Patent · US Active

Curable amine, carboxylic acid flux composition and method of soldering

US8430293B2 · kind B2 · utility

0Cited by

30References

10Claims

0Family size

Assignee

Rohm and Haas Electronic Materials LLC · US

Inventors

Avin Dhoble · Waltham, US
Mark R. Winkle · Lansdale, US
Michael K. Gallagher · Hopkinton, US
Kim Sang Ho · Richboro, US
Xiang-Qian Liu · Collegeville, US
Asghar A. Peera · Cary, US
Glenn N. Robinson · Naperville, US
Ian A. Tomlinson · Midland, US
David Fleming · Northborough, US

Key dates

Filing date	Sep 30, 2011
Grant date	Apr 30, 2013
Priority date	—
Expiry date	Sep 30, 2031

Classification

Technology area (CPC H)Electricity
CPC primaryH05K2201/10977
WIPO fieldSemiconductors
WIPO sectorElectrical engineering

Abstract

A curable flux composition is provided, comprising, as initial components: a resin component having at least two oxirane groups per molecule; a carboxylic acid; and, an amine fluxing agent represented by formula I:and, optionally, a curing agent. Also provided is a method of soldering an electrical contact using the curable flux composition.

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