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US3371326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thin film plated wire memory
Assignee: Unisys Corp
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Filing: 1963-06-18
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Granted: 1968-02-27
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Expires: 1983-06-18
Abstract
No abstract record available.
Inventors
- 👤 George A Fedde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:21
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/02; G11C11/14; G11C11/155
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A MEMORY DEVICE COMPRISING, A FIRST GROUND PLANE HAVING FIRST AND SECOND SURFACES, SAID GROUND PLANE HAVING AT LEAST ONE GROOVE FORMED ALONG BOTH SAID FIRST AND SECOND SURFACES, A SECOND GROUND PLANE HAVING FIRST AND SECOND SURFACES WHEREIN SAID FIRST SURFACE HAS AT LEAST ONE GROOVE FORMED ON ITS FIRST SURFACE, SAID FIRST SURFACES OF SAID FIRST AND SECOND GROUND PLANES, RESPECTIVELY, BEING PLACED IN JUXTAPOSITION AND SUBSTANTIALLY PARALLEL TO ONE ANOTHER, DATA STORAGE MEANS POSITIONED IN SAID SPACED GROOVES OF SAID GROUND PLANE, SAID DATA STORAGE MEANS COMPRISING A THIN FILM HAVING THE PROPERTY OF UNIAXIAL ANISOTROPY FORMED ON THE SURFACE OF A SIGNAL CONDUCTING MEANS, SAID UNIAXIAL ANISOTROPY ESTABLISHING "EASY" AND "HARD" DIRECTIONS OF MAGNETIZATION, THE MAGNETIZATION VECTORS OF SAID FILM BEING NORMALLY ORIENTED IN ONE OF TWO EQUILIBRIUM POSITIONS ALONG SAID "EASY" DIRECTION OF MAGNETIZATION, A FLUX GENERATOR MEANS POSITIONED IN CLOSE PROXIMITY TO SAID FIRST AND SECOND GROUND PLANES TO GEN-
Claim 2
Dependent Claim
156 words
A MEMORY DEVICE COMPRISING, A FIRST GROUND PLANE HAVING FIRST AND SECOND SURFACES, SAID GROUND PLANE HAVING AT LEAST ONE GROOVE FORMED ALONG BOTH SAID FIRST AND SECOND SURFACES, A SECOND GROUND PLANE HAVING FIRST AND SECOND SURFACES WHEREIN SAID FIRST SURFACE HAS AT LEAST ONE GROOVE FORMED ON ITS FIRST SURFACE, SAID FIRST SURFACES OF SAID FIRST AND SECOND GROUND PLANES, RESPECTIVELY, BEING PLACED IN JUXTAPOSITION AND SUBSTANTIALLY PARALLEL TO ONE ANOTHER, DATA STORAGE MEANS POSITIONED IN SAID SPACED GROOVES OF SAID GROUND PLANE, SAID DATA STORAGE MEANS COMPRISING A THIN FILM HAVING THE PROPERTY OF UNIAXIAL ANISOTROPY FORMED ON THE SURFACE OF A SIGNAL CONDUCTING MEANS, SAID UNIAXIAL ANISOTROPY ESTABLISHING "EASY" AND "HARD" DIRECTIONS OF MAGNETIZATION, THE MAGNETIZATION VECTORS OF SAID FILM BEING NORMALLY ORIENTED IN ONE OF TWO EQUILIBRIUM POSITIONS ALONG SAID "EASY" DIRECTION OF MAGNETIZATION, A FLUX GENERATOR MEANS POSITIONED IN CLOSE PROXIMITY TO SAID FIRST AND SECOND GROUND PLANES TO GEN-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |