Patent · US Expired

Production method for solder coated conductor wiring

US4351704A · kind A · utility

4Cited by
2References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 18, 1981
Grant dateSep 28, 1982
Priority date
Expiry dateFeb 18, 2001

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05K2203/043
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A method of production of solder coated conductor wiring wherein a lead layer and a tin layer are separately applied to the surface of a ceramic substrate in superposed relation, and subjected to heat treatment at a temperature suitable for alloying the lead and tin into a lead-tin alloy, to provide the solder coated conductor wiring.

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