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 代理人
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