Invention Grant
- Patent Title: PTC composition and over-current protection device containing the same
-
Application No.: US14806267Application Date: 2015-07-22
-
Publication No.: US09653192B2Publication Date: 2017-05-16
- Inventor: Chien Cheng Ho , Tong Cheng Tsai , Kuo Chang Lo , Yi An Sha
- Applicant: Polytronics Technology Corp.
- Applicant Address: TW Hsinchu
- Assignee: Polytronics Technology Corp.
- Current Assignee: Polytronics Technology Corp.
- Current Assignee Address: TW Hsinchu
- Agency: Muncy, Geissler, Olds & Lowe, P.C.
- Priority: TW103133760A 20140929
- Main IPC: H01C7/10
- IPC: H01C7/10 ; H01B1/20 ; H01C7/02 ; H01C7/00
Abstract:
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.
Public/Granted literature
- US20160093414A1 PTC COMPOSITION AND OVER-CURRENT PROTECTION DEVICE CONTAINING THE SAME Public/Granted day:2016-03-31
Information query
