Patent US3301637A successfully refreshed from Google Patents.
US3301637A
Expired / Lapsed
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Method for the synthesis of gallium phosphide
Assignee: International Business Machines Corp
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Filing: 1962-12-27
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Granted: 1967-01-31
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Expires: 1982-12-27
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Kucza
- 👤 Kisco Mount
- 👤 Mandel Gerald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:53
CPC Classifications
C; C01; C01B; C01B25/00; C01B25/06; C23; C23C; C23C16/00; C23C16/22; C23C16/30; C23C16/301; H; H10; H10P; H10P95/00; Y; Y10; Y10S; Y10S148/00; Y10S148/049; Y10S148/065; Y10S148/072
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
22 words
A METHOD FOR PRODUCING GALLIUM PHOSPHIDE BY REACTING FINELY DIVIDED GALLIUM AND PHOSPHOROUS IN THE PRESENCE OF PHOSPHOROUS TRICHLORIDE AS A CATALYST.
Claim 2
Independent Claim
22 words
A METHOD FOR PRODUCING GALLIUM PHOSPHIDE BY REACTING FINELY DIVIDED GALLIUM AND PHOSPHOROUS IN THE PRESENCE OF PHOSPHOROUS TRICHLORIDE AS A CATALYST.
Claim 3
Independent Claim
57 words
A METHOD FOR PRODUCING A GALLIUM PHOSPHIDE FILM ON A SUBSTRATE COMPRISING REACTING STOICHIOMETRIC AMOUNTS OF GALLIUM AND PHOSPHOROUS IN THE PRESENCE OF A PHOSPHOROUS TRICHLORIDE CATALYST AT A TEMPERATURE OF APPROXIMATELY 800*C. TO PRODUCE VAPORS OF GALLIUM PHOSPHIDE AND THEN CONDENSING SAID VAPORS UPON SAID SUBSTRATE WITH SAID SUBSTATE BEING MAINTAINED AT A TEMPERATURE BELOW 800*C.
Claim 4
Independent Claim
57 words
A METHOD FOR PRODUCING A GALLIUM PHOSPHIDE FILM ON A SUBSTRATE COMPRISING REACTING STOICHIOMETRIC AMOUNTS OF GALLIUM AND PHOSPHOROUS IN THE PRESENCE OF A PHOSPHOROUS TRICHLORIDE CATALYST AT A TEMPERATURE OF APPROXIMATELY 800*C. TO PRODUCE VAPORS OF GALLIUM PHOSPHIDE AND THEN CONDENSING SAID VAPORS UPON SAID SUBSTRATE WITH SAID SUBSTATE BEING MAINTAINED AT A TEMPERATURE BELOW 800*C.
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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |