Protective coating for an electrical or electronic circuit

Details Protective coating for an electrical or electronic circuit Protective coating for an electrical or electronic circuit

1989-08-08

1993-06-08

Schofer, Joseph L.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

106 1405, 427 58, 524379, 524390, 524557, 525 61, 525375, C08K 534

Patent

active

052180220

ABSTRACT:
The present invention relates to a protective coating composition for electrical or electronic circuits containing a curable polyvinyl acetal polymer and a non-ionic corrosion inhibitor such as an azole. The invention also relates to a method of protectively coating electrical or electronic circuits.

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Patent abstracts of Japan JP 62-280736, Dec. 5, 1987.
Derwent abstracts Accession No. 88-178186/26, May 19, 1988.
Article in "Electronic Recharging and Production Volume" vol. 26 No. 2 entitled Coatings Over High-Volume PCBs, Feb. 1986.

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