Patent · US Expired

Solder paste and soldering method of the same

US6656291B1 · kind B1 · utility

7Cited by
2References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 27, 2000
Grant dateDec 2, 2003
Priority date
Expiry dateJun 27, 2020

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB23K35/3618
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A solder paste including a solder powder; and a flux including at least an activating agent, and acid anhydride obtained by a dehydration reaction of aliphatic carboxylic acid having up to seven carbon atoms. The solder paste provides excellent solderability, high corrosive resistance and a good shelf life, but not an offensive smell, during the soldering operation.

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