Test board circuit for detecting tester malfunction and protecti

Details Test board circuit for detecting tester malfunction and protecti Test board circuit for detecting tester malfunction and protecti

1996-06-24

1999-12-21

Karlsen, Ernest

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With rotor

324537, G01R 3102

Patent

active

060053852

ABSTRACT:
A test board circuit for testing integrated circuit modules under stress conditions, such as temperature, humidity, and bias. The integrated circuit module under test is plugged into a test socket which is part of the test board circuit. Without protection electrical shorting between test socket contacts, either from improper plugging of the module under test or from the formation of conductive deposits on the socket contacts, causes erroneous results and can damage devices in the integrated circuit module under test. The test board circuit protects the devices in the integrated circuit module under test from damage due to shorting between test socket contacts and provides a voltage signal which can be used to detect when a short has occurred.

REFERENCES:
patent: 4597025 (1986-06-01), Rutchik et al.
patent: 4779043 (1988-10-01), Williamson, Jr.
patent: 4864219 (1989-09-01), Parsons
patent: 5319515 (1994-06-01), Pryor et al.
patent: 5399975 (1995-03-01), Laing et al.
patent: 5457391 (1995-10-01), Shimizu et al.

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