US3277006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double doping of iii-v compound semiconductor material
Assignee: Texas Instruments Inc
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Filing: 1965-09-10
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Granted: 1966-10-04
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Expires: 1985-09-10
Abstract
No abstract record available.
Inventors
- 👤 Rowland E Johnson
- 👤 Jr Ernest C Wurst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:41
CPC Classifications
C; C30; C30B; C30B29/00; C30B29/10; C30B29/40; C30B11/00; H; H10; H10D; H10D99/00; H10P; H10P95/00; Y; Y10; Y10S; Y10S148/00; Y10S148/107; Y10S252/00; Y10S252/95; Y10S438/00; Y10S438/914; Y10S438/925; Y10S438/979
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
THE METHOD OF FORMING A GROUP III-V COMPOUND SEMICONDUCTOR MATERIAL FOR TUNNEL DIODES COMPRISING THE STEPS OF FORMING A MELT OF SAID COMPOUND BY CONTACTING A MIXTURE OF A GROUP III ELEMENT OF THE PERIODIC TABLE ALONG WITH AN EXCESS OF A P-TYPE DOPING AGENT AND AN EXCESS OF COPPER FOR SAID COMPOUND WITH A VAPOR OF A GROUP V ELEMENT OF THE PERIODIC TABLE, AND THEN PROGRESSIVELY FREEZING SAID MELT FROM ONE END.
Claim 2
Independent Claim
74 words
THE METHOD OF FORMING A GROUP III-V COMPOUND SEMICONDUCTOR MATERIAL FOR TUNNEL DIODES COMPRISING THE STEPS OF FORMING A MELT OF SAID COMPOUND BY CONTACTING A MIXTURE OF A GROUP III ELEMENT OF THE PERIODIC TABLE ALONG WITH AN EXCESS OF A P-TYPE DOPING AGENT AND AN EXCESS OF COPPER FOR SAID COMPOUND WITH A VAPOR OF A GROUP V ELEMENT OF THE PERIODIC TABLE, AND THEN PROGRESSIVELY FREEZING SAID MELT FROM ONE END.
References Cited (Backward Citations)
No citation records indexed.
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 |