Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – Of individual circuit component or element
Patent
1989-08-22
1991-04-09
Eisenzopf, Reinhard J.
Electricity: measuring and testing
Fault detecting in electric circuits and of electric components
Of individual circuit component or element
324158F, G01R 3102
Patent
active
050068083
ABSTRACT:
A method of testing for short circuits between networks of a printed circuit board comprising a plurality of such networks comprises measuring an impedance value between each of the networks and a ground plane of the board, using a pair of probes; and, also using the probes, effecting tests for short circuits only between any two networks for which the measured impedance value is substantially the same and for which this measured impedance value is greater than a predicted lowest impedance for the two networks to be short-circuited together.
REFERENCES:
patent: 3975680 (1976-08-01), Webb
patent: 4186338 (1980-01-01), Fichtenbaum
patent: 4229693 (1980-10-01), Irick et al.
patent: 4417204 (1983-11-01), Dehmel et al.
patent: 4565966 (1986-01-01), Burr et al.
patent: 4583042 (1986-04-01), Reimer
patent: 4785235 (1988-11-01), Hendricks et al.
Bath Scientific Limited
Eisenzopf Reinhard J.
Regan Maura K.
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