Soldering flux composition
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United States of America
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-
Aug 4, 1981
Grant Date -
N/A
app pub date -
May 19, 1980
filing date -
Jun 11, 1976
priority date (Note) -
In Force
status (Latency Note)
Importance
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.
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