Elastomeric probe apparatus and associated methods

Details Elastomeric probe apparatus and associated methods Elastomeric probe apparatus and associated methods

1991-11-07

1992-11-24

Karlsen, Ernest F.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With rotor

324158F, G01R 106, G01R 3102

Patent

active

051666022

ABSTRACT:
A specially designed resilient probe device is used in place of the usual series of pogo pins in the electrical testing of a printed circuit board. The device includes a strip-like, nonconductive elastomeric body having upper and lower side edges. Imbedded in the body are a spaced series of vertically elongated metal conductor strips arranged in staggered rows and having upper and lower ends that respectively project slightly beyond the upper and lower body side edges. The body is frictionally retained in a vertical slot formed in a plastic holder, with the upper and lower side edges of the body respectively projecting outwardly beyond the top and bottom ends of the holder. The upper end of the holder is suitably affixed to the underside of a topology circuit board which is laterally moved toward the printed circuit board to slightly compress the elastomeric body between the topology board and printed circuit board to establish electrical contact between aligned series of test contact points thereon via the imbedded conductor members in the elastomeric body. In an alternative embodiment of the device, the elastomeric body has a square cross-section along its vertical length, is releasably secured to the topology board by means of metal clips soldered thereto, and is used to probe a single test contact point on the printed circuit board.

REFERENCES:
patent: 4766371 (1988-08-01), Moriya

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