Materials for packaging, circuit protection devices

Details Materials for packaging, circuit protection devices Materials for packaging, circuit protection devices

H - Electricity

01

C

356/107, 356/66

H01C 7/02 (2006.01) H01C 1/022 (2006.01)

Patent

CA 1241769

"Novel Materials for Packaging Circuit Protection Devices" Joseph M. Ratell Abstract of the Disclosure Circuit protection devices which comprise a PTC conductive polymer element and an enclosure which is spaced apart from the PTC element and at least a part of whose interior surface is composed of a material which has an oxygen index of at least 70 and comprises a thermoset polymer, preferably an alkyd resin, and a filler which, when heated in the absence of air, decom- poses to give a gaseous by-product, e.g. alumina tri- hydrate. Such devices are illustrated by a Figure.

504009

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