US3072507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor body formation
Assignee: International Business Machines Corp
•
Filing: 1959-06-30
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Granted: 1963-01-08
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Expires: 1979-06-30
Abstract
No abstract record available.
Inventors
- 👤 Richard L Anderson
- 👤 John C Marinace
- 👤 Gene A Silvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:20
CPC Classifications
H; H10; H10P; H10P95/00; C; C30; C30B; C30B19/00; C30B19/02; C30B19/04; C30B19/10; C30B19/106; C30B25/00; C30B25/02; C30B25/18; C30B29/00; C30B29/02; C30B29/08; C30B29/10; H10D; H10D99/00; H10P14/00; H10P14/20; H10P14/22; H10P14/29; H10P14/2901; H10P14/2907; H10P14/2911; H10P14/34; H10P14/3402; H10P14/3438; H10P14/3441; Y; Y10; Y10S; Y10S148/00; Y10S148/022; Y10S148/065; Y10S148/107; Y10S148/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A SEMICONDUCTOR DEVICE COMPRISING A SUBSTRATE REGION FO MONOCRYSTALLINE GALLIUM ARSENIDE SEMICONDUCTOR MATERIAL OF ONE CONDUCTIVITY-TYPE AND IMMEDIATELY CONTIGUOUS THERETO AN EPITAXIALLY VAPOR GROWN GERMANIUM REGION OF OPPOSITE CONDUCTIVITY-TYPE, WITH AN ABRUPT ELECTRICAL JUNCTION AT THE INTERFACE DEFINED BY SAID SUBSTRATE AND SAID EPITAXIALLY VAPOR GROWN GERMANIUM REGION.
Claim 2
Dependent Claim
48 words
A SEMICONDUCTOR DEVICE COMPRISING A SUBSTRATE REGION FO MONOCRYSTALLINE GALLIUM ARSENIDE SEMICONDUCTOR MATERIAL OF ONE CONDUCTIVITY-TYPE AND IMMEDIATELY CONTIGUOUS THERETO AN EPITAXIALLY VAPOR GROWN GERMANIUM REGION OF OPPOSITE CONDUCTIVITY-TYPE, WITH AN ABRUPT ELECTRICAL JUNCTION AT THE INTERFACE DEFINED BY SAID SUBSTRATE AND SAID EPITAXIALLY VAPOR GROWN GERMANIUM REGION.
References Cited (Backward Citations)
US2692839A
Cited
US2798989A
Cited
US2910394A
Cited
US2898248A
Cited
FR1184921A
Cited
US2900286A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |