US3182198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semi-conductor infrared radiation detecting and converting apparatus
Assignee: Raytheon Co
•
Filing: 1962-03-12
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Granted: 1965-05-04
•
Expires: 1982-03-12
Abstract
No abstract record available.
Inventors
- 👤 George W Mahlman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:13
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; H01J29/45; H01J29/458
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
APPARATUS FOR CONVERTING LONG WAVELGNTH ENERGY INTO ELECTRICAL SIGNALS COMPRISING A LONG WAVELENGTH RADIATION RESPONSIVE TARGET HAVING A SEMICONDUCTOR ELEMENT AND A RADIATION ABSORBER ELEMENT DISPOSED THEREON, THE WORK FUNCTION AT THE INTERFACE BETWEEN SAID SEMICONDUCTOR ELEMENT AND SAID ABSORBER ELEMENT BEING LESS THAN THE ENERGY LEVEL OF CHARGE CARRIERS EXCITED IN SAID ABSORBER ELEMENT, THE THICKNESS OF SAID ABSORBER ELEMENT BEING LESS
Claim 2
Dependent Claim
63 words
APPARATUS FOR CONVERTING LONG WAVELGNTH ENERGY INTO ELECTRICAL SIGNALS COMPRISING A LONG WAVELENGTH RADIATION RESPONSIVE TARGET HAVING A SEMICONDUCTOR ELEMENT AND A RADIATION ABSORBER ELEMENT DISPOSED THEREON, THE WORK FUNCTION AT THE INTERFACE BETWEEN SAID SEMICONDUCTOR ELEMENT AND SAID ABSORBER ELEMENT BEING LESS THAN THE ENERGY LEVEL OF CHARGE CARRIERS EXCITED IN SAID ABSORBER ELEMENT, THE THICKNESS OF SAID ABSORBER ELEMENT BEING LESS
References Cited (Backward Citations)
US3123737A
Cited
US2935711A
Cited
US2938141A
Cited
US2879424A
Cited
US2963390A
Cited
US2985783A
Cited
US3054917A
Cited
US3015034A
Cited
US2973434A
Cited
US3051839A
Cited
US3091693A
Cited
US3118063A
Cited
US3049622A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-03 | 1968-11-02 | 1969-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-03 | 1972-11-02 | 1973-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-03 | 1976-11-02 | 1977-05-04 | $7700.00 | Window Closed / Lapsed |