Fixtureless automatic test equipment and a method for registrati

Details Fixtureless automatic test equipment and a method for registrati Fixtureless automatic test equipment and a method for registrati

1995-01-09

1997-05-27

Wieder, Kenneth A.

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

G01R 3128

Patent

active

056335962

ABSTRACT:
Fixtureless automatic test equipment for testing a printed wiring board having electrically conductive elements. The automatic test equipment of the present invention includes an array of modular integrated switching circuit (MISC) devices and test instrumentation fore determining the functionality of a workpiece. Each MISC includes an array of semiconductor dies mounted on a PWB interconnector for kiss touch deployment on a workpiece. All the PWB interconnectors form a test mattress of probes for deployment against a bare workpiece. Each semiconductor die includes a matrix of switching cells of which each switching cell terminates in a terminal. The PWB interconnector of each MISC connects the switching cell terminals to probes forming part of the test mattress.

REFERENCES:
patent: 4587481 (1986-05-01), Lischke et al.
patent: 4929893 (1990-05-01), Sato et al.
patent: 4966520 (1990-10-01), Yokota et al.
patent: 5363038 (1994-11-01), Love
patent: 5506510 (1996-04-01), Blumenau

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