Device for the electrical function testing of wiring matrices, p

Details Device for the electrical function testing of wiring matrices, p Device for the electrical function testing of wiring matrices, p

1988-03-16

1990-01-02

Karlsen, Ernest F.

Electricity: measuring and testing

Plural, automatically sequential tests

324158F, G01R 3102

Patent

active

048915785

ABSTRACT:
A device for the electrical function testing of wiring matrices, particularly of printed circuit boards. In the electrical function testing of wiring matrices, particularly of printed circuit boards, the contacting of selected measuring locations results via gas discharging channels. The plurality of leads required for the selection of the individual measuring locations is drastically reduced. In the new device, every gas discharge channel is selectable by an associated busbar and by the controllable charging with light of a photoconductor arranged between the gas discharge channel and the associated busbar.

REFERENCES:
patent: 3764898 (1973-10-01), Bohlen et al.
patent: 3956698 (1976-05-01), Malmberg et al.
patent: 4047077 (1977-09-01), Veith
patent: 4464627 (1984-08-01), Munakata et al.
patent: 4777432 (1988-10-01), Doemens et al.
Publication of Elektronik Produktion und Proueftechnik, Nov. 1979, pp. 472-473.

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