Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – Of individual circuit component or element
Patent
1994-01-03
1995-07-11
Wieder, Kenneth A.
Electricity: measuring and testing
Fault detecting in electric circuits and of electric components
Of individual circuit component or element
324537, 324679, 324705, 324718, G01R 3102
Patent
active
054324602
ABSTRACT:
A method and apparatus for testing circuit boards uses a pair of probes to contact the various nodes on the circuit board. A single one of the pair of probes may be used to deposit a charge at a being tested net and checking for the presence of a charge at subsequent nets to determine whether a short condition exists. Moreover, the pair of probes is used to contact two nodes of a network being tested to measure the resistance within the network being tested; the measured resistance being compared to a nominal resistance, to determine whether an open condition exists. In addition, the pair of probes may be used to measure the resistance between networks in order to verify or determine whether a short condition exists between networks.
REFERENCES:
patent: 4565966 (1986-01-01), Burr et al.
patent: 5006808 (1991-04-01), Watts
patent: 5122753 (1992-06-01), Myers et al.
patent: 5138266 (1992-08-01), Stearns
patent: 5192913 (1993-03-01), Goruganthu
patent: 5256975 (1993-10-01), Mellitz et al.
patent: 5266901 (1993-11-01), Woo
Flecha Edwin
Henry Kelvin D.
Mahlbacher James C.
Servedio Michael
Weinaug Kenneth S.
Brown Glenn W.
International Business Machines - Corporation
Magistrale Anthony N.
Strimaitis Romualdas
Wieder Kenneth A.
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