Patent · US Expired

Method for manufacturing a soldered article

US4979664A · kind A · utility

25Cited by
16References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 15, 1989
Grant dateDec 25, 1990
Priority date
Expiry dateNov 15, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P70/50
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Disclosed is a method for making a solder joint without flux, in the presence of an inert gas. A pair of articles having solder-coated surfaces are heated to melt the solder, pressure is applied to the joint region, and the articles are cooled. During the heating step, inert gas is flowed over the articles.

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