Patent · US Expired

Electroless deposition of a copper-nickel alloy on an imagewise pattern of physically developable metal nuclei

US3935013A · kind A · utility

11Cited by
6References
19Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 12, 1973
Grant dateJan 27, 1976
Priority date
Expiry dateNov 12, 1993

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03C5/58
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A physical developer composition for latent images comprises a mixture of at least one copper salt and at least one nickel salt and a reducing agent for copper and nickel salts wherein the nickel and copper salts are in such proportions that upon reduction to a metal alloy, the alloy contains from 9 to 98 mole percent copper and from 2 to 91 mole percent nickel.

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