US3109163A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Memory system and method utilizing a semiconductor containing a grain boundary
Assignee: General Mills Inc
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Filing: 1958-12-08
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Granted: 1963-10-29
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Expires: 1978-12-08
Abstract
No abstract record available.
Inventors
- 👤 Rolf K Mueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:32
CPC Classifications
G; G11; G11C; G11C13/00; G11C13/04; G11C13/047; G11C11/00; G11C11/21; G11C11/34; G11C11/39; H; H10; H10D; H10D99/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
IN A MEMORY SYSTEM, A PLURALITY OF SEMICONDUCTIVE CELLS IN THE FORM OF A MATRIX HAVING A GRAIN BOUNDARY SAID MATRIX CONSTITUTES A BLOCK OF SEMICONDUCTIVE MATERIAL HAVING UPPER AND LOWER SURFACES WITH SAID GRAIN BOUNDARY LYING THEREBETWEEN, SAID CELLS BEING FORMED BY A SET OF PARALLEL GROOVES EXTENDING FROM THE ONE SURFACE TO A LOCUS JUST BEYOND SAID GRAIN BOUNDARY TO PROVIDE A GROUP OF PARALLEL STRIPS EXTENDING IN ONE DIRECTION AND A SECOND SET OF PARALLEL GROOVES AT RIGHT ANGLES TO THE FIRST SET EXTENING FROM THE OPPOSITE SURFACE TO A LOCUS JUST BEYOND SAID GRAIN BOUNDARY TO FORM A SECOND GROUP OF PARALLEL STRIPS PERPENDICULAR TO THE FIRST, MEANS FOR SELECTIVELY APPLYING
Claim 2
Dependent Claim
115 words
IN A MEMORY SYSTEM, A PLURALITY OF SEMICONDUCTIVE CELLS IN THE FORM OF A MATRIX HAVING A GRAIN BOUNDARY SAID MATRIX CONSTITUTES A BLOCK OF SEMICONDUCTIVE MATERIAL HAVING UPPER AND LOWER SURFACES WITH SAID GRAIN BOUNDARY LYING THEREBETWEEN, SAID CELLS BEING FORMED BY A SET OF PARALLEL GROOVES EXTENDING FROM THE ONE SURFACE TO A LOCUS JUST BEYOND SAID GRAIN BOUNDARY TO PROVIDE A GROUP OF PARALLEL STRIPS EXTENDING IN ONE DIRECTION AND A SECOND SET OF PARALLEL GROOVES AT RIGHT ANGLES TO THE FIRST SET EXTENING FROM THE OPPOSITE SURFACE TO A LOCUS JUST BEYOND SAID GRAIN BOUNDARY TO FORM A SECOND GROUP OF PARALLEL STRIPS PERPENDICULAR TO THE FIRST, MEANS FOR SELECTIVELY APPLYING
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) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |