mask; and plating an outer layer on the seed layer.

ZINC P L A T I I | A I )OIT IV l U.S. Patent 6,143,160. Nov. 7, 2000 L.L. Diaddario, Jr., assignor to Pavco Inc., Cleveland

A m e t h o d for improv ing the macro throwing power for chlo- ride zinc electroplating baths.

A P P A I U T U ! | I L i C ' n l o I B I A I I O l P O i l T I O N U.S. Patent 6,145,470. Nov. 14, 2000 R.W. Bruce and J.D. Evans, assignors to General Electric Co., Cincinnati

A physical vapor deposition appa- ratus comprising a coating cham- ber; means for generating an elec- t ron beam within the coating chamber; a ceramic mate r ia l

within the coating chamber, the ce- ramic material having an upper end with a cross-sectional area; and a crucible surrounding the upper end of the ceramic material, the crucible defining a reservoir having a larger cross-sectional area than the cross-sectional area of the ce- ramic material.

PAINT BOOTN AIIIIIqLOW CONTROL SYSTEM U.S. Patent 6,146,264. Nov. 14, 2000 E.H. Tong and D. Filer, assignors to Ford Global Technologies Inc., Dearborn, Mich.

An automotive body paint booth comprising multiple connected con- t iguous t r e a t m e n t chambers adapted to have automotive bodies pass sequentially there through in repetitive fashion; means for mov-

ing air downwardly through se- lected ones of the chambers for re- moving contaminants; and means for controlling cross flow of air be- tween the chambers; said cross flow control means comprising means for measuring the cross flow between adjacent chambers and means for measuring the down flow within individual chambers.

ELEClmOCOAlrlR BAlm U.S. Patent 6,146,512. Nov. 14, 2000 R. Hoefer et al., assignors to Henkel KG, Aktien, Germany

A process for coating an electri- cally conductive substra te com- prising immers ing in a water- b a s e d e l ec t ropho re t i c coa t ing bath containing at least one ca- thodically depositable synthetic

Chemical Metering

Pump $395 H~

Self-Priming [P 65 Corrosion Proof Low Cost Polyethylene Head Viton O-Rings

• Duckbill Checkvalves • Teflon Diaphragm

PBMA series is a manual ON/OFF mode pump with a unique self-priming design. Pulse rate is adjustable in a dual scale. Built-in level switch. Comes complete with 6' suction and 6' discharge tubing, injection valve, filter and manual. Higher capacities available.

Order ing In fo rma t ion : 'Item GPH Max Dsi Price PBMA-0415 i gph 200 $395 PBMA-0808 2 gph 100 $395 PBMA-1505 4 gph 75 $395

Pulse Instruments (800) 462-1926 • www,pulseinstruments.net Circle 063 on reader card or go to www.thru.to/webconnect

TUBE RESONATOR ULTRASONIC CLEANING SYSTEM

TEL$ONIC Ultrasonics Inc. 603 Heron Drive * Bridgeport, NJ 08014

800.691.3111 * 856.241.0400 Fax 856.241.0741 email: sales@usa.telsonic.com

Visi~t TELSONIC at www.telsonic.com

Circle 081 on reader card or go to www.thru.to/webconnect

98 Metal Finishing

resin and a polyalkylene oxide compound whose oxyalkyl groups contain 2 to 4 carbon atoms and the terminal OH groups are ester- ified with a carboxylic acid or etherified with an allyl or methyl aryl group, connecting said sub- s trate as the cathode, depositing a film of the resin on the substrate by application of direct current, removing the substrate from the electrophoretic coating bath and s tov ing the d e p o s i t e d film, wherein the polyalkylene oxide compound has a solubility of more than 50 parts by weight in 100 parts by weight of water at 25°C.

IMPROVING THE ADl lESION OF POLYllillrdlllC MATERIALS TO METALS U.S. Patent 6,146,701. Nov. 14, 2000

D. Ferrier, assignor to MacDerrnid Inc., Waterbury, Conn.

A process for increasing the adhe- sion of a polymeric material to a metal surface, wherein the metal surface comprises copper or cop- per alloy comprising contacting the metal surface with an adhe- sion-promotion composition com- prising 6 to 60 g/L of an oxidizer; 5 to 360 g/L of an acid; 1 to 20 g/L of a corrosion inhibitor; 5 to 500 mg/L of halide ions; a source of adhesion enhancing ions, which ions are selected from the group consisting of molybdates, tung- states, tantalates, niobates, vana- dates, and mixtures thereof from 1 to 500 mg/L; and optionally a water-soluble polymer 1 to 15 g/L and thereafter bonding the poly-

meric material to the metal sur- face.

ELECTllOLESS NICKEL-COBALT-PHOSPIlORUS COMPOSmON U.S. Patent 6,146,702. Nov. 14, 2000 M.W. Zitko, assignor to Enthone- OMI Inc., West Haven, Conn.

A process for plating a substrate with a nickel-cobalt-phosphorus wear- res is tant alloy comprising an electroless plating composition of nickel 0.1 to 100 g/L; cobalt 0.1 to 100 g/L; a phosphorus contain- ing reducing agent; an effective amount of a complexing agent comprising glycolic acid or salts thereof; an effective amount of buffering agent; and an amount of a pH adjusting material to pro- vide a pH of 6.5 to 11.

Circle 030 on reader card or go to www. thru . to /webconnect

Call .~ today at 1 - 8 0 0 - 2 4 3 - 8 4 1 7 www.fischer-technology.com

Fischer Technology, Inc., 750 Marshall Phelps Road Windsor, CT 06095 Phone: 860-683-0781 Fox: 860-688-8496

Circle 028 on reader card or go to www. thru . to lwebconnect

September 2001 99