发明名称 |
PTC COMPOSITION AND OVER-CURRENT PROTECTION DEVICE CONTAINING THE SAME |
摘要 |
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. |
申请公布号 |
US2016093414(A1) |
申请公布日期 |
2016.03.31 |
申请号 |
US201514806267 |
申请日期 |
2015.07.22 |
申请人 |
Polytronics Technology Corp. |
发明人 |
HO CHIEN CHENG;TSAI TONG CHENG;LO KUO CHANG;SHA YI AN |
分类号 |
H01B1/20;H01C7/02;H01C7/00;H02H9/02;H02H7/18 |
主分类号 |
H01B1/20 |
代理机构 |
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代理人 |
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主权项 |
1. A PTC composition, comprising:
a crystalline polymer; a conductive filler comprising tungsten carbide powder dispersed in the crystalline polymer; wherein the tungsten carbide powder comprises impurity equal to or less than 7 wt %, and the impurity comprises materials other than tungsten monocarbide having molecular formula WC. |
地址 |
Hsinchu TW |