US3277351A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing semiconductor devices
Assignee: NEC Corp
•
Filing: 1963-02-07
•
Granted: 1966-10-04
•
Expires: 1983-02-07
Abstract
No abstract record available.
Inventors
- 👤 Osafune Hiroe
- 👤 Nakamura Tetsuro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:19
CPC Classifications
H; H10; H10D; H10D62/00; H10D62/10; H10D10/00; H10D62/01; H10D64/00; H10D64/01; H10D64/011; H10D99/00; H10P; H10P32/00; H10P95/00; H10P95/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A SEMICONDUCTOR DEVICE COMPRISING A SEMICONDUCTOR SUBSTRATE MEMBER, A LAYER OF SEMICONDUCTOR MATERIAL GROWN FROM THE GAS PHASE ONTO SAID SUBSTRATE MEMBER, SAID LYER OF SEMICONDUCTOR MATERIAL HAVING THE SAME CONDUCTIVITY TYPE AS SAID SUBSTRATE MEMBER AND BEING LOWER IN RESISTIVITY, A REGION OF OPPOSITE CONDUCTIVITY TYPE FORMED WITHIN SAID SUBSTRATE MEMBER NEAR THE BOUNDARY BETWEEN SAID SUBSTRATE MEMBER AND SAID GROWN LAYER, SAID BOUNDARY COMPRISING A PN JUNCTION AND SAID
Claim 2
Dependent Claim
71 words
A SEMICONDUCTOR DEVICE COMPRISING A SEMICONDUCTOR SUBSTRATE MEMBER, A LAYER OF SEMICONDUCTOR MATERIAL GROWN FROM THE GAS PHASE ONTO SAID SUBSTRATE MEMBER, SAID LYER OF SEMICONDUCTOR MATERIAL HAVING THE SAME CONDUCTIVITY TYPE AS SAID SUBSTRATE MEMBER AND BEING LOWER IN RESISTIVITY, A REGION OF OPPOSITE CONDUCTIVITY TYPE FORMED WITHIN SAID SUBSTRATE MEMBER NEAR THE BOUNDARY BETWEEN SAID SUBSTRATE MEMBER AND SAID GROWN LAYER, SAID BOUNDARY COMPRISING A PN JUNCTION AND SAID
References Cited (Backward Citations)
US2908871A
Cited
US2857527A
Cited
US2985804A
Cited
US3131098A
Cited
US3159780A
Cited
US3196327A
Cited
US3200018A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |