Organic acid activated liquid solder flux

Details Organic acid activated liquid solder flux Organic acid activated liquid solder flux

1980-06-18

1981-07-14

Rosenberg, P. D.

Metal treatment

Compositions

Fluxing

B23K 3534

Patent

active

042784794

ABSTRACT:
An improved organic acid activated liquid solder flux is provided by combining a carboxylic acid derivative of a condensed nuclear hydrocarbon, such as 1-naphthylacetic acid, with a flux base, such as rosin, and a solvent, such as isopropyl alcohol. Application of this mixture to solder joints to be made results in faster solder reflow and easier removal of flux residue than with a flux of substantially the same composition not employing the carboxylic acid. Any residues remaining are non-corrosive.

REFERENCES:
patent: 3832242 (1974-08-01), Cuthbert
patent: 3837932 (1974-09-01), Aronberg
patent: 3895973 (1975-07-01), Stayner
patent: 3944123 (1976-03-01), Jacobs
patent: 4113525 (1978-09-01), Stayner
patent: 4140554 (1979-02-01), Stayner
patent: 4216035 (1980-08-01), Bakos

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