发明名称 |
In-circuit test apparatus for printed circuit board |
摘要 |
An in-circuit test apparatus having a vacuum chamber between a top plate and a base plate. The apparatus has an adjustable bearing block assembly located at each quandrant to provide a precision alignment between the top plate and the base plate. A continuous double-hollow tube is located in a uniform groove in the base plate and forms a seal when held captive between the top plate and the base plate. A plurality of spring probe pressure pins are mounted within the chamber. The pins project through drilled individual access ports in the top plate and make electrical contact with a printed circuit board under test when the top plate collapses under a vacuum.
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申请公布号 |
US4538104(A) |
申请公布日期 |
1985.08.27 |
申请号 |
US19830483696 |
申请日期 |
1983.04.11 |
申请人 |
TEST POINT 1, INC. |
发明人 |
DOUGLAS, BRUCE S.;WESTERGART, CHESTER V. |
分类号 |
G01R1/073;(IPC1-7):G01R31/02 |
主分类号 |
G01R1/073 |
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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