Organic welding flax composition

Metal treatment – Compositions – Fluxing

Patent

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B23K 3534

Patent

active

041151577

ABSTRACT:
Components can be held down on a printed circuit board without lead clinching by applying a non-flowing, water soluble mixture containing a polyalkylene glycol, a starch filler and a nonionic surface active agent over the components to keep them in place during soldering operations. The mixture can be completely removed after soldering by a water rinse.

REFERENCES:
patent: 2684312 (1954-07-01), Wasserman
patent: 3175932 (1965-03-01), Brady
patent: 3309239 (1967-03-01), Harris
patent: 3791879 (1974-02-01), Goldfarb

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