US3298879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of fabricating a semiconductor by masking
Assignee: RCA Corp
•
Filing: 1964-03-23
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Granted: 1967-01-17
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Expires: 1984-03-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph H Scott
- 👤 George W Mciver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:01
CPC Classifications
H; H10; H10P; H10P32/00; H10P32/10; H10P32/14; C; C30; C30B; C30B31/00; C30B31/06; C30B31/18; C30B31/185; H10P32/17; H10P32/174; H10P95/00; Y; Y10; Y10S; Y10S148/00; Y10S148/043; Y10S148/051; Y10S148/065; Y10S148/106
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
THE METHOD OF FABRICATING A SEMICONDUCTOR DEVICE, COMPRISING THE STEPS OF: MASKING A PORTION OF A CRYSTALLINE SEMICONDUCTOR BODY CONSISTING OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF THE NITRIDES, PHOSPHIDES, ARSENIDES AND ANTIMONIDES OF BORON, ALUMINUM, GALLIUM, AND INDIUM WITH A LAYER OF SILICON OXIDE, SAID SILICON OXIDE LAYER INCLUDING PHOSPHORUS DISPERSED THEREIN; AND, HEATING SAID BODY IN THE VAPORS OF ZINC TO DIFFUSE ZINC INTO THE UNMASKED PORTION ONLY OF SAID BODY.
Claim 2
Independent Claim
75 words
THE METHOD OF FABRICATING A SEMICONDUCTOR DEVICE, COMPRISING THE STEPS OF: MASKING A PORTION OF A CRYSTALLINE SEMICONDUCTOR BODY CONSISTING OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF THE NITRIDES, PHOSPHIDES, ARSENIDES AND ANTIMONIDES OF BORON, ALUMINUM, GALLIUM, AND INDIUM WITH A LAYER OF SILICON OXIDE, SAID SILICON OXIDE LAYER INCLUDING PHOSPHORUS DISPERSED THEREIN; AND, HEATING SAID BODY IN THE VAPORS OF ZINC TO DIFFUSE ZINC INTO THE UNMASKED PORTION ONLY OF SAID BODY.
References Cited (Backward Citations)
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Cited
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Cited
US3114663A
Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |