Automotive coating

Automotive coating

Granted in the Metal Finishing Field Printed copies of patents are furnished by the Patent and Trademarks Office for $3.00 each. Address orders to: Co...

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Granted in the Metal Finishing Field Printed copies of patents are furnished by the Patent and Trademarks Office for $3.00 each. Address orders to: Commissioner of Patents and Trademarks, Washington, D.C. 20231

aqueous bath for electroplating nickel-iron alloy comprising 260 to 280 g/L of nickel chloride; 10 to 15 g/L of ferrous ammonium sulfate; 0.8 to 1.9 glL of acid saccharin; and 0.4 to 1.9 g/L of naphthalene trisulfonic acid.

prising a dispersion of a polymer in a medium comprising a nonpolar hydrocarbon and an alkyd resin, wherein the polymer is produced by a free-radical addition polymerization reaction of a group of monomers comprising at least one polar monomer and at one amine-functional least monomer, which takes place in the presence of the alkyd resin.

METHOD

CONVEVING

NICKEL-IRON

ALLOY

ELECTROPLATING

BATH

l%S. Patent 6,344,128. Feb. 52002 E. Toledo et al., Newton, Mass. An

US. Patent T Jiang Micron

6,346,151.

Technology

SYSTEM

CONDUCTORS

US. Patent

l%S. Patent 6,344,129. Feb. 5,2002 K. I? Rodbell et al., assignors to

K. W Lachman

International

Business

Corp., Armonk,

Machines

N.Y

A method for plating copper conductors on an electronic substrate comprising providing a copper electroplating solution; adding an additive to a concentration of not more than 5 ml/L; maintaining at a temperature not higher than 18°C; and electroplating. SOL-GEL CATALYST FOR ELECTROLESS

US. Patent

PLATING

6,344,242.

Feb. 5,2002

R. D. Stolk and M. R. Rahe, assignors to McDonnell

Douglas

Corp., St.

Louis

A composition for forming a solgel catalyst for electroless plating comprising a metal alkoxide mixed with a polar organic solvent; an acid in an amount 1 to 30% by weight; a chloride salt or an acid chloride; and a catalytic metallic salt. AUTOMOTlVE

COATING

US. Patent 6,344,502. Feb. 5,2002

Eisenmann

6,345,635.

ELECTROLYTE FOR ANODIZING VALVE METALS

et al., assignors

Corp., Crystal

Lake, Ill.

APPARATUS

A nonaqueous

PLATING A CONTACT PAD

January 2003

com-

to

A conveyor apparatus for the simultaneous and discontinuous movement of a plurality of workpieces to and between a plurality of treatment stations including an elongated and stationary structural frame having an entrance end and an exit end; a plurality of treatment stations positioned along the length of the frame and in spaced relation thereto; a travel mechanism carried on the frame and moveable relative to the frame between adjacent treatment stations; a hoist mechanism carried on the travel mechanism and having retractable and extendable members; and an elongated beam, which extends along the frame and is connected to the hoist mechanism by the retractable and extendable members and is constructed for movement between a lower position and an upper position and to releasably support each of a plurality of workpieces.

J R. Babjak et al., assignors to The Sherwin-Williams Co., Cleveland

dispersion

6,346,185.

J T Kinard Feb. 12,2002

FOR ELECTROLESS

to

Inc., Boise, Idaho

An apparatus for sequential in situ cleaning and formation of a conductive passivation layer on a conductive element in an integrated circuit.

US. Patent FOR PLATING COPPER

Feb. 12,2002

and L. Li, assignors

Feb. 12,2002

et al., assignors

Electronics

Corp., Greenville,

to Kemet S.C.

A method of anodizing a valve metal substrate comprising immersing the substrate in a borate polyester electrolyte solution and applying sufficient anodizing voltage to the solution, wherein the borate polyester electrolyte solution is formed by combining 2-methyl-1.3-propane diol and boric acid and heating to a temperature of 130 to 160°C. ALKALINE

STRIP PASSIVATION

US. Patent J Rieson Germany,

6,346,295.

Feb. 12,2002

and H. Krautbauer, assignors

Duesseldorf;

to Henkel KG,

Germany

A process for the alkaline passivation of a metal surface selected from the group consisting of galvanized steel, alloy-galvanized steel, and aluminum comprising forming an alkaline aqueous solution comprising 0.1 to 1 g/L of magnesium; 0.1 to 1 g/L of iron (III); and 0.5 to 5 g/L amino or hydrocarboxylate; 0.001 to 10 g/L of a member selected from the group consisting of acrylic acid, methacrylic acid, oligomers comprising acrylic acid residues, oligomers comprising methacrylic residues, and mix-

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