US Patent 7905471 Vacuum ring designs for electrical contacting improvement
Patent 7905471 was granted and assigned to Electro Scientific Industries on March, 2011 by the United States Patent and Trademark Office.
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Patent abstract
Recesses (72), surface contours, contact tip modifications (52, 56), and/or other methods of ensuring pressure between a bottom surface (50) of a test plate (5) and top surfaces (52) of electrical contacts (18) are employed to enhance cleaning of the top surfaces (52) of the electrical contacts (18) to promote reliable measurements of DUTs (14).
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Patent Inventor Names
Douglas J. Garcia0
Jeffrey L. Fish0
Kyung Young Kim0
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US Patent 07905471 Vacuum ring designs for electrical contacting improvement US Patent 7905471 Vacuum ring designs for electrical contacting improvement
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Patent Number
07905471
Patent Number
7905471
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Official Website
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US Patent 07905471 Vacuum ring designs for electrical contacting improvement
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Is a
Current assignee
Patent jurisdiction
Patent number
07905471
Date of patent
March 15, 2011
Patent application number
11264757
Date Filed
October 31, 2005
Patent primary examiner
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