US3184348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for controlling doping in vaporgrown semiconductor bodies
Assignee: International Business Machines Corp
•
Filing: 1960-12-30
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Granted: 1965-05-18
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Expires: 1980-12-30
Abstract
No abstract record available.
Inventors
- 👤 John C Marinace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:41
CPC Classifications
H; H10; H10P; H10P95/00; H10P32/00; H10P32/10; H10P32/12; H10P32/17; H10P32/171; Y; Y10; Y10S; Y10S118/00; Y10S118/90; Y10S148/00; Y10S148/006; Y10S438/00; Y10S438/914; Y10S438/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
THE METHOD OF PRODUCING SEMICONDUCTOR DEVICES HAVING A PLURALITY OF LAYERS OF SEMICONDUCTOR MATERIAL WITH ABRUPT JUNCTIONS THEREBETWEEN WHICH COMPRISES, POSITIONING A FIRST SOURCE OF SEMICONDUCTOR MATERIAL WITH A SUITABLE DOPING MATERIAL AND A TRANSPORT ELEMENT IN A FIRST TEMPERATURE ZONE OF ONE BRANCH OF A REACTION CONTAINER, POSITIONING A SECOND SOURCE OF SEMICONDUCTOR MATERIAL WITH A DOPING MATERIAL THAT WILL PRODUCE A DIFFERENT DEGREE OF OPPOSITE TYPE OF DOPING AND A TRANSPORT ELEMENT IN A FIRST TEMPERATURE ZONE OF A SECOND BRANCH OF SAID REACTION CONTAINER; REACTING EACH OF SAID SOURCES AND RESPECTIVE TRANSPORT ELEMENTS SO AS TO PRODUCE VAPOROUS COMPOUNDS; DECOMPOSING EACH OF SAID VAPOROUS COM-
Claim 2
Independent Claim
108 words
THE METHOD OF PRODUCING SEMICONDUCTOR DEVICES HAVING A PLURALITY OF LAYERS OF SEMICONDUCTOR MATERIAL WITH ABRUPT JUNCTIONS THEREBETWEEN WHICH COMPRISES, POSITIONING A FIRST SOURCE OF SEMICONDUCTOR MATERIAL WITH A SUITABLE DOPING MATERIAL AND A TRANSPORT ELEMENT IN A FIRST TEMPERATURE ZONE OF ONE BRANCH OF A REACTION CONTAINER, POSITIONING A SECOND SOURCE OF SEMICONDUCTOR MATERIAL WITH A DOPING MATERIAL THAT WILL PRODUCE A DIFFERENT DEGREE OF OPPOSITE TYPE OF DOPING AND A TRANSPORT ELEMENT IN A FIRST TEMPERATURE ZONE OF A SECOND BRANCH OF SAID REACTION CONTAINER; REACTING EACH OF SAID SOURCES AND RESPECTIVE TRANSPORT ELEMENTS SO AS TO PRODUCE VAPOROUS COMPOUNDS; DECOMPOSING EACH OF SAID VAPOROUS COM-
References Cited (Backward Citations)
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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) | 1968-05-17 | 1968-11-16 | 1969-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-17 | 1972-11-16 | 1973-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-17 | 1976-11-16 | 1977-05-18 | $7700.00 | Window Closed / Lapsed |