Soldering flux composition

Details Soldering flux composition Soldering flux composition

1980-05-19

1981-08-04

Rosenberg, P. D.

Metal treatment

Compositions

Fluxing

B23K 3534

Patent

active

RE0306967

ABSTRACT:
A flux composition of the non-corrosive type suitable for use in soft soldering, particularly in the electrical and electronics industries, contains in place of the conventional natural rosin (colophony), an ester of a polyhydric alcohol such as pentaerythritol tetrabenzoate. The composition can be in solid or liquid form and in the latter can perform the multiple functions of an etch resist, a protective coating and a flux in the production of printed circuit assemblies.

REFERENCES:
patent: 2700628 (1955-01-01), DeRosa
patent: 2829998 (1958-04-01), Glynn
patent: 3235414 (1966-02-01), Marks
patent: 3301688 (1967-01-01), Simpelaar
patent: 3675307 (1972-07-01), Strauss
patent: 3975216 (1976-08-01), Stayner

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