Transparent multilayer film and its use for protection of data o

Details Transparent multilayer film and its use for protection of data o Transparent multilayer film and its use for protection of data o

1995-07-06

1997-05-13

Krynski, William

Stock material or miscellaneous articles

Composite

428212, 428500, 428913, 428 413, 428 423, 283 72, B32B 904

Patent

active

056290934

ABSTRACT:
The invention provides a transparent multilayer film comprising a cover layer, a destructible or irreversibly deformable layer, respectively, a pattern of adhesion-regulating material between the cover layer and the damagable layer, and an adhesive layer for bonding with a substrate. The damagable layer has a thickness of at least 10 .mu.m. The following relationship applies to the cohesive strength as well as the adhesion between the layers:
a and d>c>b
whereby

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