Matt film with a rough surface

Details Matt film with a rough surface Matt film with a rough surface

1991-08-22

1992-10-27

Sluby, P. C.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428512, 428514, 428414, 428418, B32B 2738, B32B 2710

Patent

active

051588277

ABSTRACT:
The present invention relates to a matt film comprising a paper and a poly-4-methyl-1-pentene film laminated at least one side of the paper, wherein said poly-4-methyl-1-pentene film has an average surface roughness R.sub.a in the range of 0.5 to 10 .mu.m.
The matt film is suitably applicable to the preparation of cladding panels for multi-layer printed circuit boards.

REFERENCES:
patent: 4543280 (1985-09-01), Fujita et al.
patent: 4959264 (1990-09-01), Dunk et al.

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