Automatic circuit board tester

Details Automatic circuit board tester Automatic circuit board tester

1978-10-02

1980-12-23

Corbin, John K.

Optics: measuring and testing

By configuration comparison

With comparison to master, desired shape, or reference voltage

356398, 356237, G01B 1100

Patent

active

042407508

ABSTRACT:
An automatic printed circuit board tester in which a laser beam is directed onto and scanned around solder pads and foil regions of a printed circuit board, and errors in structure are determined by detecting patterns of scattered light and comparing these patterns with similarly obtained ones from a properly constructed board.

REFERENCES:
patent: 3753617 (1973-08-01), Ehrat
patent: 3909602 (1975-09-01), Micka
patent: 4065212 (1977-12-01), Belleson et al.

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