H - Electricity – 01 – C
Patent
H - Electricity
01
C
356/107, 356/66
H01C 7/02 (2006.01) H01C 17/00 (2006.01) H05B 3/14 (2006.01)
Patent
CA 1240407
ELECTRICAL DEVICES COMPRISING CROSS-LINKED CONDUCTIVE POYLYMERS Andrew Au Marguerite Deep Tim Fahey Stephen Jacobs ABSTRACT OF THE DISCLOSURE Electrical devices containing PTC conductive polymers which have been cross-linked in two steps, preferably by radiation. The conductive polymer is heat-treated above its melting point between the two cross-linking steps, and/or one of the cross-linking steps is effected on part only of the conductive polymer. The process is particularly useful for the preparation of circuit protection devices for use at high voltages.
504006
Au Andrew N.
Deep Marguerite E.
Fahey Timothy E.
Jacobs Stephen M.
Fetherstonhaugh & Co.
Raychem Corporation
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