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US3196282A
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Thin-cryotron with critical gate thickness
Assignee: International Business Machines Corp
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Filing: 1960-05-17
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Granted: 1965-07-20
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Expires: 1980-05-17
Abstract
No abstract record available.
Inventors
- 👤 William B Ittner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:57
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/44; H; H10; H10N; H10N60/00; H10N60/30; H10N60/35; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/856; Y10S505/857; Y10S505/86; Y10S505/862
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A THIN FILM SUPERCONDUCTIVE SWITCHING DEVICE COMPRISING: A PLANAR SUPERCONDUCTIVE GATE CONDUCTOR AND A PLANAR SUPERCONDUCTIVE CONTRO CONDUCTOR ARRANGED IN MAGNETIC FIELD APPLYING RELATIONSHIP THEREWITH; SAID GATE CONDUCTOR CONSISTING OF A SUPERCONDUCTIVE MATERIAL EXHIBITING A PREDETERMINED VALUE OF RESISTIVITY; AND MEANS MAINTAINING SAID DEVICE AT A PREDETERMINED TEMPERATURE AT WHICH SAID GATE AND CONTROL CONDUCTORS ARE EACH SUPERCONDUCTING; SAID GATE CONDUCTOR BEING OF A THICKNESS TO REDUCE TO SUBSTANTIALLY ZERO THE SLOPE OF THE INDUCTANCETO-RESISTANCE TIME CONSTANT V ERSUS GATE CONDUCTOR THICKNESS CURVE OF SAID DEVICE, WHEREBY SAID DEVICE EXHIBITS THE MINIMUM SWITCHING TIME AS DETERMINED BY SAID PREDETERMINED VALUE OF RESISTIVITY AT SAID PREDETERMINED TE
Claim 2
Dependent Claim
106 words
A THIN FILM SUPERCONDUCTIVE SWITCHING DEVICE COMPRISING: A PLANAR SUPERCONDUCTIVE GATE CONDUCTOR AND A PLANAR SUPERCONDUCTIVE CONTRO CONDUCTOR ARRANGED IN MAGNETIC FIELD APPLYING RELATIONSHIP THEREWITH; SAID GATE CONDUCTOR CONSISTING OF A SUPERCONDUCTIVE MATERIAL EXHIBITING A PREDETERMINED VALUE OF RESISTIVITY; AND MEANS MAINTAINING SAID DEVICE AT A PREDETERMINED TEMPERATURE AT WHICH SAID GATE AND CONTROL CONDUCTORS ARE EACH SUPERCONDUCTING; SAID GATE CONDUCTOR BEING OF A THICKNESS TO REDUCE TO SUBSTANTIALLY ZERO THE SLOPE OF THE INDUCTANCETO-RESISTANCE TIME CONSTANT V ERSUS GATE CONDUCTOR THICKNESS CURVE OF SAID DEVICE, WHEREBY SAID DEVICE EXHIBITS THE MINIMUM SWITCHING TIME AS DETERMINED BY SAID PREDETERMINED VALUE OF RESISTIVITY AT SAID PREDETERMINED TE
References Cited (Backward Citations)
US2966647A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |