Inspection apparatus for printed wiring board

Details Inspection apparatus for printed wiring board Inspection apparatus for printed wiring board

1996-06-03

1997-09-30

Nguyen, Vinh P.

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

324761, G01R 104

Patent

active

056729782

ABSTRACT:
An inspection electrode unit for printed wiring board, which includes an insulating substrate; an inspection electrode element set up on one side of the substrate in which inspection electrodes are formed at standard grids crosswise arranged and which element has a plurality of functional regions each having the same inspection electrode arrangement; and a connecting material for electrically connecting the inspection electrodes to one another which are placed in the corresponding positions of the plural functional regions, to form commonized electrodes therefore.

REFERENCES:
patent: 4427250 (1984-01-01), Hines et al.
patent: 4571542 (1986-02-01), Arai
patent: 4994735 (1991-02-01), Leedy
patent: 5109596 (1992-05-01), Driller et al.
patent: 5399982 (1995-03-01), Driller et al.

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