Automatic multi-probe pwb tester

Details Automatic multi-probe pwb tester Automatic multi-probe pwb tester

G - Physics

01

R

G01R 31/28 (2006.01) G01R 31/02 (2006.01) G01R 31/304 (2006.01)

Patent

CA 2174784

A new structure of a test apparatus (tester) for detecting shorts and opens of a printed wiring board and an associated automatic test method. The tester has means for injecting signals into conductors of a printed wiring board under test (BUT) and a large number of integrated solenoid-actuated probes which are arranged in a two-dimensional array for sampling signals from the conductors of the BUT. The signals are sampled from the conductors by the integrated solenoid-actuated probes in a row by row scanning sequence following a grid pattern of the BUT. Each of the probes needs only to sample signals from the conductors in a small portion of the BUT.

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