US3072890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron spin echo storage system
Assignee: International Business Machines Corp
•
Filing: 1958-12-15
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Granted: 1963-01-08
•
Expires: 1978-12-15
Abstract
No abstract record available.
Inventors
- 👤 William V Smith
- 👤 Peter P Sorokin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:47
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/02; G11C11/16; G11C13/00; G11C13/04; G11C13/06; H; H01; H01P; H01P7/00; H01S; H01S1/00; H01S1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
AN INFORMATION STORAGE SYSTEM COMPRISING A HIGH EFFICIENCY MICROWAVE RESONANT CAVITY CHARACTERIZED BY OPERATION IN THE DEGENERATE MODE AND HAVING SIMULTANEOUSLY A Q BELOW 100, AND WHEREIN ONE DIMENSION OF THE CAVITY IS SMALL COMPARED WITH THE OPERATING WAVELENGTH, A PARAMAGNETIC ELECTRON SPIN ECHO CHEMICAL SUBSTANCE LOCATED IN THE CENTER OF SAID CAVITY, MEANS FOR SUPPLYING A STORAGE PULSE TO SAID CAVITY, MEANS FOR SUPPLYING A RECOLLECTION PULSE TO SAID CAVITY, AND MEANS FOR COUPLING AN OUTPUT PULSE FROM THE ELECTRON SPIN ECHO MATERIAL TO EXTERNAL CIRCUIT MEANS A SHORT TIME INTERVAL AFTER THE RECOLLECTION PULSE FROM SAID LAST NAME MEANS, SAID INPUT MEANS AND SAID OUTPUT MEANS BEING SUBSTANTIALLY ISOLATED FROM EACH OTHER.
Claim 2
Dependent Claim
114 words
AN INFORMATION STORAGE SYSTEM COMPRISING A HIGH EFFICIENCY MICROWAVE RESONANT CAVITY CHARACTERIZED BY OPERATION IN THE DEGENERATE MODE AND HAVING SIMULTANEOUSLY A Q BELOW 100, AND WHEREIN ONE DIMENSION OF THE CAVITY IS SMALL COMPARED WITH THE OPERATING WAVELENGTH, A PARAMAGNETIC ELECTRON SPIN ECHO CHEMICAL SUBSTANCE LOCATED IN THE CENTER OF SAID CAVITY, MEANS FOR SUPPLYING A STORAGE PULSE TO SAID CAVITY, MEANS FOR SUPPLYING A RECOLLECTION PULSE TO SAID CAVITY, AND MEANS FOR COUPLING AN OUTPUT PULSE FROM THE ELECTRON SPIN ECHO MATERIAL TO EXTERNAL CIRCUIT MEANS A SHORT TIME INTERVAL AFTER THE RECOLLECTION PULSE FROM SAID LAST NAME MEANS, SAID INPUT MEANS AND SAID OUTPUT MEANS BEING SUBSTANTIALLY ISOLATED FROM EACH OTHER.
References Cited (Backward Citations)
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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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |