US2996800A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making ohmic connections to silicon semiconductors
Assignee: Texas Instruments Inc
•
Filing: 1956-11-28
•
Granted: 1961-08-22
•
Expires: 1976-11-28
Abstract
No abstract record available.
Inventors
- 👤 Lester C Holly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:58
CPC Classifications
H; H10; H10P; H10P95/00; H10P95/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A METHOD OF ATTACHING ELECTRICAL CONNECTIONS TO SILICON THAT COMPRISES SOLDERING THE CONNECTIONS TO THE SILICON WITH AN ALLOY COMPRISING APPROXIMATELY 4% GERMANIUM AND 96% SILVER, USING MOLTEN CESIUM FLUORIDE AS THE SOLDER FLUX.
Claim 2
Independent Claim
34 words
A METHOD OF ATTACHING ELECTRICAL CONNECTIONS TO SILICON THAT COMPRISES SOLDERING THE CONNECTIONS TO THE SILICON WITH AN ALLOY COMPRISING APPROXIMATELY 4% GERMANIUM AND 96% SILVER, USING MOLTEN CESIUM FLUORIDE AS THE SOLDER FLUX.
References Cited (Backward Citations)
GB487597A
Cited
US2759133A
Cited
US2807561A
Cited
US2763822A
Cited
US2777101A
Cited
US2801375A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |