US3263085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiation powered semiconductor devices
Assignee: RCA Corp
•
Filing: 1960-02-01
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Granted: 1966-07-26
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Expires: 1980-02-01
Abstract
No abstract record available.
Inventors
- 👤 Rappaport Paul
- 👤 Jr Edward Pasierb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:09
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/78; H03K3/00; H03K3/02; H03K3/313; H03K3/315; H03K3/42; H10; H10F; H10F99/00; Y; Y10; Y10S; Y10S136/00; Y10S136/291
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
113 words
A SEMICONDUCTOR DEVICE COMPRISING A SINGLE CRYSTAL SEMICONDUCTOR BODY OF GALLIUM ARSENIDE, A FIRST CONVENTIONAL P-N JUNCTION IN SAID BODY AT LEAST A PORTION OF WHICH IS SUBSTANTIALLY PARALLEL TO AND WITHIN A DUFFUSION LENGTH FOR MINORITY CHARGE CARRIERS OF A SURFACE OF SAID BODY, MEANS FOR DIRECTING RADIANT ENERGY INCIDENT UPON SAID SURFACE, NON-RECTIFYING ELECTRODE MEANS AT LEAST PARTIALLY TRANSPARENT TO SAID RADIANT ENERGY CONTACTING SAID SURFACE, AND A SECOND TUNNEL P-N JUNCTION IN SAID BODY BETWEEN AND SPACED FROM BOTH SAID CONVENTIONAL P-N JUNCTION AND SAID SURFACE, SAID TUNNEL P-N JUNCTION BEING CHARACTERIZED BY EXHIBITING A NEGATIVE RESISTANCE CHARACTERISTIC WHEN BIASED IN A RANGE OF LOW VOLTAGE IN THE FORWARD DIRECTION
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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) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |