Materials for laminating flexible printed circuits

Details Materials for laminating flexible printed circuits Materials for laminating flexible printed circuits

1988-03-14

1989-08-29

Robinson, Ellis P.

Stock material or miscellaneous articles

Layer or component removable to expose adhesive

Halogen containing compound

428216, 428352, 4284237, 428901, 428910, 428209, 428421, 428422, 428457, 428458, 428412, 428480, 428457, 428458, 428412, 428480, 4284258, 428447, 428522, 4284111, 428523, B32B 900

Patent

active

048616486

ABSTRACT:
The invention provides a stratiform press sheet useful in laminating three-dimensional flexible printed circuits on a flat bed press, the sheet having a median conformable layer comprising a polymeric thermoplastic film; a polymeric release layer; a stabilizing layer made of a sheet of metal foil; and adhesive means to bond the above components in a single, stratiform sheet. The metal foil is functional at both the conventional lower laminating temperatures and the higher temperatures approaching 600 degrees F., and accordingly by careful selection of the other components it is possible to provide unified stratiform press pad sheets accommodating a wide range of laminating temperatures.

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