Zero insertion force pin grid array socket

Details Zero insertion force pin grid array socket Zero insertion force pin grid array socket

1994-11-29

1997-01-28

Abrams, Neil

Electrical connectors

With coupling movement-actuating means or retaining means in...

Including compound movement of coupling part

H01R 450

Patent

active

055973191

ABSTRACT:
A zero insertion force pin grid array socket includes a cover slidably engaged to a base and having an array of holes formed therethrough. The base has an array of corresponding passages, the passages receiving pins of an IC package inserted through corresponding holes of the cover. Contacts are mounted within the passages and are mounted at an angle askew to the sides of the base in order to provide a high density interstitial array. The contacts include torsional beams which deflect upon the engagement of the pin of the IC package which have a surface area of at least thirty percent of the entire surface area of contacts. The contacts include a wiping area which is plated which has a surface area of less than a fortieth of the entire surface area of the contact.

REFERENCES:
patent: 3977748 (1976-08-01), Gruhn et al.
patent: 5269712 (1993-12-01), Denlinger et al.
patent: 5342214 (1994-08-01), Hsu
patent: 5387121 (1995-02-01), Kurz
3M, Electronic Interconnection Systems: Product Selection Guide, with reference in particular to the Textool Test and Interconnect Systems at p. 15.

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