US3147412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Junction rectifier of boron phosphide having boron-to-phosphorus atomic ratio of 6 to 100
Assignee: Monsanto Co
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Filing: 1960-10-27
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Granted: 1964-09-01
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Expires: 1980-10-27
Abstract
No abstract record available.
Inventors
- 👤 Dale E Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:29
CPC Classifications
H; H10; H10D; H10D62/00; H10D62/80; H10D62/85; H10D62/854; H10D99/00; H10P; H10P95/00; H10P95/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A HIGH TEMPERATURE RECTIFYING DEVICE COMPRISING A SEMICONDUCTOR BODY OF A CRYSTALLINE BORON PHOSPHIDE HAVING A BORON-TO-PHOSPHORUS ATOMIC RATIO WITHIN THE RANGE OF FROM 6 TO 1 TO 100 TO 1, A HIGH MELTING POINT CONDUCTOR ATTACHED TO SAID SEMICONDUCTOR BODY FORMING AN OHMIC JUNCTION THEREON, AND A RECTIFYING CONTACT ELECTRODE ATTACHED TO AND FORMING A P-N JUNCTION WITH SAID SEMICONDUCTOR BODY.
Claim 2
Dependent Claim
62 words
A HIGH TEMPERATURE RECTIFYING DEVICE COMPRISING A SEMICONDUCTOR BODY OF A CRYSTALLINE BORON PHOSPHIDE HAVING A BORON-TO-PHOSPHORUS ATOMIC RATIO WITHIN THE RANGE OF FROM 6 TO 1 TO 100 TO 1, A HIGH MELTING POINT CONDUCTOR ATTACHED TO SAID SEMICONDUCTOR BODY FORMING AN OHMIC JUNCTION THEREON, AND A RECTIFYING CONTACT ELECTRODE ATTACHED TO AND FORMING A P-N JUNCTION WITH SAID SEMICONDUCTOR BODY.
References Cited (Backward Citations)
GB719873A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |