i v e l y , ad r i v e me c h a n is m i n c l u d i n g a mo t or c o m b i n e d Wi th a camm a y be u s e d t o d r i v e t h e p u s h e r 3 3 .

F I G . 7 d ) s h o W s t h e p o l i s h i n g W a t e r b e i n g s u p p l i e d f r o mt h e p o l i s h i n g W a t e r t a n k 37 o n t o t h e o p t i c a l d i s k 1 0 0 v i a t h ep o l i s h i n g W a t e r s u p p l y pump 0 . As h o W n , t h i s s y s t e m h a s as p r a y head 3 8 a t t a c h e d t o t h e t i p o f t h e p o l i s h i n g W a t e r d i sc h a r g e p o r t t o e v e n l y s u p p l y t h e p o l i s h i n g W a t e r o v e r t h es u r f a c e o f t h e o p t i c a l d i s k . T h i s i s more r e f e r a b l e t h a n t h ee x a m p l e shoWn n F I G . 1 i n W h i c h t h e p o l i s h i n g W a t e r s u p p l yn o Z Z l e s 2 7 a and 27b f o r s u p p l y i n g t h e p o l i s h i n g W a t e r o n t ot h e o p t i c a l d i s k 100 a r e s h a p e d l i k e a t h i n t u b e .

Due o t h e use of h e s p r a y noZZle With s p r a y hea d 3 8 andt h e p o l i s h i n g W a t e r s u p p l y pump 0 u s i n g t h e t u b e 3 2 Whosei n t e r n a l p r e s s u r e c a n b e r a p i d l y i n c r e a s e d by h e e l e c t r o m a gn e t i c s o l e n o i d 3 4 , t h e p r e s s u r e i n s i d e t h e n o Z Z l e r i s e s t o h i g hl e v e l s d u r i n g t h e p o l i s h i n g W a t e r s u p p l y p r o c e s s , W h e r e b y a na p p r o x i m a t e l y e q u a l amount o f p o l i s h i n g W a t e r c a n b e s u pp l i e d f r o m t h e s p r a y n o Z Z l e . S i n c e t h e d i s c h a r g e p o r t o f t h es p r a y n o Z Z l e i s s m a l l , a s u r f a c e t e n s i o n can r e v e n t a i r fromi n t r u d i n g i n t o t h e s p r a y n o Z Z l e . T h u s , t h e u n n e c e s s a r y d r o pp i n g s o f t h e p o l i s h i n g W a t e r do n o t o c c u r W h e n h e p u m p sh a l t e d .

I t i s d e s i r a b l e t h a t t h e c o n t r o l l e r 22 e g u l a t e s t h e amount ri n t e r v a l o f d i s c h a r g i n g t h e p o l i s h i n g a g e n t o r p o l i s h i n g W a t e ra c c o r d i n g t o a n o p e r a t i o n a l h i s t o r y o f h e a p p a r a t u s a n d / r t h et e m p e r a t u r e o r h u m i d i t y i n s i d e o r around h e a p p a r a t u s .

F o r e x a m p l e , i t i s p o s s i b l e t o r e c o r d t h e o p e r a t i o n a l h i s t o r yof h e a p p a r a t u s i n a m e m o r y o r s i m i l a r d e v i c e i n s i d e t h ec o n t r o l l e r 2 2 a n d c o n t r o l t h e s u p p l y o f h e p o l i s h i n g a g e n t a n dt h e p o l i s h i n g W a t e r s o t h a t t h e l i q u i d i s s u p p l i e d b y a l a r g e rq u a n t i t y When h e ? r s t r o u n d o f p o l i s h i n g o p e r a t i o n s o f t h ed a y i s i n i t i a t e d , a n d t h e n , i n t h e s e c o n d a n d s u b s e q u e n tr o u n d s , t h e q u a n t i t y i s c o n t r o l l e d a c c o r d i n g t o t h e number fp r e v i o u s p o l i s h i n g o p e r a t i o n s , t h e l p s e t i m e f r o m t h e l a s to p e r a t i o n a n d o t h e r i n f o r m a t i o n .

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1 0I t i s a l s o p o s s i b l e t o measure h e t e m p e r a t u r e o r h u m i d i t y

i n s i d e o r around h e a p p a r a t u s b y temperature e n s o r 2 2 1 1 o rh u m i d i t y s e n s o r 2 2 b a n d c o n t r o l t h e s u p p l y o f t h e p o l i s h i n ga g e n t a n d t h e p o l i s h i n g W a t e r a c c o r d i n g t o t h e m e a s u r e dv a l u e s o a s t o s u p p l y t h e l i q u i d by l a r g e r q u a n t i t y u n d e r t h ec o n d i t i o n s Where t h e p o l i s h i n g a g e n t e a s i l y d r i e s o r by as m a l l e r q u a n t i t y u n d e r t h e c o n d i t i o n s W h e r e t h e p o l i s h i n ga g e n t h a r d l y d r i e s .By t h e s e o p e r a t i o n s , t h e p o l i s h i n g a g e n t a n d p o l i s h i n gW a t e r c a n b e s u p p l i e d by n a p p r o p r i a t e q u a n t i t y a c c o r d i n g t ot h e c o n d i t i o n s u n d e r W h i c h t h e p o l i s h i n g o p e r a t i o n i s p e rf o r m e d .

T h e t i m e r e q u i r e d f o r r e m o v i n g s c r a t c h e s f r o m t h e o p t i c a ld i s k 1 0 0 d e p e n d s on h e d e p t h o f h e s c r a t c h e s , t h e t y p e o f h ep o l i s h i n g a g e n t a n d o t h e r f a c t o r s . A c c o r d i n g l y , t h e o p t i c a ld i s k r e s t o r a t i o n a p p a r a t u s 1 0 s h o u l d p r e f e r a b l y h a v e t h e f u n ct i o n o f a l l o W i n g a n o p e r a t o r t o s p e c i f y t h e r e s t o r a t i o n t i m ea c c o r d i n g t o t h e s t a t e o f h e s c r a t c h e s and t h e r c o n d i t i o n s . A so n e p r e f e r a b l e e x a m p l e , t h i s f u n c t i o n may e i m p l e m e n t e d nsuch a ma n n e r t h a t , When an o p e r a t o r s e l e c t s on e of t h er e s t o r a t i o n t i m e s Which r e p r e d e t e r m i n e d i n s t a g e s , t h e cont r o l l e r 2 2 c o n t r o l s t h e q u a n t i t y o r i n t e r v a l o f d i s c h a r g i n g t h ep o l i s h i n g a g e n t a n d t h e p o l i s h i n g W a t e r a c c o r d i n g t o t h es e l e c t e d r e s t o r a t i o n t i m e . T h e q u a n t i t y o f t h e p o l i s h i n g a g e n tt o b e s u p p l i e d d u r i n g t h e p o l i s h i n g p r o c e s s n e e d s o n l y t o b ec o m p a r a b l e t o t h e q u a n t i t y n e c e s s a r y t o m a i n t a i n t h e amounto f t h e p o l i s h i n g a g e n t h e l d i n t h e p o l i s h i n g p a d 2 4 . Theq u a n t i t y o f t h e p o l i s h i n g W a t e r t o b e s u p p l i e d d u r i n g t h ep o l i s h i n g p r o c e s s n e e d s o n l y t o b e c o m p a r a b l e t o t h e q u a n t i t yW h e r e b y t h e p o l i s h i n g a g e n t c a n b e r e p l e n i s h e d W i t h t h eW a t e r c o n t e n t e v a p o r a t e d due o t h e p o l i s h i n g h e a t .

F o r e x a m p l e , t h e a p p a r a t u s m a y h a v e t h r e e r e s t o r a t i o nm o d e s , o n e - m i n u t e m o d e , t W o - m i n u t e mode n d t h r e em i n u t e m o d e , W h i c h r e s p e c t i v e l y r e q u i r e o n e , t W o a n d t h r e em i n u t e s f o r r e s t o r a t i o n . I n t h e o n e - m i n u t e mode, a p e r i o d o f4 0 s e c o n d s f r o m t h e b e g i n n i n g o f t h e r e s t o r a t i o n i s a s s i g n e dt o t h e p o l i s h i n g p r o c e s s , f o l l o W e d by d r y - r u b b i n g p r o c e s s o f2 0 s e c o n d s . The p o l i s h i n g a g e n t m a y b e d i s c h a r g e d a t t h eb e g i n n i n g o f h e r e s t o r a t i o n a n d t 20 e c o n d s from h e b e g i nn i n g by . 1 g e a c h t i m e , o r a t i n t e r v a l s o f 1 0 s e c o n d s by . 0 5g e a c h t i m e . The o l i s h i n g W a t e r s f o r e x a m p l e , d i s c h a r g e db y 0 . 0 4 g e a c h t i m e a t i n t e r v a l s o f a p p r o x i m a t e l y ?ve s e co n d s . I t i s p o s s i b l e t o o m i t t h e s u p p l y o f h e p o l i s h i n g W a t e r tt h e b e g i n n i n g o f t h e r e s t o r a t i o n a n d i n i t i a t e t h e s u p p l y a ta p p r o x i m a t e l y ? v e m i n u t e s f r o m t h e b e g i n n i n g o f t h e r e s t or a t i o n .

Of o u r s e , t h i s i s a mere x a m p l e . The u a n t i t y o f h e l i q u i dt o be i s c h a r g e d o n e t i m e m a y be n c r e a s e d W h i l e e l o n g a t i n gt h e d i s c h a r g i n g i n t e r v a l , o r c o n v e r s e l y , t h e q u a n t i t y m a y b ed e c r e a s e d W h i l e s h o r t e n i n g t h e d i s c h a r g i n g i n t e r v a l . The o t a lamount o f t h e l i q u i d t o be d i s c h a r g e d m a y b e i n c r e a s e d o rd e c r e a s e d . The d i s c h a r g i n g q u a n t i t y a n d / o r i n t e r v a l m a y b ev a r i e d a c c o r d i n g t o t h e o p e r a t i o n a l h i s t o r y o f t h e a p p a r a t u s ,t h e t e m p e r a t u r e , h u m i d i t y a n d o t h e r f a c t o r s . The i s c h a r g i n gq u a n t i t y p e r one i m e a n d / r t h e d i s c h a r g i n g i n t e r v a l m a y bec h a n g e d a c c o r d i n g t o t h e r e s t o r a t i o n m o d e . The r e s t o r a t i o nt i m e m a y e c h a n g e d c o n t i n u o u s l y r a t h e r t h a n d i s c r e t e l y . T h ed i s c h a r g i n g o p e r a t i o n d o e s n o t n e e d t o b e p e r i o d i c a l b u tn e e d s o n l y t o b e i n t e r m i t t e n t .

T he 0 - s e c o n d p e r i o d f o r t h e d r y - r u b b i n g p r o c e s s i s a l s o amere x a m p l e . I t m a y e s h o r t e n e d e . g . t o 1 0 s e c o n d s ) W h e nt h e a i r i s d r y , o r e l o n g a t e d e g t o 3 0 s e c o n d s ) When t h ep o l i s h i n g p a d s 24 a r e c o n s i d e r a b l y Wet a s i n t h e c a s e of h et h r e e - m i n u t e m o d e r i n t h e c a s e Where h e r e s t o r a t i o n operat i o n h a s b e e n a l r e a d y p e r f o r m e d many i m e s .

As e s c r i b e d t o t h i s p o i n t , t h e o p t i c a l d i s k r e s t o r a t i o n a p p ar a t u s 1 0 a c c o r d i n g t o t h e p r e s e n t i n v e n t i o n r e q u i r e s a u s e r t o


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s i m p l y p l a c e a n o p t i c a l d i s k 1 0 0 on h e r e s t o r a t i o n t a b l e 2 1a n d c l o s e t h e l i d 2 0 , a f t e r Which h e r e s t o r a t i o n o f t h e o p t i c a ld i s k 1 0 0 i s i n i t i a t e d . W h e n h e r e s t o r a t i o n i s c o m p l e t e d , t h eo p t i c a l d i s k i s c l e a n l y p o l i s h e d .

S p e c i ? c a l l y , i n t h e ? n a l s t a g e o f t h e r e s t o r a t i o n , t h e c o nt r o l l e r 2 2 c o n t r o l s t h e o n / o f f o p e r a t i o n o f t h e m o t o r 5 3 , p o li s h i n g a g e n t s u p p l y pump 4 0 a n d p o l i s h i n g W a t e r s u p p l ypump 3 0 t o r o t a t e t h e p o l i s h i n g p a d 2 4 a n d t h e o p t i c a l d i s k1 0 0 W i t h o u t s u p p l y i n g t h e p o l i s h i n g W a t e r a n d t h e p o l i s h i n ga g e n t . I n h i s p r o c e s s , t h e d i s k s u r f a c e i s d r i e d by h e f r i c t i o n a lh e a t g e n e r a t e d b e t W e e n t h e p o l i s h i n g p a d s 2 4 a n d t h e o p t i c a ld i s k 1 0 0 , a n d t h e o p t i c a l d i s k 1 0 0 i s r u b b e d W i t h t h e p o l i s h i n gp a d s 2 4 . I n t h i s m a n n e r , t h e r e s t o r e d o p t i c a l d i s k 1 0 0 c a n bec l e a n e d W i t h o u t consuming t h e t i m e and l a b o r o f t h e u s e r .T h u s , t h e W o r k i n g e ? i c i e n c y i s e x t r e m e l y e n h a n c e d .

The p r e s e n t a p p a r a t u s i s a d r y - t y p e r e s t o r a t i o n a p p a r a t u sf o r p e r f o r m i n g a p o l i s h i n g p r o c e s s u s i n g t h e p o l i s h i n g p a d s2 4 W i t h a p o l i s h i n g a g e n t h e l d t h e r e i n , a n d y e t h a s t h e p o li s h i n g a g e n t s u p p l y pump 0 f o r i n t e r m i t t e n t l y s u p p l y i n g t h ep o l i s h i n g a g e n t t o t h e i n t e r f a c e b e t W e e n t h e p o l i s h i n g p a d s 2 4a n d t h e o p t i c a l d i s k 1 0 0 d u r i n g t h e p o l i s h i n g p r o c e s s a s W e l la s t h e p o l i s h i n g W a t e r s u p p l y pump 3 0 f o r i n t e r m i t t e n t l yr e p l e n i s h i n g t h e p o l i s h i n g a g e n t W i t h m o i s t u r e e v a p o r at e d b yf r i c t i o n a l h e a t . By h i s m e c h a n i s m , t h e a m o u n t a n d p h y s i c a lp r o p e r t i e s o f t h e p o l i s h i n g a g e n t a t t h e i n t e r f a c e b e t W e e n t h ep o l i s h i n g p a d s 2 4 a n d t h e o p t i c a l d i s k 1 0 0 a r e a p p r o p r i a t e l ym a i n t a i n e d f o r a l o n g p e r i o d o f t i m e , s o t h a t t h e r e s t o r a t i o nc a p a b i l i t y i s h i g h e r t h a n t h a t o f c o n v e n t i o n a l d r y - t y p e r e s t or a t i o n a p p a r a t u s e s .

Such a h i g h l e v e l o f r e s t o r a t i o n c a p a b i l i t y can a l s o bea c h i e v e d b y u s i n g o n l y t h e p o l i s h i n g a g e n t s u p p l y pump 4 0W i t h o u t t h e h e l p o f t h e p o l i s h i n g W a t e r s u p p l y 3 0 , i n W h i c hc a s e , h o W e v e r , t h e r e s t o r a t i o n c o s t W i l l b e v e r y h i g h b e c a u s et h e e x p e n s i v e p o l i s h i n g a g e n t i s u s e d i n l a r g e q u a n t i t y . F u rt h e r m o r e , u s i n g a l a r g e a m o u n t o f p o l i s h i n g a g e n t r a p i d l yc o n t a m i n a t e s t h e p o l i s h i n g p a d s 2 4 a a n d 2 4 b , s o t h a t t h ep o l i s h i n g p a d s 2 4 a a n d 2 4 b m u s t b e f r e q u e n t l y r e p l a c e d .T h e s e p r o b l e m s c a n b e s o l v e d b y u s i n g t h e p o l i s h i n g W a t e rs u p p l y p u m p 3 0 a s i n t h e r e s t o r a t i o n a p p a r a t u s 1 0 a c c o r d i n gt o t h e p r e s e n t i n v e n t i o n .

The p r e s e n t i n v e n t i o n i s n o t l i m i t e d t o t h e p r e v i o u s l yd e s c r i b e d e m b o d i m e n t , Which a n b e a p p r o p r i a t e l y modi?edW i t h i n t h e s p i r i t o f t h e p r e s e n t i n v e n t i o n . F o r e x a m p l e , t h ep o l i s h i n g a g e n t a n d p o l i s h i n g W a t e r m a y b e s u p p l i e d t o t h ep o l i s h i n g p a d s i n s t e a d o f t h e r e a d o u t s u r f a c e o f t h e o p t i c a ld i s k . The p o l i s h i n g W a t e r d o e s n o t a l W a y s need o c o n s i s t o fW a t e r o n l y ; f o r e x a m p l e , i t m a y e W a t e r c o n t a i n i n g a t r a c e o fa s u r f a c e a c t i v e a g e n t , or a mixture of Water a nd alcohol ors i m i l a r v o l a t i l e l i q u i d h a v i n g a s u r f a c e - a c t i v a t i n g e f f e c t .

EXPLANATION OF NUMERALS10 Restoration Apparatus2 Lid21 Restoration Table22 Controller22a Temperature Sensor22b Humidity Sensor23 Lid-Opening Mechanism24a 24b P o l i s h i n g Pad241 Polishing Pad Holder26a 2 6 b Polishing Agen t Suppl y NoZZle27a 27b Poli sh i n g W a t e r S u p p l y NoZZle28 Bearing30 Poli sh i n g Water S u p p l y Pump31a 31b .Valve32 ube

20

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35

40

45

50

55

60

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1 233 Pusher34 59 Electromagnetic Solenoid37 Polishing Water Tank38 Spray Head40 Polishing Agen t Suppl y Pump41 Housing

42 ube43a 43b Roller44 Rotor45 51 Speed Reducer46 53 Motor47 P o l i s h i n g Agent Tank54 Shaft55 Lever56 Idler57 External Gear58 Internal Gear6 Plunger61 Disk100 Optical Disk12 Substrate

130 InformationRecord Layer140 Cover ayer150 Hard Coat Layer16 Scratch

The i n v e n t i o n c l a i m e d i s :1 . A r y - t y p e o p t i c a l d i s k r e s t o r a t i o n a p p a r a t u s f o r p o l i s h

i n g a r e a d o u t s u r f a c e o f a n o p t i c a l d i s k t o b e r e s t o r e d , byr o t a t i n g a p o l i s h i n g p a d h o l d i n g a p o l i s h i n g a g e n t a n d t h eo p t i c a l d i s k r e l a t i v e t o e a c h o t h e r i n a c o n t a c t s t a t e , c o m p r i si n g :a a p o l i s h i n g a g e n t s u p p l y means o r s u p p l y i n g a p o l i s h i n g

a g e n t t o t h e r e a d o u t s u r f a c e o f t h e o p t i c a l d i s k o r t h ep o l i s h i n g p a d ;b a p o l i s h i n g W a t e r s u p p l y means f o r s u p p l y i n g a p o l i s h

i n g W a t e r t o t h e r e a d o u t s u r f a c e o f t h e o p t i c a l d i s k o r t h ep o l i s h i n g p a d ; a n dc a s u p p l y c o n t r o l means f o r i n t e r m i t t e n t l y o p e r a t i n g t h ep o l i s h i n g a g e n t s u p p l y means o m a i n t a i n an amount oft h e p o l i sh i n g a g e n t h e l d i n t h e p o l i s h i n g p a d d u r i n g ap o l i s h i n g p r o c e s s , a n d f o r i n t e r m i t t e n t l y o p e r a t i n g t h ep o l i s h i n g W a t e r s u p p l y means o r e p l e n i s h t h e p o l i s h i n ga g e n t W i t h m o i s t u r e e v a p o r a t e d b y a p o l i s h i n g h e a t .

2 . The p t i c a l d i s k r e s t o r a t i o n a p p a r a t u s a c c o r d i n g t o c l a i m1 , f u r t h e r c o m p r i s i n g :a a l i d on an i n s i d e f a c e o f Which a p o l i s h i n g pad o l d e r

h o l d i n g t h e p o l i s h i n g p a d s a t t a c h e d ;b a l i d - o p e n i n g mechanism o r o p e n i n g t h e l i d ; a n dc a l i d - o p e n i n g c o n t r o l means f o r a c t i v a t i n g t h e l i d - o p e n

i n g mechanism f t e r a p o l i s h i n g p r o c e s s o f t h e o p t i c a ld i s k i s c o m p l e t e d .

3 . The p t i c a l d i s k r e s t o r a t i o n a p p a r a t u s a c c o r d i n g t o c l a i m2 , W h e r e i n t h e l i d - o p e n i n g c o n t r o l means a c t i v a t e s t h e l i do p e n i n g mechanism b e f o r e a r o t a t i o n o f t h e o p t i c a l d i s k i sd i s c o n t i n u e d .

4 . The p t i c a l d i s k r e s t o r a t i o n a p p a r a t u s a c c o r d i n g t o c l a i m1 , W h e r e i n t h e p o l i s h i n g a g e n t s u p p l y means i n c l u d e s :a a p l u r a l i t y o f p o l i s h i n g a g e n t s u p p l y n o Z Z l e s e a c h s e r v

i n g a s a d i s c h a r g e p o r t o f t h e p o l i s h i n g a g e n t ; a n db a p o l i s h i n g a g e n t s u p p l y pump o r s u p p l y i n g t h e p o l i s hi n g a g e n t t o e a c h o f t h e p o l i s h i n g a g e n t s u p p l y n o Z Z l e st h r o u g h p a s s a g e s i n d i v i d u a l l y p r o v i d e d f o r e a c h p o l i s hi n g a g e n t s u p p l y n o Z Z l e .

5 . The p t i c a l d i s k r e s t o r a t i o n a p p a r a t u s a c c o r d i n g t o c l a i m4 , W h e r e i n t h e p o l i s h i n g a g e n t s u p p l y means a s a s u c k b a c k


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f u n c t i o n i n Which a s q u e e z i n g o f a t u b e f o r s u p p l y i n g t h ep o l i s h i n g a g e n t s r e l e a s e d f o r p r e v e n t i n g u n n e c e s s a r y d r o pp i n g s o f h e p o l i s h i n g a g e n t .

6 . The p t i c a l d i s k r e s t o r a t i o n a p p a r a t u s a c c o r d i n g t o c l a i m1 , f u r t h e r c o m p r i s i n g a r o t a t i o n d i s c o n t i n u a t i o n c o n t r o lmeans f o r c o n t r o l l i n g a t i m i n g o f d i s c o n t i n u i n g a r o t a t i o n o ft h e o p t i c a l d i s k a n d t h e p o l i s h i n g p a d , W h e r e i n :

a t h e s u p p l y c o n t r o l means d i s c o n t i n u e s a s u p p l y o f t h ep o l i s h i n g a g e n t a n d t h e p o l i s h i n g W a t e r When p o l i s hi n g p r o c e s s o f t h e o p t i c a l d i s k i s c o m p l e t e d ; a n db When p r e d e t e r m i n e d p e r i o d o f t i m e h a s e l a p s e d a f t e rt h e s u p p l y o f t h e p o l i s h i n g a g e n t a n d t h e p o l i s h i n g W a t e rh a s b e e n d i s c o n t i n u e d b y t h e s u p p l y c o n t r o l m e a n s , t h er o t a t i o n d i s c o n t i n u a t i o n c o n t r o l means i s c o n t i n u e s t h er o t a t i o n o f t h e o p t i c a l d i s k and h e p o l i s h i n g pad o a s t od r y t h e p o l i s h i n g a g e n t a t a n i n t e r f a c e b e t W e e n t h e o p t ic a l d i s k a n d t h e p o l i s h i n g p a d b y a p o l i s h i n g h e a t a n dp e r f o r m d r y - r u b b i n g o f t h e o p t i c a l d i s k W i t h t h e p o l i s hi n g p a d .

7 . The p t i c a l d i s k r e s t o r a t i o n a p p a r a t u s a c c o r d i n g t o c l a i m1 , W h e r e i n t h e p o l i s h i n g W a t e r s u p p l y means i n c l u d e s :

a a ? e x i b l e t u b e p r o v i d e d W i t h a v a l v e a t each of Wo e n d st h e r e o f , t h e v a l v e b e i n g d e s i g n e d t o a l l o W t h e p o l i s h i n gW a t e r t o How n a p r e d e t e r m i n e d d i r e c t i o n ;

b a p u s h e r l o c a t e d on s i d e o f t h e t u b e ; andc a d r i v e mechanism o r o p e r a t i n g t h e p u s h e r s o a s t o f e e d

t h e p o l i s h i n g W a t e r i n s i d e t h e t u b e i n t h e p r e d e t e r m i n e dd i r e c t i o n b y s q u e e z i n g t u b e f r o m a s i d e W i t h t h e p u s h e r .

8 . The p t i c a l d i s k r e s t o r a t i o n a p p a r a t u s a c c o r d i n g t o c l a i m1 , W h e r e i n t h e s u p p l y c o n t r o l means i n c l u d e s a d i s c h a r g ec o n d i t i o n r e g u l a t i n g means o r r e g u l a t i n g t h e amount r i n t e rv a l o f d i s c h a r g i n g t h e p o l i s h i n g a g e n t o r t h e p o l i s h i n g W a t e r .

9 . The p t i c a l d i s k r e s t o r a t i o n a p p a r a t u s a c c o r d i n g t o c l a i m8 , W h e r e i n :

20

25

30

1 4a r e c o r d means f o r r e c o r d i n g an o p e r a t i o n a l h i s t o r y o f t h e

a p p a r a t u s s p r o v i d e d ; a n dt h e d i s c h a r g e c o n d i t i o n r e g u l a t i n g means r e g u l a t e s t h e

amount r i n t e r v a l o f d i s c h a r g i n g t h e p o l i s h i n g a g e n t o rt h e p o l i s h i n g W a t e r a c c o r d i n g t o t h e o p e r a t i o n a l h i s t o r yrecorded i n t h e r e c o r d means1 0 . The o p t i c a l d i s k r e s t o r a t i o n a p p a r a t u s a c c o r d i n g t o

c l a i m 8 , f u r t h e r c o m p r i s i n g :a m e a s u r e m e n t m e a ns f o r measuri ng a temperature orh u m i d i t y s p r o v i d e d , W h e r e i n

t h e d i s c h a r g e c o n d i t i o n r e g u l a t i n g means r e g u l a t e s t h eamount r i n t e r v a l o f d i s c h a r g i n g t h e p o l i s h i n g a g e n t o rt h e p o l i s h i n g W a t e r a c c o r d i n g t o a measured a l u e o f t h emeasurement means.

1 1 . An o p t i c a l d i s k r e s t o r a t i o n method i n c l u d i n g a d r yp o l i s h i n g p r o c e s s f o r p o l i s h i n g a r e a d o u t s u r f a c e o f a n o p t i c a ld i s k b y r o t a t i n g a p o l i s h i n g p a d h o l d i n g a p o l i s h i n g a g e n t a n dt h e o p t i c a l d i s k r e l a t i v e t o each o t h e r i n a c o n t a c t s t a t e ,W h e r e i n t h e p o l i s h i n g p r o c e s s i n c l u d e s :a a p o l i s h i n g a g e n t s u p p l y p r o c e s s f o r i n t e r m i t t e n t l y s u p

p l y i n g t h e p o l i s h i n g a g e n t t o t h e r e a d o u t s u r f a c e o f t h eo p t i c a l d i s k o r t h e p o l i s h i n g pad o m a i n t a i n an amounto f t h e p o l i s h i n g a g e n t h e l d i n t h e p o l i s h i n g p a d d u r i n gt h e p o l i s h i n g p r o c e s s ; a n d

b a p o l i s h i n g W a t e r s u p p l y p r o c e s s f o r i n t e r m i t t e n t l y s u pp l y i n g a p o l i s h i n g W a t e r t o t h e r e a d o u t s u r f a c e o f t h eo p t i c a l d i s k o r t h e p o l i s h i n g p a d t o r e p l e n i s h t h e p o l i s hi n g a g e n t W i t h m o i s t u r e e v a p o r a t e d b y a p o l i s h i n g h e a t .1 2 . The o p t i c a l d i s k r e s t o r a t i o n a p p a r a t us a c c o r d i n g t o

c l a i m 4 , W h e r e i n t h e p o l i s h i n g a g e n t s u p p l y means a s a s u c kb a c k f u n c t i o n i n Which motor f t h e p o l i s h i n g a g e n t s u p p l ypump r o t a t e s b a c k W a r d s f o r p r e v e n t i n g u n n e c e s s a r y d r o pp i n g s o f h e p o l i s h i n g a g e n t .


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EXHIBIT 1


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US008342905B2

1 2 ) United States Patent 1 0 ) P a t e n t N 0 . : U S 8 , 3 4 2 , 9 0 5 B2Miyahara t a ] . 4 5 ) Date o f P a t e n t : J a n . 1 , 2013

(54) OPTICAL DISKRESTORATIONMETHOD 5,099,618 A * 3/1992 Schmid . . . . . . . . . . . . . . . . . . . . . . . . . 451/57ANDAPPARATUS 5,102,099 A * 4 / 1 9 9 2 Brown t a l . . . . . . . 451/283

5,113,622 A * 5/199

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