US2811653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor devices
Assignee: RCA Corp
•
Filing: 1953-05-22
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Granted: 1957-10-29
•
Expires: 1973-05-22
Abstract
No abstract record available.
Inventors
- 👤 Arnold R Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:41
CPC Classifications
H; H10; H10D; H10D10/00; H10D62/00; H10D62/10; H10D62/60; H10D99/00; H10F; H10F30/00; H10F30/20; H10P; H10P32/00; H10P32/10; H10P32/16; H10P95/00; H10P95/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A SEMICONDUCTOR DEVICE COMPRISIGN A BODY OF CRYSTALLINE SEMICONDUCTOR MATERIAL CONSISTING OF A PLURALITY OF LAYERS OF SEMICONDUCTOR MATERIALS INCLUDING IN ORDER A FIRST LAYER OF ONE TYPE OF CONDUCTIVITY MATERIAL, A SECOND LAYER OF OPPOSITE CONDUCTIVITY TYPE OF CONDUCTIVTY AS SAID LAYER OF MATERIAL OF THE SAME TYPE OF CONDUCTIVITY AS SAID SECOND LAYER, SAID SECOND LAYER HAVING A HIGHER CONDUCTIVITY THAN SAID THIRD LAYER, AND A FOURTH LAYER OF MATERIAL OF THE SAME TYPE OF CONDUCTIVITY AS SAID FIRST LAYER.
Claim 2
Dependent Claim
82 words
A SEMICONDUCTOR DEVICE COMPRISIGN A BODY OF CRYSTALLINE SEMICONDUCTOR MATERIAL CONSISTING OF A PLURALITY OF LAYERS OF SEMICONDUCTOR MATERIALS INCLUDING IN ORDER A FIRST LAYER OF ONE TYPE OF CONDUCTIVITY MATERIAL, A SECOND LAYER OF OPPOSITE CONDUCTIVITY TYPE OF CONDUCTIVTY AS SAID LAYER OF MATERIAL OF THE SAME TYPE OF CONDUCTIVITY AS SAID SECOND LAYER, SAID SECOND LAYER HAVING A HIGHER CONDUCTIVITY THAN SAID THIRD LAYER, AND A FOURTH LAYER OF MATERIAL OF THE SAME TYPE OF CONDUCTIVITY AS SAID FIRST LAYER.
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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) | 1960-10-28 | 1961-04-29 | 1961-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-28 | 1965-04-29 | 1965-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-28 | 1969-04-29 | 1969-10-29 | $7700.00 | Window Closed / Lapsed |