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STRIP ELECTROPLATING LINE
U.S. Patent 6,019,884. Feb. 1, 2000 S. Kiyama et al., assignors to Kawasaki Steel Corp., Kobe, Japan
A method of correcting warpage of a steel strip in a horizontal electroplating line comprising current-carrying rolls and backup rolls. PLATING MONITOR
U.S. Patent 6,019,886. Feb. 1, 2000 D.M. Drew and P.R. Moehle, assignors to Texas Instruments Inc., Dallas, Texas
A comparator for monitoring the deposition of an electrically conductive material to warn of improper operation of a leadframe electroplating process.
ELECTROLESS NICKEL-PHOSPHORUS ALLOYS
REPAIRING SMALL PAINT DEFECTS
U.S. Patent 6,020,021. Feb. 1, 2000 G.O. Mallory, Jr., c/o Electroless Technologies, Los Angeles
A method for plating an electroless nickel-phosphorus containing alloy deposit on a substrate where the improvement achieves a weight percent phosphorus above 11% and a deposition rate above 12.5 micrometers per hour, and comprises conducting the plating deposition in an aqueous b a t h containing a source of nickel cations, a hypophosphite reducing agent, and a nickel c h e l a t i n g agent, and operating under electroless nickel plating conditions and at a pH of 5.5 to 7.5.
U.S. Patent 6,020,023. Feb. 1, 2000 A. Keller et al., assignors to DaimlerChrysler AG, Stuttgart, Germany; Micro Compact Car AG, Biel, Switzerland; Eisenmann Maschinenbau KG, Boeblingen, and Karl Woewag, Lack-und Farbenfabrik GmbH & Co. KG, Stuttgart, both of Germany
A process for repairing a paint defect of a powder paint coat comprising hollowing out the paint defect to form a recess surrounded by the paint coat; shaping a filler body comprising powder paint to at least one of the shape and the volume of the recess; placing the shaped filler body into the recess; hardening the filler body; and applying pressure
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Circle 074 on reader information card Metal Finishing
to the filler body to form a planar transition between the filler body and the paint coat. TREATING METAL SURFACES
U.S. Patent 6,020,029. Feb. 1, 2000 D. Ferrier and F. Durso, assignors to MacDermid Inc., Waterbury, Conn
A process for adhering a polymeric resin to a metal surface comprising contacting with an adh e s i o n p r o m o t i o n composition comprising: an oxidizer; an acid; a corrosion inhibitor; optionally, a source of halide ions; optionally, a water-soluble polymer; and thereafter contacting with an alkaline solution; and thereafter adhering a polymeric resin to the metal surface. COATIN6 ALUMINUM SUBSTRATES
treated solution to the first container.
chain extended with a primary amine.
CATIlOOlC ELECTROCOAT
PLATING PROCESS
U.S. Patent 6,020,069. Feb. 1, 2000 J.A. Antonelli and C. Scopazzi, assignors to E.I. du Pont de Nemours and Co:, Wilmington, Del.
U.S. Patent 6,020,266. Feb. 1, 2000 M. Hussein et al., assignors to Intel Corp., Santa Clara, Calif.
A cathodic electrocoating composition containing an epoxy resin
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A single-step electroplating process for interconnect via fill and metal line patterning.
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U.S. Patent 6,020,030. Feb. 1, 2000 J.D. Guthrie and A.M. Dennis, assignors to A l u m i n u m Company of America, Pittsburgh, Pa.
A process for pretreating an alum i n u m alloy sheet having a surface portion in order to improve adhesion of a polymer coating comprising in a first container, p r e t r e a t i n g an a l u m i n u m alloy sheet having a surface portion comprising a l u m i n u m oxide or a l u m i n u m hydroxide with a solution consisting essentially of water, an organophosphorus compound, and metal ions, thereby forming a layer comprising a reaction product of the compound and the oxide or hydroxide, and contaminating the solution with a l u m i n u m ions; t r a n s f e r r i n g at least a portion of the solution to a second container containing a cation exchange resin comprising a polymer functionalized with sulfonate groups and therein adsorbing a l u m i n u m ions onto the resin, thereby producing a treated solution containing the compound and having a reduced concentration of a l u m i n u m ions; and returning the
1 -800-344-0776 Tipton US Corp. 8411 Seward Rd., Hamilton, OH 4 5 0 1 1 Website: www.tiptonus.com E-maih
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/ Fabrication / Site Repair / Inspection We specialize in the application of Graystone PVC, Koroseal and Rubber. Our highly qualified field crews can install, inspect and repair linings at any Iocation. Please contact us for more information.
A r b o n i t e , Div. P&R Industries 3826 Old Easton Road, Doylestown, PA 18901 800-424-4978- 215-348-2950- Fax: 215-345-1251 Circle 064 on reader information card
February 2001
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