Coating compositions for printed circuit boards

Details Coating compositions for printed circuit boards Coating compositions for printed circuit boards

1987-02-10

1988-03-01

Jacobs, Lewis T.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

523413, 523457, 524423, 524509, C08K 330

Patent

active

047286814

ABSTRACT:
Coating compositions are disclosed which are effectively applicable to the plating of insulating bases for use in manufacturing printed circuit boards by the additive process. Selected composite rubber materials are combined with specified amounts of a selected type of calcium sulfate, whereby blister resistance by plating, heat resistance at soldering and peel strength are greatly improved.

REFERENCES:
patent: 4166162 (1979-08-01), Weissenfels et al.
patent: 4379873 (1983-04-01), Wilson

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