US3267338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integrated circuit process and structure
Assignee: International Business Machines Corp
•
Filing: 1961-04-20
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Granted: 1966-08-16
•
Expires: 1981-04-20
Abstract
No abstract record available.
Inventors
- 👤 John C Marinace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:06
CPC Classifications
H; H10; H10D; H10D84/00; H10D84/201; H10D84/204; H10D99/00; H10P; H10P10/00; H10P10/12; H10P95/00; Y; Y10; Y10S; Y10S438/00; Y10S438/905; Y10S438/933; Y10S438/979
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A COMPOSITE SEMICONDUCTOR CRYSTALLINE STRUCTURE COMPRISING A SEMICONDUCTOR BODY HAVING A SURFACE DEFINED BY AT LEAST TWO CONTIGUOUS REGIONS, A FIRST REGION CONSTITUTED OF A FIRST SEMICONDUCTOR MATERIAL, A SECOND REGION CONSTITUTED OF A SECOND, DIFFERENT, SEMICONDUCTOR MATERIAL; AND A QUANTITY OF SEMICONDUCTOR MATERIAL OVERLAYING PORTIONS OF SAID AT LEAST TWO REGIONS AT SAID SURFACE SO AS TO FORM A RECTIFYING CONNECTION TO AT LEAST ONE OF SAID REGIONS.
Claim 2
Dependent Claim
69 words
A COMPOSITE SEMICONDUCTOR CRYSTALLINE STRUCTURE COMPRISING A SEMICONDUCTOR BODY HAVING A SURFACE DEFINED BY AT LEAST TWO CONTIGUOUS REGIONS, A FIRST REGION CONSTITUTED OF A FIRST SEMICONDUCTOR MATERIAL, A SECOND REGION CONSTITUTED OF A SECOND, DIFFERENT, SEMICONDUCTOR MATERIAL; AND A QUANTITY OF SEMICONDUCTOR MATERIAL OVERLAYING PORTIONS OF SAID AT LEAST TWO REGIONS AT SAID SURFACE SO AS TO FORM A RECTIFYING CONNECTION TO AT LEAST ONE OF SAID REGIONS.
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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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |