Patent US3113889A successfully refreshed from Google Patents.
US3113889A
Expired / Lapsed
US
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Method of vacuum depositing superconductive metal coatings
Assignee: SPACE TECHNOLOGY LAB Inc
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Filing: 1959-12-31
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Granted: 1963-12-10
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Expires: 1979-12-31
Abstract
No abstract record available.
Inventors
- 👤 John N Cooper
- 👤 Jr Eugene C Crittenden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:39
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/54; C23C14/541; H; H01; H01B; H01B1/00; H10; H10N; H10N60/00; H10N60/01; Y; Y10; Y10S; Y10S505/00; Y10S505/80; Y10S505/815; Y10S505/818; Y10S505/819
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A METHOD OF DEPOSITING A SUPERCONDUCTIVE METAL SELECTED FROM THE GROUP CONSISTING OF INDIUM AND TIN AS A UNIFORM FILM ON A SUBSTRATE, COMPRISING THE STEPS OF: PLACING SAID SUBSTRATE WITHIN AN EVACUATION CHAMBER; EVACUATING SAID CHAMBER REDUCING THE TEMPERATURE OF SAID SUBSTRATE TO A VALUE SLIGHTLY ABOVE THE TEMPERATURE AT WHICH RUPTURING OCCURS IN A FILM FORMED ON SAID SUBSTRATE FROM VAPORS OF SAID SUPERCONDUCTIVE METAL; VAPORIZING SAID SUPERCONDUCTING METAL; AND, WHILE MAINTAINING SAID SUBSTRATE AT SAID REDUCED TEMPERATURE, CAUSING VAPORS OF SAID SUPERCONDUCTIVE METAL TO DEPOSIT ON SAID SUBSTRATE UNTIL A THICKNESS OF LESS THAN .4 MICRON IS ACHIEVED, SAID REDUCED TEMPERATURE NOT EXCEEDING ZERO DEGREES CENTIGRADE.
Claim 2
Independent Claim
109 words
A METHOD OF DEPOSITING A SUPERCONDUCTIVE METAL SELECTED FROM THE GROUP CONSISTING OF INDIUM AND TIN AS A UNIFORM FILM ON A SUBSTRATE, COMPRISING THE STEPS OF: PLACING SAID SUBSTRATE WITHIN AN EVACUATION CHAMBER; EVACUATING SAID CHAMBER REDUCING THE TEMPERATURE OF SAID SUBSTRATE TO A VALUE SLIGHTLY ABOVE THE TEMPERATURE AT WHICH RUPTURING OCCURS IN A FILM FORMED ON SAID SUBSTRATE FROM VAPORS OF SAID SUPERCONDUCTIVE METAL; VAPORIZING SAID SUPERCONDUCTING METAL; AND, WHILE MAINTAINING SAID SUBSTRATE AT SAID REDUCED TEMPERATURE, CAUSING VAPORS OF SAID SUPERCONDUCTIVE METAL TO DEPOSIT ON SAID SUBSTRATE UNTIL A THICKNESS OF LESS THAN .4 MICRON IS ACHIEVED, SAID REDUCED TEMPERATURE NOT EXCEEDING ZERO DEGREES CENTIGRADE.
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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) | 1966-12-09 | 1967-06-10 | 1967-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-09 | 1971-06-10 | 1971-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-09 | 1975-06-10 | 1975-12-10 | $7700.00 | Window Closed / Lapsed |