发明名称 |
ELECTRICAL DEVICE COMPRISING CONDUCTIVE POLYMERS |
摘要 |
Circuit protection systems which comprise a PTC resistor (1) and a second resistor (6), e.g. a thick film resistor (6), which is thermally and electrically connected to the PTC resistor have a break current IB and a hold current IH such that the ratio IB/IH is at most 20. Suitable PTC resistors (1) are conductive polymer devices which comprise a PTC element (10) which has been radiation crosslinked under conditions such that the average dose rate is at most 3.0 Mrad/minute or during which no part of the PTC element (10) which is in contact with the electrodes (2, 3) reaches a temperature greater than (Tm-60) DEG C, where Tm is the melting point of the polymeric component of the conductive polymer (10). |
申请公布号 |
WO8903162(A1) |
申请公布日期 |
1989.04.06 |
申请号 |
WO1988US03377 |
申请日期 |
1988.09.30 |
申请人 |
RAYCHEM CORPORATION |
发明人 |
FANG, SHOU-MEAN;HORSMA, DAVID, A.;PERONNET, GUILLAUME;CAMPHOUSE, CHARLES, H. |
分类号 |
H01B1/14;H01B1/20;H01B1/22;H01B1/24;H01C7/02;H05B3/14;(IPC1-7):H05B1/02;H01B1/04 |
主分类号 |
H01B1/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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