Vacuum ring designs for electrical contacting improvement

Details Vacuum ring designs for electrical contacting improvement Vacuum ring designs for electrical contacting improvement

2011-03-15

2011-03-15

Wilson, Lee D (Department: 3727)

Work holders

With fluid means

Vacuum-type holding means

C269S2890MR, C134S021000, C209S573000

Reexamination Certificate

active

07905471

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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