Apparatus for testing printed circuit boards

Details Apparatus for testing printed circuit boards Apparatus for testing printed circuit boards

1983-12-19

1985-11-05

Levy, Stewart J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With rotor

324 73PC, G01R 3102

Patent

active

045516758

ABSTRACT:
A fixture for testing plated-through holes of a printed circuit board includes a probe board having a plurality of first spring-actuated probe assemblies arranged in a matrix on a uniform rectangular grid, a converter board having a plurality of second spring-actuated probe assemblies arranged to engage the plated-through holes of the printed circuit board being tested, the converter board having copper tracks located on its lower surface connecting the second probe assemblies with the first probe assemblies and an elastic cover member positioned over the fixture to provide an air-tight seal when vacuum is applied to move the printed circuit board and the converter board in a direction to move the first and second probe assemblies into engagement with the copper tracks and the plated-through holes respectively enabling the plated-through holes to be tested for continuity.

REFERENCES:
patent: 3654585 (1972-04-01), Wickersham
patent: 3996516 (1976-12-01), Luther
patent: 4209745 (1980-06-01), Hines
patent: 4229693 (1980-10-01), Irick et al.

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