Chip carrier mounting apparatus

Details Chip carrier mounting apparatus Chip carrier mounting apparatus

1985-09-04

1987-03-24

Tolin, G. P.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

361386, 339 61M, 339DIG3, H05K 720

Patent

active

046529730

ABSTRACT:
An apparatus for mounting ceramic chip carrier devices onto printed circuit boards. The apparatus includes an adapter assembly with contact terminals, which is positioned and secured by a plastic frame to the circuit board, a washer member containing magnetically aligned electrically conductive particles, and a cover or clip to maintain each contact terminal in engagement with the corresponding conductive particles to electrically couple the adapter assembly and printed circuit board with a chip carrier device. This design incorporates features of both metal and elastomeric contact systems. Alternative apparatus for mounting integrated circuit chips onto printed circuit boards is also disclosed. Such apparatus includes an insulating frame, an elastomeric washer member containing electrically conductive particles, and a cover for holding assemblage together. These designs may require a small number of holes in the circuit board or may provide for surface mounting instead.

REFERENCES:
patent: 3866307 (1975-02-01), Pfahl, Jr. et al.
patent: 3904102 (1975-09-01), Chu et al.
patent: 3917984 (1975-11-01), Kong et al.
patent: 4065197 (1977-12-01), Kuist et al.
patent: 4118102 (1978-10-01), Kuist et al.
patent: 4144648 (1979-03-01), Grovender
"Anisotropic Conduction in Elastomeric Composites", ECSG Connector Symposium Proc., Oct. 23-4, 1974, C. H. Kuist, pp 204-210.
New Product Disclosure by SP America, Elastomeric Connector Offers High-Density Connections Without Soldering, Electronic Pkg. & Production, Aug. 1985, p. 121.

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