Contact probe and method of making the same

Details Contact probe and method of making the same Contact probe and method of making the same

2011-08-02

2011-08-02

Hollington, Jermele M (Department: 2858)

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

Reexamination Certificate

active

07990165

ABSTRACT:
To provide a contact probe which can easily be connected with a measurement apparatus electrically, can measure a high speed and high frequency signal with a fine pitch easily and correctly, and can easily cope with signal measurement for a plurality of channels, and a method of making the contact probe.It includes a first printed wiring board3having a signal electrode10aand a ground electrode10bused as a contact part with respect to a measuring object, in which the signal electrode10aand ground electrode10bare formed of a metal wiring pattern on a substrate, and a second printed wiring board2with a coaxial line structure having shield electrodes12, 17, 18which enclose a signal line15aand the surroundings of the signal line15athrough an insulating layer. The signal electrode10aof the first printed wiring board3and the signal line15aof the second printed wiring board2are electrically connected together, and the ground electrode10bof the first printed wiring board3and the shield electrodes12, 17, 18of the second printed wiring board2are electrically connected together.

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International Search Report of PCT/JP2007/058561, Mailing Date of April Jul. 17, 2007.

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