US3723190A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing mercury cadmium telluride
Assignee: Honeywell Inc
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Filing: 1968-10-09
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Granted: 1973-03-27
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Expires: 1988-10-09
Abstract
Abstract A PROCESS IS DESCRIBED FOR PREPARING OR TREATING MERCURY CADMIUM TELLURIDE (HG1-XCDXTE) WHEREIN THE MATERIAL IS SUBJECTED TO TWO SEPARATE HEAT TREATMENT STEPS. THE TREATMENT IMPROVES INFERIOR OR MEDIOCRE INFRARED RADIATION DETECTOR MATERIAL IN A CONTROLLED MANNER WITHOUT ADVERSELY AFFECTING ORGINALLY GOOD MATERIAL THEREBY INCREASING PROCESS YIELD AND REPRODUCIBILITY.
Inventors
- 👤 P Kruse
- 👤 J Schmit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:50
CPC Classifications
H; H10; H10F; H10F71/00; H10F71/125; H10F71/1253; Y; Y10; Y10S; Y10S148/00; Y10S148/049; Y10S420/00; Y10S420/903; Y10S438/00; Y10S438/909
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) | 1976-03-26 | 1976-09-25 | 1977-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-26 | 1980-09-25 | 1981-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-26 | 1984-09-25 | 1985-03-27 | $7700.00 | Window Closed / Lapsed |