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surface of the substrate; patterning the seed layer in a predetennined configuration; de- positing a polyimide layer on the patterned seed layer and a part of the substrate, which is not covered with the patterned seed lay- er; directing a light beam onto a portion of the polyimide layer fonned on top of the patterned seed layer; developing the por- tion of the polyimide layer to expose the patterned seed layer; curing the remaining portion of the polyimide layer under appro- priate conditions to fonn an insulator; and electroplating the conductive layer on the exposed patterned seed layer. Waterborne Coating us. Patent 5,777,022. July 7, 1998 J. Bugajskiet al., assignorsto Bee Chemical Co., Lansing, III. A one-coat, waterborne coating system for untreated polypropylene-based sub- strates consisting of dispersed particulates of chlorinated polyolefin resin and separate dispersed particulates of an acrylic resin dispersed in aqueous medium. Urethane Coating Composition us. Patent 5,777,024. July 7, 1998 T.H. Killilea et a/., assignorsto The Valspar Corp., Minneapolis A coating composition comprising an allophanate-modified urethane resin. Polyester Powder Coating us. Patent 5,777,045. July 7, 1998 LJ. Carr, assignorto Amoco Corp., Chicago A powder coating composition compris- ing a resin comprising a polyglycidyl-ter- minated polyester and a carboxylated poly- ester. In-Mold Coating Composition us. Patent 5,777,053. July 7, 1998 D.S. McBain et al., assignorsto GenCorp Inc., Fairlawn, Ohio An in-mold coating composition com- prising a saturated aliphatic polyester ure- thane acrylate; an aliphatic or cy- cloaliphatic (meth)acrylate; a hydroxyalkyl (meth) acrylate; a vinyl-substituted aro- matic having 8 to 12 carbon atoms; and a polyacrylate ester of an alkylene polyol. Cleaning System for Elongated Objects us. Patent 5,778,907. July 14, 1998 G.F. Ransley et al., assignorsto DEC International Inc., Madison, Wis. An apparatus for cleaning elongated ob- jects comprising a tank; a first conveyor mounted inside the tank and downwardly inclined from the feed end toward the tank bottom; a second conveyor mounted inside the tank and upwardly inclined from the bot- tom toward the exit end; a manifold capable of producing a jet stream that can be directed at the angular section fonned by the planes of the first and second conveyors; and a means for driving the conveyors. Nozzle for Paint Spray Guns us. Patent 5,779,153. July 14, 1998 J. Wu, Taipei Hsien, assignorto Chia Chun EnterprisesCo. Ltd., Taipei Hsien, Japan Phone (412) 761-9902 or Fax: (412) 761-8998 F·207C • Low profile, small footprint design fits in limited space • Flow rates from 7200 to 19000 GPH. Solids loading area from 60 to 105 sq. ft. Disc filter media available in 5, 10, 20 & 40 micron Systems feature non- metallic solution contact with magnetic drive or direct drive pumps ... • Ideal for nickel, zinc, acid copper and other solutions SERFILCOdisc systems set the new standard In filter disc size and dirt holding capaclty- at no additional cost vs competitive models. U.S.A. Y 847-559-1777.800-323-5431 • FAX: 847-559-1995 Email: [email protected] • Web: http://www.serfilco.com .. Prove it to yourself. Get your first quote from SERFILCO. Get 40% more disc surface at no additional cost*! , chaffner manufacturing company, inc. CUSTOM MADE FLAPWHEELS Schaffner manufactu rers FLAPWHEELS to your specification quickly. Special contour treatments and sizes are no problem. Schaffner also offers a wide variety of interleafing, spacing and slashing. All Schaffner coated abrasive FLAPWHEELS are produced in a SPC environment to assure quality. Phone or Fax for our free catalog. Circle 047 on reader information card Circle 049 on reader information card METAL FINISHING. DECEMBER 1998 71
