Metal-film laminate resistant to delamination

Details Metal-film laminate resistant to delamination Metal-film laminate resistant to delamination

1992-08-04

1994-11-15

Fuller, Benjamin R.

Stock material or miscellaneous articles

All metal or with adjacent metals

Microscopic interfacial wave or roughness

428626, 428623, 428675, B32B 310, B32B 1508

Patent

active

053647076

ABSTRACT:
A flexible metal-film laminate can comprise a layered film structure having a metal layer securely bonded to a film layer. The laminate contains a unique metal-oxide attachment structure between the film and metal layer comprising randomly distributed regions of metal-oxide. The peel strength of such a laminate is significantly improved over prior laminates and is resistant to peel strength reduction due to environmental stress. The preferred metal-film laminates made with polyester or polyimide can be used in the manufacture of high-quality, low cost, flexible printed circuit boards.

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