Metal treatment – Compositions – Fluxing
Patent
1985-12-09
1986-10-28
O'Keefe, Veronica
Metal treatment
Compositions
Fluxing
148 24, 148 25, 148 26, B23R 3534
Patent
active
046197150
ABSTRACT:
There is provided an inorganic salt-free, anhydrous, noncorrosive powdered solder metal paste and vehicle therefor which vehicle is characterized by the presence therein of a nonaqueous resinous binder and a nonaqueous organic liquid composition having a surface tension or surface energy of from 43 to 65 dynes/cm. and higher at 20.degree. C. When powdered solder metal or powdered solder metal alloy is distributed in such a vehicle in an amount sufficient to form a paste, a deposit will not undergo hot slump at elevated temperatures. The pastes and vehicles are free of inorganic metal salts.
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O'Keefe Veronica
SCM Corporation
Sturges R. A.
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