Patent US2914715A successfully refreshed from Google Patents.
US2914715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor diode
Assignee: AT&T Inc
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Filing: 1956-07-02
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Granted: 1959-11-24
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Expires: 1976-07-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Arthur Uhlir
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:42
CPC Classifications
H; H10; H10D; H10D62/00; H10D62/10; H10D62/60; H10D99/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A SEMICONDUCTOR DIODE INCLUDING ONLY ONE RECTIFYING BARRIER AND COMPRISING A SEMICONDUCTOR BODY INCLUDING A FIRST ZONE OF ONE CONDUCTIVITY TYPE, A SECOND ZONE OF THE OPPOSITE CONDUCTIVITY TYPE INCLUDING A LAYER CONTIGUOUS WITH SAID FIRST ZONE WHICH IS CHARACTERIZED BY A SPECIFIC RESISTIVITY WHICH INCREASES WITH DISTANCE AWAY FROM SAID FIRST ZONE DEEPER INTO SAID SECOND ZONE, AND A SEPARATE LOW RESISTANCE ELECTRODE CONNECTION TO EACH OF
Claim 2
Dependent Claim
68 words
A SEMICONDUCTOR DIODE INCLUDING ONLY ONE RECTIFYING BARRIER AND COMPRISING A SEMICONDUCTOR BODY INCLUDING A FIRST ZONE OF ONE CONDUCTIVITY TYPE, A SECOND ZONE OF THE OPPOSITE CONDUCTIVITY TYPE INCLUDING A LAYER CONTIGUOUS WITH SAID FIRST ZONE WHICH IS CHARACTERIZED BY A SPECIFIC RESISTIVITY WHICH INCREASES WITH DISTANCE AWAY FROM SAID FIRST ZONE DEEPER INTO SAID SECOND ZONE, AND A SEPARATE LOW RESISTANCE ELECTRODE CONNECTION TO EACH OF
References Cited (Backward Citations)
US2597028A
Cited
US2764642A
Cited
US2767358A
Cited
FR1098372A
Cited
US2811653A
Cited
US2810870A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |