B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/10 (2006.01) B05D 5/02 (2006.01) H05K 1/03 (2006.01) H05K 3/38 (2006.01)
Patent
CA 2049626
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 the poly-4-methyl-1-pentene film has an average surface roughness Ra in the range of 0.5 to 10 µm. The matt film is applicable to the preparation of cladding panels for multi-layer printed circuit boards.
Katagiri Mikio
Kato Tatsuo
Mitsui Chemicals Incorporated
Smart & Biggar
LandOfFree
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