US2762730A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making barriers in semiconductors
Assignee: GTE Sylvania Inc
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Filing: 1952-06-19
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Granted: 1956-09-11
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Expires: 1972-06-19
Abstract
No abstract record available.
Inventors
- 👤 Ben H Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:02
CPC Classifications
H; H10; H10P; H10P95/00; H10P95/50; C; C30; C30B; C30B15/00; C30B29/00; C30B29/02; C30B29/08; H10P10/00; H10P10/12; Y; Y10; Y10S; Y10S148/00; Y10S148/041; Y10S148/107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
THE METHOD OF PRODUCING AN ELECTRICAL TRANSLATOR INCLUDING THE STEPS OF PROVIDING A SOLID BODY OF GERMANIUM OF ONE CONDUCTIVITY TYPE, BRINGING SAID SOLID GERMANIUM BODY INTO ENGAGEMENT WITH A MOLTEN MIXTURE CONTAINING AN ACTIVATING IMPURITY OF THE OPPOSITE CONDUCTIVITY TYPE AT THE MELTING OF TEMPERATURE OF THE MIXTURE, SAID MOLTEN MIXTURE HAVING A TEMPERATURE BELOW THE MELTING POINT OF SAID GERMANIUM BODY OF BEING SATURATED WITH GERMA-
Claim 2
Independent Claim
68 words
THE METHOD OF PRODUCING AN ELECTRICAL TRANSLATOR INCLUDING THE STEPS OF PROVIDING A SOLID BODY OF GERMANIUM OF ONE CONDUCTIVITY TYPE, BRINGING SAID SOLID GERMANIUM BODY INTO ENGAGEMENT WITH A MOLTEN MIXTURE CONTAINING AN ACTIVATING IMPURITY OF THE OPPOSITE CONDUCTIVITY TYPE AT THE MELTING OF TEMPERATURE OF THE MIXTURE, SAID MOLTEN MIXTURE HAVING A TEMPERATURE BELOW THE MELTING POINT OF SAID GERMANIUM BODY OF BEING SATURATED WITH GERMA-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-11 | 1960-03-12 | 1960-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-11 | 1964-03-12 | 1964-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-11 | 1968-03-12 | 1968-09-11 | $7700.00 | Window Closed / Lapsed |