US4838799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
I.C. socket having conductive plastic contacts
Assignee: Texas Instruments Inc
•
Filing: 1987-07-16
•
Granted: 1989-06-13
•
Expires: 2007-07-16
Abstract
Abstract An IC socket which has contacts positioned corresponding to each pin position of an IC to be inserted and a body portion holding the contacts, characterized in that at least a part of the contact is formed of conductive resin.
Inventors
- 👤 Takashi Tonooka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:36
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/02; H05; H05K; H05K7/00; H05K7/02; H05K7/10; H05K7/1015; H05K7/103; H01R13/03; H01R13/035; H01R13/10; H01R13/11; H01R13/113; Y; Y10; Y10S; Y10S439/00; Y10S439/931
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
95 words
A socket for mounting an integrated circuit unit for burn-in testing of the unit having a plurality of conductive contacts, and a body mounting the contacts in a selected arrangement for contacting respective pins of an integrated circuit unit, characterized in that each contact comprises a metal pin at one end of the contact for attaching the contact to an external burn-in test circuit and a conductive resin material connected to the metal pin to provide the contact with a selected electrical resistance suitable for providing burn-in testing of an integrated circuit unit mounted thereon.
Claim 2
Dependent Claim
95 words
A socket for mounting an integrated circuit unit for burn-in testing of the unit having a plurality of conductive contacts, and a body mounting the contacts in a selected arrangement for contacting respective pins of an integrated circuit unit, characterized in that each contact comprises a metal pin at one end of the contact for attaching the contact to an external burn-in test circuit and a conductive resin material connected to the metal pin to provide the contact with a selected electrical resistance suitable for providing burn-in testing of an integrated circuit unit mounted thereon.
Claim 3
Dependent Claim
34 words
A socket according to claim 1 further characterized in that the conductive resin material forms an opposite end of the contact for making contact with a pin of an integrated circuit unit inserted therein.
Claim 4
Dependent Claim
25 words
A socket according to claim 2 further characterized in that the conductive resin material comprises a synthetic resin ingredient having a conductive powder material therein.
Claim 5
Dependent Claim
34 words
A socket according to claim 3 further characterized in that the conductive resin material in the contact has a thin metal film thereon providing the conductive resin with improved electrical stability and wear resistance.
Claim 6
Dependent Claim
22 words
A socket according to claim 4 further characterized in that the synthetic resin embodied in the conductive resin material comprises polyphenylene sulfide.
References Cited (Backward Citations)
US4260212A
Cited
US4460236A
Cited
US4684182A
Cited
US4717347A
Cited
US4679884A
Cited
US4747783A
Cited
US4786256A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-06-12 | 1992-12-12 | 1993-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-06-12 | 1996-12-12 | 1997-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-06-12 | 2000-12-12 | 2001-06-13 | $7700.00 | Window Closed / Lapsed |