US3121852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ohmic contacts on semiconductors
Assignee: Motors Liquidation Co
•
Filing: 1960-04-18
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Granted: 1964-02-18
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Expires: 1980-04-18
Abstract
No abstract record available.
Inventors
- 👤 David R Boyd
- 👤 Yro T Sihvonen
- 👤 Calvin D Woelke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:01
CPC Classifications
H; H10; H10F; H10F71/00; H10F71/138; C; C23; C23C; C23C14/00; C23C14/0021; C23C14/0036; H10P; H10P95/00; Y; Y02; Y02E; Y02E10/00; Y02E10/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A RADIATION SENSITIVE SEMICONDUCTOR DEVICE COMPRISING A SEMICONDUCTOR ELEMENT AND AT LEAST ONE CLEAR ELECTRICALLY CONDUCTIVE FILM THEREON OF AN OXYGEN-SPUTTERED ALLOY CONTAINING ABOUT 10% TO 70%, BY WEIGHT, TIN AND THE BALANCE SUBSTANTIALLY INDIUM.
Claim 2
Dependent Claim
35 words
A RADIATION SENSITIVE SEMICONDUCTOR DEVICE COMPRISING A SEMICONDUCTOR ELEMENT AND AT LEAST ONE CLEAR ELECTRICALLY CONDUCTIVE FILM THEREON OF AN OXYGEN-SPUTTERED ALLOY CONTAINING ABOUT 10% TO 70%, BY WEIGHT, TIN AND THE BALANCE SUBSTANTIALLY INDIUM.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-17 | 1967-08-19 | 1968-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-17 | 1971-08-19 | 1972-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-17 | 1975-08-19 | 1976-02-18 | $7700.00 | Window Closed / Lapsed |