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    • 8. 发明授权
    • High powered over-voltage protection
    • 大功率过电压保护
    • US4331948A
    • 1982-05-25
    • US177648
    • 1980-08-13
    • Paul J. MalinaricVincent Squitieri
    • Paul J. MalinaricVincent Squitieri
    • H01L29/74H01C7/10H01C7/118H01C7/12H01C7/13H01L23/62
    • H01C7/118H01C7/12H01C7/13H01L2924/0002
    • The overload protection material of this invention comprises a plastic preferably an elastomer, e.g. silicone rubber, homogeneously and highly loaded with silicon carbide particles (powder) and a lesser amount of a Group IV B element-carbide particles (powder). The material is preferably form stable and is placed (across) a semiconductor junction or between electrodes of a device to be protected so that when high voltage surges appear across the junction or device to be protected the material breaks down (conducts) before the junction or device is destroyed. The material is bidirectionally conductive in its voltage threshold characteristic and repeatedly recovers unlike a fuse so that it provides continuous high voltage over-voltage (e.g. surge) protection.
    • 本发明的过载保护材料包括塑料,优选弹性体,例如弹性体。 硅橡胶,均匀且高度负载碳化硅颗粒(粉末)和少量的IVB族元素碳化物颗粒(粉末)。 该材料优选地形成稳定的并且被放置(跨越)半导体结或待保护的器件的电极之间,使得当跨接在要被保护的接头或器件上出现高电压浪涌时,该材料在接合之前分解(导通) 设备被破坏。 该材料在其电压阈值特性中是双向导电的,并且与保险丝不同,重复地恢复,从而提供连续的高压过电压(例如浪涌)保护。