Kuldip K Bhasin

US Patent:

58940383, Apr 13, 1999

Filed:

Feb 28, 1997

Appl. No.:

8/808302

Inventors:

Sunity Kumar Sharma - Palo Alto CA
Kuldip Kumar Bhasin - Mountain View CA
Subhash C. Narang - Palo Alto CA
Asutosh Nigam - Fremont CA

Assignee:

The Whitaker Corporation - Wilmington DE

International Classification:

B05D 300
B05D 302

US Classification:

427554

Abstract:

The present invention is directed to a process for forming a layer of palladium on a substrate, comprising: preparing a solution of a palladium precursor, wherein the palladium precursor consists of Pd(OOCR. sup. 1). sub. m (OOCR. sup. 2). sub. n wherein R. sup. 1 is hydrogen, alkyl, alkenyl, alkynyl, --R. sup. 3 COOH, alkyl from 1 to 5 carbons substituted with one or two hydroxyl groups, R. sup. 2 is hydrogen, alkyl, alkenyl, alkynyl, --R. sup. 3 COOH, alkyl from 1 to 5 carbon atoms substituted with one or two hydroxyl groups, --CHO, R. sup. 3 is alkyl, and alkyl groups from 1 to 5 carbon atoms substituted with one or two hydroxyl groups m and n are real numbers or fractions, and m+n=2; applying the palladium precursor to the surface of the substrate; decomposing the palladium precursor by subjecting the precursor to heat.

US Patent:

58466150, Dec 8, 1998

Filed:

Feb 28, 1997

Appl. No.:

8/808376

Inventors:

Sunity Kumar Sharma - Palo Alto CA
Kuldip Kumar Bhasin - Mountain View CA
Subhash C. Narang - Palo Alto CA

Assignee:

The Whitaker Corporation - Wilmington DE

International Classification:

B05D 306
B05D 302

US Classification:

427597

Abstract:

A process for forming a layer of gold on a substrate, comprising: preparing a solution of a gold precursor wherein the gold precursor consists of Au(OH). sub. p (OOCR. sup. 1). sub. q (OOCR. sup. 2). sub. r wherein R. sup. 1 is selected from the group of hydrogen, alkyl, alkenyl, and alkynyl, and R. sup. 2 is selected from the group of hydrogen, alkyl from 2 to 10 carbon atoms, alkenyl, or alkynyl, and p+q+r=3. Applying the solution of the gold precursor to the surface of the substrate. Decomposing the gold precursor by subjecting the gold precursor to heat.