US3079512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor devices comprising an esaki diode and conventional diode in a unitary structure
Assignee: International Business Machines Corp
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Filing: 1959-08-05
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Granted: 1963-02-26
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Expires: 1979-08-05
Abstract
No abstract record available.
Inventors
- 👤 Richard F Rutz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:22
CPC Classifications
H; H03; H03B; H03B7/00; H03B7/02; H03B7/06; H03B7/08; H10; H10D; H10D84/00; H10D84/60; H10D84/611; H10D84/613; H10D84/617; H10D99/00; H10P; H10P95/00; Y; Y10; Y10S; Y10S438/00; Y10S438/979
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A SEMICONDUCTOR DEVICE COMPRISING A BODY OF SEMICONDUCTOR MATERIAL INCLUDING A FIRST REGION OF ONE EXTRINSIC CONDUCTIVITY TYPE AND OF DEGENERATE MATERIAL, A SECOND REGION OF THE OPPOSITE EXTRINSIC CONDUCTIVITY TYPE AND OF DEGENERATE MATERIAL AND A THIRD REGION OF SAID OPPOSITE TYPE AND OF NONDEGENERATE MATERIAL, SAID FIRST REGION BEING SEPARATED FROM SAID SECOND AND THIRD REGIONS BY A BOUNDARY
Claim 2
Dependent Claim
61 words
A SEMICONDUCTOR DEVICE COMPRISING A BODY OF SEMICONDUCTOR MATERIAL INCLUDING A FIRST REGION OF ONE EXTRINSIC CONDUCTIVITY TYPE AND OF DEGENERATE MATERIAL, A SECOND REGION OF THE OPPOSITE EXTRINSIC CONDUCTIVITY TYPE AND OF DEGENERATE MATERIAL AND A THIRD REGION OF SAID OPPOSITE TYPE AND OF NONDEGENERATE MATERIAL, SAID FIRST REGION BEING SEPARATED FROM SAID SECOND AND THIRD REGIONS BY A BOUNDARY
References Cited (Backward Citations)
US2894862A
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US2778956A
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US2879409A
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US2894152A
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US2878148A
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US2954307A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |