PTC composition and over-current protection device containing the same

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United States of America Patent

PATENT NO 9653192
APP PUB NO 20160093414A1
SERIAL NO

14806267

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Abstract

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A PTC composition comprises crystalline polymer and conductive filler. The conductive filler comprises tungsten carbide powder dispersed in the crystalline polymer, and the tungsten carbide powder comprises impurity of less than 7% by weight. The impurity comprises the materials other than tungsten monocarbide.

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Patent Owner(s)

Patent OwnerAddress
POLYTRONICS TECHNOLOGY CORPNO 24-1 INDUSTRY E RD 4TH HSINCHU SCIENCE PARK HSINCHU

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ho, Chien Cheng Taipei, TW 2 9
Lo, Kuo Chang New Taipei, TW 12 91
Sha, Yi An Taipei, TW 28 152
Tsai, Tong Cheng Tainan, TW 11 43

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