US2953529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductive radiation-sensitive device
Assignee: RCA Corp
•
Filing: 1957-04-01
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Granted: 1960-09-20
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Expires: 1977-04-01
Abstract
No abstract record available.
Inventors
- 👤 Melvin L Schultz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:05
CPC Classifications
H; H01; H01B; H01B1/00; G; G01; G01K; G01K7/00; G01K7/16; G01K7/22; H10; H10P; H10P95/00; Y; Y10; Y10S; Y10S148/00; Y10S148/059; Y10S148/062; Y10S148/107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
AN INFRARED RADIATION-DETECTING DEVICE INCLUDING A BODY OF CRYSTALLINE GERMANIUM-SILICON ALLOY HAVING IN ITS CRYSTAL LATTICE ATOMS OF AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF GOLD, COPPER AND INDIUM, THE CONCENTRATION OF SAID ELEMENT IN SAID ALLOY BEING AT LEAST ABOUT 10**14 ATOMS PER CC., THE SILICON CONTENT OF SAID ALLOY BEING FROM ABOUT 7 TO 20% WHEN SAID ELEMENT IS GOLD OR COPPER AND ABOUT 69 TO 95% WHEN SAID ELEMENT IS INDIUM, WHEREBY AN IONIZATION ENERGY LEVEL BETWEN ABOUT 0.08 AND 0.14 ELECTRON VOLTS IS ESTABLISHED IN SAID BODY.
Claim 2
Dependent Claim
92 words
AN INFRARED RADIATION-DETECTING DEVICE INCLUDING A BODY OF CRYSTALLINE GERMANIUM-SILICON ALLOY HAVING IN ITS CRYSTAL LATTICE ATOMS OF AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF GOLD, COPPER AND INDIUM, THE CONCENTRATION OF SAID ELEMENT IN SAID ALLOY BEING AT LEAST ABOUT 10**14 ATOMS PER CC., THE SILICON CONTENT OF SAID ALLOY BEING FROM ABOUT 7 TO 20% WHEN SAID ELEMENT IS GOLD OR COPPER AND ABOUT 69 TO 95% WHEN SAID ELEMENT IS INDIUM, WHEREBY AN IONIZATION ENERGY LEVEL BETWEN ABOUT 0.08 AND 0.14 ELECTRON VOLTS IS ESTABLISHED IN SAID BODY.
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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) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |