发明名称 |
Variable resistor |
摘要 |
A variable resistor for use in vehicles and electric apparatus having a resistive body whose resistance value is hardly affected by abrasion. The resistive body is composed of a lower resistive layer formed on the surface of a substrate and an upper resistive layer formed on said lower resistive layer, wherein said upper resistive layer has 2 to 500 times greater value of volume resistivity compared with said lower resistive layer.
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申请公布号 |
US4751492(A) |
申请公布日期 |
1988.06.14 |
申请号 |
US19870052904 |
申请日期 |
1987.05.22 |
申请人 |
AISIN SEIKI KABUSHIKI KAISHA |
发明人 |
TSUZUKI, TAKAYOSHI;YABUNO, RYOHEI;ISHII, MASAMI |
分类号 |
H01C7/18;H01C10/30;H01C17/28;H05K1/09;H05K1/16;H05K3/24;(IPC1-7):H01C10/38 |
主分类号 |
H01C7/18 |
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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