Press assembly for electrically testing a printed circuit board

Details Press assembly for electrically testing a printed circuit board Press assembly for electrically testing a printed circuit board

1996-12-17

1999-03-30

Nguyen, Vinh P.

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

324761, G01R 106

Patent

active

058894071

ABSTRACT:
A press assembly for electrically testing at least one side of a printed circuit board has an upper part and a lower part, a constant gauge grid with spring contacts, an exchangeable lower adapter having a plurality of needles, each of which is engageable with a corresponding one of the spring contacts of the constant gauge grid. The circuit board to be tested is supportable on the lower adapter and a lower insulating sheet is disposed between the adapter and the grid. The insulating sheet is provided with a plurality of holes for the passage of the plurality of needles, and has a thickness which is coordinated to the height of the lower adapter and the length of the plurality of needles.

REFERENCES:
patent: 3970934 (1976-07-01), Aksu
patent: 4322682 (1982-03-01), Schadwill
patent: 4357062 (1982-11-01), Everett
patent: 4471298 (1984-09-01), Frohlich
patent: 4724383 (1988-02-01), Hart
patent: 4818933 (1989-04-01), Kerschner et al.
patent: 4829241 (1989-05-01), Maelzer
patent: 4926119 (1990-05-01), Prokopp
patent: 5094584 (1992-03-01), Bullock
patent: 5134363 (1992-07-01), Lang-Dahlke

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