Detecting a via stripping issue in a printed circuit board

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United States of America Patent

PATENT NO 12123907
APP PUB NO 20230341458A1
SERIAL NO

17729886

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Abstract

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A flying probe includes a test module and a processor. The test module measures a plurality of delta capacitances associated with a plurality of vias in a printed circuit board. The plurality of vias include first, second, third and fourth vias. Each different delta capacitance is measured between a different pair of the vias. The processor compares all the delta capacitances to a threshold value. In response to multiple delta capacitances associated with the first via being greater than or equal to the threshold value, the processor detects a possible via stripping issue for the first via.

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Patent Owner(s)

Patent OwnerAddress
DELL PRODUCTS L PONE DELL WAY ROUND ROCK TX 78682

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Ching-Huei Taoyuan, TW 6 23
Hung, Chi-Hsiang New Taipei, TW 18 88
Liao, Chun-Lin Taipei, TW 27 46
Lin, Pei-Ju Taoyuan, TW 13 47
Mutnury, Bhyrav Austin, US 94 62

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