Polymethylpentene release sheet method of use

Details Polymethylpentene release sheet method of use Polymethylpentene release sheet method of use

1990-02-07

1992-05-12

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156289, 156344, B32B 3100

Patent

active

051124254

ABSTRACT:
A release sheet, comprising poly-4-methylpentene-1 film containing a copper salt of an alkanoic acid and at least one of an alkali metal halide and an alkaline earth metal halide, is disclosed. Such film is useful as a release sheet in the manufacture of printed circuit boards.

REFERENCES:
patent: 3215579 (1963-01-01), Hagen
patent: 4067836 (1978-01-01), Potts et al.
patent: 4966960 (1990-10-01), Sipos et al.
patent: 5043041 (1991-08-01), Sipos et al.

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