Drive device for an apparatus for electrical function testing of

Details Drive device for an apparatus for electrical function testing of Drive device for an apparatus for electrical function testing of

1988-12-19

1990-10-30

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With rotor

324158P, 324500, 324523, G01R 3102

Patent

active

049671499

ABSTRACT:
A drive device for an apparatus for electrical function testing of wiring matrices, which has optimally simple electrode shapes for the purpose of a further miniaturization with a two-electrode arrangement. For testing printed circuit boards a non-touching plasma contacting is used whereby two respectively selected measuring locations of a wiring matrix can be contacted via allocated discharge channels and their electrodes. The drive of the measuring locations (test points) occurs via control gas discharges that are generated by applying an adequately high voltage between the electrodes. By applying a voltage between the gas discharges, a current conduction that can be evaluated for test purposes is generated for a conductive connection between the test points.

REFERENCES:
patent: 4507605 (1985-03-01), Geisel
patent: 4600878 (1986-07-01), Doemens et al.
patent: 4705329 (1987-11-01), Doemens
patent: 4777432 (1988-10-01), Doemens et al.
"Open/Short Testing" by T. Bayer et al, in IBM Technical Disclosure Bulletin, vol. 27, No. 4A, Sep. 1984, pp. 2024-2025.
"Gas Discharge Device to Test for Signal Plane to Signal Plane Incipient Shorts in Drilled but Unplated Circuit Card Boards" in IBM Technical Bulletin, vol. 29, No. 1, Jun., 1986, pp. 305-307.

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