Patent · US Expired

Direct deposition of a gold layer

US5846615A · kind A · utility

32Cited by
11References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 28, 1997
Grant dateDec 8, 1998
Priority date
Expiry dateFeb 28, 2017

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05K3/105
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

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 EQU 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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.