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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
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Abstract

No abstract record available.

Inventors

  • 👤 Wertwijn George

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 15:43
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)

US2600500A Cited
US2666814A Cited
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US2820154A Cited

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

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