US3564358A
Expired / Lapsed
US
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Integrated circuit structure containing multiple sandwich layers of monocrystalline semiconductor and insulator material
Assignee: Siemens AG
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Filing: 1968-11-13
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Granted: 1971-02-16
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Expires: 1988-11-13
Abstract
Abstract THIS IS AN INTEGRATED CIRCUIT STRUCTURE HAVING SEVERAL SILICON LAYERS ELECTRICALLY ISOLATED AND CAPACITIVELY DECOUPLED FROM EACH SUCCEEDING LAYER BY MEANS OF INTERMEDIAT INSULATING LAYERS OF ALUMINUM SILICATES, SAID LAYERS BEING SUCCESSIVELY DEPOSITED ON A SILICON SUBSTRATE. D R A W I N G
Inventors
- 👤 Alfons Hahnlein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:38
CPC Classifications
H; H10; H10D; H10D88/00; H10D99/00; H10P; H10P95/00; H10W; H10W74/00; H10W74/40; H10W74/43; H10W74/10; H10W74/15; H10W90/00; H10W90/701; H10W90/721; H10W90/722; H10W90/731; H10W90/732; Y; Y10; Y10S; Y10S148/00; Y10S148/085; Y10S148/118; Y10S148/15; Y10S148/152; Y10S148/164; Y10S438/00; Y10S438/967
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) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |