US3421952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making high resistivity group iii-v compounds and alloys doped with iron from an iron-arsenide source
Assignee: Texas Instruments Inc
•
Filing: 1966-02-02
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Granted: 1969-01-14
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Expires: 1986-02-02
Abstract
No abstract record available.
Inventors
- 👤 Raymond W Conrad
- 👤 Robert W Haisty
- 👤 Pete L Hoyt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:10
CPC Classifications
H; H10; H10P; H10P14/00; H10P14/20; H10P14/29; H10P14/2901; H10P14/2907; H10P14/2911; H10P14/24; H10P14/34; H10P14/3402; H10P14/3414; H10P14/3418; H10P14/3421; H10P14/3438; H10P14/3441; H10P14/3446; H10P95/00; Y; Y10; Y10S; Y10S148/00; Y10S148/065; Y10S148/072; Y10S252/00; Y10S252/95; Y10S252/951; Y10S438/00; Y10S438/914; Y10S438/918; Y10S438/934
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
THE METHOD OF DOPING EPITAXIALLY FORMED DEPOSITS OF GROUP III-V MATERIALS WITH IRON WHEREIN SAID GROUP III-V MATERIALS ARE FORMED BY REACTING A GASEOUS MIXTURE COMPRISING HYDROGEN, AT LEAST ONE GROUP V ELEMENT OR VOLATILE COMPOUND OF A GROUP V ELEMENT, AND AT LEAST ONE GROUP III ELEMENT OR VOLATILE COMPOUND OF A GROUP III ELEMENT IN A REACTION CHAMBER, COMPRISING THE STEP OF INTRODUCING IRON ARSENIDE VAPORS INTO SAID REACTION CHAMBER DURING THE FORMATION OF SAID DEPOSITS OF GROUP III-V MATERIALS.
Claim 2
Independent Claim
82 words
THE METHOD OF DOPING EPITAXIALLY FORMED DEPOSITS OF GROUP III-V MATERIALS WITH IRON WHEREIN SAID GROUP III-V MATERIALS ARE FORMED BY REACTING A GASEOUS MIXTURE COMPRISING HYDROGEN, AT LEAST ONE GROUP V ELEMENT OR VOLATILE COMPOUND OF A GROUP V ELEMENT, AND AT LEAST ONE GROUP III ELEMENT OR VOLATILE COMPOUND OF A GROUP III ELEMENT IN A REACTION CHAMBER, COMPRISING THE STEP OF INTRODUCING IRON ARSENIDE VAPORS INTO SAID REACTION CHAMBER DURING THE FORMATION OF SAID DEPOSITS OF GROUP III-V MATERIALS.
References Cited (Backward Citations)
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US3312570A
Cited
US3277006A
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US3146137A
Cited
US3218205A
Cited
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Cited
US3310425A
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) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |