System of electronic laminates with improved registration proper

Details System of electronic laminates with improved registration proper System of electronic laminates with improved registration proper

1994-05-19

1995-11-07

Ryan, Patrick J.

Coating processes

With post-treatment of coating or coating material

Heating or drying

4273897, 4273899, 4274073, C03C 2502

Patent

active

054646588

ABSTRACT:
Dimensionally stable laminates of epoxy resin reinforced with glass fibers have a coefficient of thermal expansion which matches that of copper, making possible copper foil covered laminates which provide improved registration in multilayer printed circuit boards. New glass fabric styles provide balanced thermal expansion in both the warp and fill directions.

REFERENCES:
patent: 4414264 (1983-11-01), Olson

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