US3666450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoconductive ternary alloy of cadmium,selenium and mercury
Assignee: Panasonic Holdings Corp
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Filing: 1970-03-10
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Granted: 1972-05-30
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Expires: 1990-03-10
Abstract
Abstract A NOVEL PHOTOCONDUCTIVE CRYSTALLINE TERNARY ALLOW PREPARED FROM A HOST MATERIAL CONTAINING CADMIUM, SELENIUM AND MERCURY AND DOPED WITH AN ACTIVATOR AND COACTIVATOR, SAID HOST MATERIAL BEING FIRED AT LEAST ONCE UNTIL THE CRYSTALLIZATION THEREOF IS COMPLETE AND A PHOTOSENSITIVITY PEAKING UP IN THE INFRARED SPECTRAL RANGE IS ATTAINED. THE ACTIVATOR IS SELECTED FROM ANY OF IB GROUP ELEMENTS CONSISTING OF COPPER AND SILVER AND THE COACTIVATOR IS SELECTED FROM ANY OF VIIB GROUP ELEMENTS CONSISTING OF CHLORINE, BROMINE AND IODINE OR FROM ANY OF IIIB GROUP ELEMENTS CONSISTING OF ALUMINUM, GALLIUM INDIUM.
Inventors
- 👤 Tadao Nakamura
- 👤 Tadao Kohnashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:20
CPC Classifications
C; C22; C22F; C22F1/00; C22C; C22C28/00; C22F1/02; Y; Y10; Y10S; Y10S420/00; Y10S420/903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-30 | 1975-11-29 | 1976-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-30 | 1979-11-29 | 1980-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-30 | 1983-11-29 | 1984-05-30 | $7700.00 | Window Closed / Lapsed |