Cover layer for flexible circuits

Details Cover layer for flexible circuits Cover layer for flexible circuits

1975-08-28

1978-02-21

Weiffenbach, Cameron K.

Electricity: conductors and insulators

Conduits, cables or conductors

Insulated

174110N, 174117FF, 428474, 428480, 428414, 428460, 428524, H01B 708

Patent

active

040754200

ABSTRACT:
A cover layer for flexible circuits which provides increased flexibility. The cover layer encapsulates a flexible circuit having a plurality of spaced conductors on a flexible insulating substrate. The cover layer is a tri-layered laminate having a first layer of insulating film, a second intermediate layer of a thermosetting adhesive, and a third layer of a phenolic resin adhesive. The cover layer is bonded to the flexible circuit with the third layer of phenolic resin adhesive being contiguous the conductors.

REFERENCES:
patent: 3202756 (1965-08-01), Stanback
patent: 3206330 (1965-09-01), Chottiner
patent: 3391246 (1968-07-01), Freeman et al.
patent: 3612744 (1971-10-01), Thomas
patent: 3616195 (1971-10-01), Rendleman et al.
patent: 3617969 (1971-11-01), Heinrichs
patent: 3668058 (1972-06-01), Pappadakis
patent: 3692924 (1972-09-01), Nye

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