Patent US3788894A successfully refreshed from Google Patents.
US3788894A
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Method of manufacturing an mnos storage element
Assignee: Telefunken Electronic GmbH
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Filing: 1971-12-23
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Granted: 1974-01-29
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Expires: 1991-12-23
Abstract
Abstract A METHOD OF MANUFACTURING AN MNOS STORAGE ELEMENT INCLUDING FORMING AN OXIDE LAYER BY GLOW DISCHARGE TREATMENT OF TH SEMICONDUCTOR BODY IN OXYGEN, FORMING A NITRIDE LAYER ON THE OXIDE LAYER BY GLOW DISCHARGE TREATMENT FROM THE GASES SIH4 AND N2 AND FORMING A METAL LAYER ON THE NITRIDE LAYER AS A GATE ELECTRODE.
Inventors
- 👤 W Scherber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:35
CPC Classifications
H; H10; H10D; H10D1/00; H10D1/60; H10D1/62; H10D1/66; H10D30/00; H10D30/60; H10D30/69; H10W; H10W74/00; H10W74/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-01-28 | 1977-07-30 | 1978-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-28 | 1981-07-30 | 1982-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-28 | 1985-07-30 | 1986-01-29 | $7700.00 | Window Closed / Lapsed |