US3148284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semi-conductor apparatus with field-biasing means
Assignee: Zenith Electronics LLC
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Filing: 1959-01-30
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Granted: 1964-09-08
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Expires: 1979-01-30
Abstract
No abstract record available.
Inventors
- 👤 Wertwijn George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:32
CPC Classifications
H; H10; H10D; H10D10/00; H10D30/00; H10D30/80; H10D84/00; H10D84/80; H10D84/86; H10D99/00; H10D62/00; H10D62/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A SEMI-CONDUCTOR APPARATUS COMPRISING: A SEMICONDUCTOR BODY HAVING A FIRST CONDUCTIVITY ZONE OF ONE TYPE AND HAVING A PAIR OF CONDUCTIVITY ZONES OF A SECOND TYPE SEPARATED FROM ONE ANOTHER AND DISPOSED ADJACENT SAID FIRST ZONE TO CONSTITUTE THEREWITH A PAIR OF JUNCTIONS; ELECTRODES IN OHMIC CONTACT WITH EACH OF SAID ZONES; MEANS, INCLUDING A BIAS SOURCE CONNECTED TO SAID ELECTRODES, FOR DEVELOPING A POTENTIAL GRADIENT IN SAID FIRST ZONE WHICH ESTABLISHES A DEPLETION FIELD IN SAID FIRST ZONE ENCOMPASSING A PARTICULAR ONE OF SAID JUNCTIONS AND WHICH TENDS TO ESTABLISH A DIFFERENCE OF POTENTIAL ACROSS SAID ONE JUNCTION; AND MEANS CONNECTED TO SAID ONE JUNCTION FOR ESTABLISHING IN SAID APPARATUS A SIGNAL-TRANSLATING LOAD CIRCUIT IN WHICH THE STATIC DIRECT CURRENT IS SUBSTANTIALLY ZERO.
Claim 2
Dependent Claim
124 words
A SEMI-CONDUCTOR APPARATUS COMPRISING: A SEMICONDUCTOR BODY HAVING A FIRST CONDUCTIVITY ZONE OF ONE TYPE AND HAVING A PAIR OF CONDUCTIVITY ZONES OF A SECOND TYPE SEPARATED FROM ONE ANOTHER AND DISPOSED ADJACENT SAID FIRST ZONE TO CONSTITUTE THEREWITH A PAIR OF JUNCTIONS; ELECTRODES IN OHMIC CONTACT WITH EACH OF SAID ZONES; MEANS, INCLUDING A BIAS SOURCE CONNECTED TO SAID ELECTRODES, FOR DEVELOPING A POTENTIAL GRADIENT IN SAID FIRST ZONE WHICH ESTABLISHES A DEPLETION FIELD IN SAID FIRST ZONE ENCOMPASSING A PARTICULAR ONE OF SAID JUNCTIONS AND WHICH TENDS TO ESTABLISH A DIFFERENCE OF POTENTIAL ACROSS SAID ONE JUNCTION; AND MEANS CONNECTED TO SAID ONE JUNCTION FOR ESTABLISHING IN SAID APPARATUS A SIGNAL-TRANSLATING LOAD CIRCUIT IN WHICH THE STATIC DIRECT CURRENT IS SUBSTANTIALLY ZERO.
References Cited (Backward Citations)
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US2666814A
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US2672528A
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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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |