发明名称 |
Electrical devices comprising cross-linked conductive polymers |
摘要 |
Electrical devices containing PTC conductive polymers which have been cross-linked in two steps, preferably by radiation. The conductive polymer is heat-treated above the temperature at which it begins to melt between the two cross-linking steps, and/or the cross-linking steps are such that a center section of the conductive polymer, intermediate the electrodes, is substantially more cross-linked than the conductive polymer adjacent the electrodes. The process is particularly useful for the preparation of circuit protection devices which are subject to high voltage faults.
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申请公布号 |
US4724417(A) |
申请公布日期 |
1988.02.09 |
申请号 |
US19850711910 |
申请日期 |
1985.03.14 |
申请人 |
RAYCHEM CORPORATION |
发明人 |
AU, ANDREW N.;DEEP, MARGUERITE E.;FAHEY, TIMOTHY E.;JACOBS, STEPHEN M. |
分类号 |
H01C7/02;H05B3/14;(IPC1-7):H01C7/10 |
主分类号 |
H01C7/02 |
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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