Analyzing electrical circuit boards

Details Analyzing electrical circuit boards Analyzing electrical circuit boards

1978-02-23

1979-12-11

Krawczewicz, Stanley T.

Electricity: measuring and testing

Conductor identification or location

Inaccessible

324421, G01R 2714

Patent

active

041785436

ABSTRACT:
Circuit board analysis system, featuring, in various aspects, a probe having three equally spaced tips to simultaneously contact a straight portion of a mounted IC lead, circuitry to monitor contact between the tips and the lead, use of very low level test signals while the board is powered up, and test signal injection to determine the absolute values of internal IC resistance.

REFERENCES:
patent: 2659862 (1953-11-01), Branson
patent: 2854626 (1958-09-01), Davidson et al.
patent: 3048776 (1962-08-01), Logan
patent: 3735254 (1973-05-01), Severin et al.
patent: 3996514 (1976-12-01), Brown et al.

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