Geometrical instruments
Patent
1984-05-01
1986-03-11
Abrams, Neil
Geometrical instruments
339 61M, H01R 2372
Patent
active
045751668
ABSTRACT:
Electrical connector for card-to-card coupling of dense semiconductor module circuitries on adjacent printed circuit cards or circuit boards. A pressure and connector element has a first high durometer layer for stiffness and a second low durometer layer for spring action. The low durometer layer is provided with deposited dense multiple connector elements. The connector elements are shaped to a radius or truss form, such that the applied fastening torque or clamping causes a truss displacement of the connector elements across the lands to be connected.
REFERENCES:
patent: 3629787 (1971-12-01), Wilson
patent: 4255003 (1981-03-01), Berg
patent: 4402562 (1983-06-01), Sado
IBM Bulletin, Geil et al., vol. 13, No. 7, p. 1943, 12-1970.
Sid International Symposium Digest, Metal-Elastomer Connectors, pp. 64, 65, 5-1979.
Kasdagly Dino G.
Little Robert W.
Abrams Neil
International Business Machines Corp.
Levy Mark
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