US2757323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Full wave asymmetrical semi-conductor devices
Assignee: General Electric Co
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Filing: 1952-02-07
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Granted: 1956-07-31
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Expires: 1972-02-07
Abstract
No abstract record available.
Inventors
- 👤 John P Jordan
- 👤 Addison C Sheckler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:08
CPC Classifications
H; H10; H10D; H10D99/00; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/60; H10D84/00; H10D84/60; H10D84/645; Y; Y10; Y10S; Y10S257/00; Y10S257/909
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A FULL WAVE ASYMMETRICAL CONDUCTIVE DEVICE COMPRISING A WAFER OF SEMI-CONDUCTOR MATERIAL, A PAIR OF DISCRETE IMPURITY DIFFUSED REGIONS ON ONE FACE OF SAID WAFER AND PROVIDING WITH SAID WAFER TWO INDEPENDENT RECTIFICATION BARRIERS, THE IMPURITIES BEING SELECTED FROM IMPURITY CLASSES INCLUDING BOTH THE DONOR CLASS AND ACCEPTOR CLASS BUT WITH BOTH IMPURITIES SELECTED FROM THE SAME CLASS, AND AN ELECTRODE CONNECTED TO AN OPPOSED FACE OF SAID WAFER BY MEANS INCLUDING AN IMPURITY SELECTED FROM THE OTHER OF SAID CLASSES.
Claim 2
Dependent Claim
81 words
A FULL WAVE ASYMMETRICAL CONDUCTIVE DEVICE COMPRISING A WAFER OF SEMI-CONDUCTOR MATERIAL, A PAIR OF DISCRETE IMPURITY DIFFUSED REGIONS ON ONE FACE OF SAID WAFER AND PROVIDING WITH SAID WAFER TWO INDEPENDENT RECTIFICATION BARRIERS, THE IMPURITIES BEING SELECTED FROM IMPURITY CLASSES INCLUDING BOTH THE DONOR CLASS AND ACCEPTOR CLASS BUT WITH BOTH IMPURITIES SELECTED FROM THE SAME CLASS, AND AN ELECTRODE CONNECTED TO AN OPPOSED FACE OF SAID WAFER BY MEANS INCLUDING AN IMPURITY SELECTED FROM THE OTHER OF SAID CLASSES.
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) | 1959-07-31 | 1960-01-30 | 1960-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-31 | 1964-01-30 | 1964-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-31 | 1968-01-30 | 1968-07-31 | $7700.00 | Window Closed / Lapsed |