Electrically insulating polymer matrix with conductive path form

Details Electrically insulating polymer matrix with conductive path form Electrically insulating polymer matrix with conductive path form

1988-05-02

1989-06-20

Nimmo, Morris H.

Electricity: conductors and insulators

Conduits, cables or conductors

Single duct conduits

21912165, 21912166, 21912185, H05K 100, B23K 3100

Patent

active

048410993

ABSTRACT:
An electrical component is made from an electrically insulating polymer matrix filled with electrically insulating fibrous filler which is capable of heat conversion to electrically conducting fibrous filler and has at least one continuous electrically conductive path formed in the matrix by the in situ heat conversion of the electrically insulating fibrous filler. In a preferred embodiment, the fibrous filler is thermally stabilized polyacrylonitrile fibers and the conductive path is formed by in situ heat converted thermally stabilized polyacrylonitrile fibers which have been converted by directing a laser beam through a mask having a predetermined pattern to melt the polymer and to heat convert the thermally stabilized polyacrylonitrile fibers.

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