Probing apparatus with impedance optimized interface

United States of America Patent

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Feb 15, 2011
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Oct 6, 2008
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Oct 6, 2008

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Abstract

In a membrane probing apparatus, the impedance of the interface between coaxial cables connected to the test instrumentation and the membrane supported co-planar waveguide that conductively connects to the probe's contacts is optimized by eliminating a ground plane in the interface board.

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FORMFACTOR INC	7005 SOUTHFRONT ROAD LIVERMORE CA 94551

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G01R:MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC V....

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Inventor Name	Address	# of filed Patents	Total Citations
Hayward, Roger	Beaverton, US	12	348
Smith, Kenneth R	Portland, US	111	3422

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Probing apparatus with impedance optimized interface

Number of patents in Portfolio can not be more than 2000

United States of America Patent

12287213

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US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
February 15, 2011	US,7888957,B2 US7888957B2	GRANTED PATENT AS SECOND PUBLICATION
April 08, 2010	US,20100085069,A1 US20100085069A1	FIRST PUBLISHED PATENT APPLICATION

PATENT NO	7888957
SERIAL NO	12287213
DOCKET NO

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12287213

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