Testing bed and apparatus including same for testing printed cir

Details Testing bed and apparatus including same for testing printed cir Testing bed and apparatus including same for testing printed cir

1993-06-28

1994-10-18

Nguyen, Vinh

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

324 96, G01R 3126

Patent

active

053571940

ABSTRACT:
A testing bed for use in testing printed circuit boards and the like includes a light-transmissive supporting member, a plurality of spaced strips of light-transmissive, electrically-conductive material on one face of the supporting member, and a plurality of probe elements overlying and in contact with the strips. Each of the probe elements includes an outer electrically-conductive contact point for contact with a pad of the article to be tested. A photoconductive material between the probe elements and the strip forms a photoconductive gate.

REFERENCES:
patent: 4709141 (1987-11-01), Olsen
patent: 4891584 (1990-01-01), Kamieniecki et al.
patent: 5017863 (1991-05-01), Mellitz
patent: 5177437 (1993-01-01), Henley

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