Patent US3424610A successfully refreshed from Google Patents.
US3424610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor depositing infra-sensitive antimony tritelluride
Assignee: United States Department of the Air Force
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Filing: 1965-10-14
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Granted: 1969-01-28
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Expires: 1985-10-14
Abstract
No abstract record available.
Inventors
- 👤 Stanley V Forgue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:35
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
125 words
THE PROCESS OF REACTING TOGETHER STOICHIOMETRIC WEIGHTS OF ANTIMONY AND OF TELLURIUM FOR TWO HOURS IN MAKING ANTIMONY TRITELLURIDE, GROWING A CRYSTAL VERTICALLY FROM THE REACTION PRODUCT OF STOICHIOMETRIC WEIGHTS OF ANTIMONY AND OF TELLURIUM, DEPOSITING UPON A SUBSTRATE A POROUS LAYER OF ANTIMONY TRITELLURIDE BY PLACING THE GROWN CRYSTAL OF ANTIMONY TRITELLURIDE IN A TANTALUM BOAT WITHIN A CHAMBER HAVING AN AIR ATMOSPHERE AND A PRESSURE OF FROM 1 TO 2 MILLIMETERS OF MERCURY AND MAINTAINED AT ABOUT 660*C., EVAPORATING FOR ABOUT THREE MINUTES THE ANTIMONY TRITELLURIDE FOR ACCOMPLISHING ITS DEPOSITION AS A POROUS LAYER ON THE SUBSTRATE, AND SUBSEQUENTLY BAKING THE POROUS LAYER AT 100*C. FOR ONE-HALF HOUR IN AN AIR ATMOSPHERE AT A PRESSURE OF ABOUT 1 TO 2 MILLIMETERS OF MERCURY.
Claim 2
Dependent Claim
125 words
THE PROCESS OF REACTING TOGETHER STOICHIOMETRIC WEIGHTS OF ANTIMONY AND OF TELLURIUM FOR TWO HOURS IN MAKING ANTIMONY TRITELLURIDE, GROWING A CRYSTAL VERTICALLY FROM THE REACTION PRODUCT OF STOICHIOMETRIC WEIGHTS OF ANTIMONY AND OF TELLURIUM, DEPOSITING UPON A SUBSTRATE A POROUS LAYER OF ANTIMONY TRITELLURIDE BY PLACING THE GROWN CRYSTAL OF ANTIMONY TRITELLURIDE IN A TANTALUM BOAT WITHIN A CHAMBER HAVING AN AIR ATMOSPHERE AND A PRESSURE OF FROM 1 TO 2 MILLIMETERS OF MERCURY AND MAINTAINED AT ABOUT 660*C., EVAPORATING FOR ABOUT THREE MINUTES THE ANTIMONY TRITELLURIDE FOR ACCOMPLISHING ITS DEPOSITION AS A POROUS LAYER ON THE SUBSTRATE, AND SUBSEQUENTLY BAKING THE POROUS LAYER AT 100*C. FOR ONE-HALF HOUR IN AN AIR ATMOSPHERE AT A PRESSURE OF ABOUT 1 TO 2 MILLIMETERS OF MERCURY.
References Cited (Backward Citations)
US2932592A
Cited
US3127226A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |