Electrical connectors – With coupling movement-actuating means or retaining means in... – Including compound movement of coupling part
Patent
1994-12-30
1996-12-31
Vu, Hien D.
Electrical connectors
With coupling movement-actuating means or retaining means in...
Including compound movement of coupling part
439259, H01R 450
Patent
active
055888615
ABSTRACT:
The present invention provides a pin grid array (PGA) socket for electrically connecting pins of an integrated circuit to a circuit substrate. The PGA socket according to the invention included a cover having insertion holes arranged in rows and columns for receiving the pins of the integrated circuit and a base for supporting a plurality of deflectable contacts. The cover provides a buttress extending from each insertion hole. The contacts are preferably freely supported in the base and spaced on either about 0.5 inch centers or on about 0.1 inch centers. The centerlines of the insertion holes are correspondingly spaced approximately 0.5 inches or approximately 0.1 inches. The cover preferably provides a camming means. The cover can be slidably attached to the base to permit the cover to cam over the surface of the base. When the pins have been inserted through the insertion holes, the buttresses provide support for the pins of the integrated circuit as they are moved with the cover to interface with the contacts and while the interface between the contacts and the pins is maintained. In one preferred embodiment means are also provided to support the contacts.
REFERENCES:
patent: 4375309 (1983-03-01), Griffin
patent: 4420205 (1983-12-01), Kirkman
patent: 4674811 (1987-06-01), Corwin
patent: 4750891 (1988-06-01), Egawa
patent: 4887974 (1989-12-01), Ichimura et al.
patent: 4988310 (1991-01-01), Bright et al.
patent: 5342214 (1994-08-01), Hsu
patent: 5370549 (1994-12-01), Lee
ECN; ZIF PGA Sockets Product Literature.
PGA Socket arts insertion forces by up to two-thirds, ECN, 2 pages.
Berg Technology Inc.
Long Daniel J.
Page M. Richard
Vu Hien D.
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