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US3117260A
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Semiconductor circuit complexes
Assignee: Fairchild Semiconductor Corp
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Filing: 1959-09-11
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Granted: 1964-01-07
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Expires: 1979-09-11
Abstract
No abstract record available.
Inventors
- 👤 Robert N Noyce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:19
CPC Classifications
H; H10; H10D; H10D84/00; H10D84/60; H10D84/611; H10D84/613; Y; Y10; Y10S; Y10S148/00; Y10S148/035; Y10S257/00; Y10S257/918
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
71 words
A SEMICONDUCTOR CIRCUIT COMPLEX FOR UNITARY SOLIDSTATE ELECTRONIC CIRCUITS COMPRISING A WAFER OF SEMICONDUCTING MATERIAL OF A FIRST POLARITY DIVIDED INTO SEPARATE ZONES BY A GRID OF SEMICONDUCTOR MATERIAL OF A DIFFERENT POLARITY, SAID GRID EXTENDING TRANSVERSELY THROUGH THE WAFER AND ISOLATING SAID ZONES BY PAIRS OF OPPOSITELY DISPOSED JUNCTION WITH EACH PORTION OF SAID GRID HAVING A WIDTH BETWEEN ZONES IN EXCESS OF THE DIFFUSION LENGTH OF MINORITY CARRIERS THEREIN.
References Cited (Backward Citations)
US2666814A
Cited
US2588254A
Cited
US2813048A
Cited
US2889469A
Cited
US3064167A
Cited
US2912598A
Cited
US2944165A
Cited
US2918628A
Cited
US2954307A
Cited
US2936384A
Cited
US2919299A
Cited
US3044909A
Cited
US2989713A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-06 | 1967-07-08 | 1968-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-06 | 1971-07-08 | 1972-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-06 | 1975-07-08 | 1976-01-07 | $7700.00 | Window Closed / Lapsed |