Patent US3066050A successfully refreshed from Google Patents.
US3066050A
Expired / Lapsed
US
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Fabrication of semiconductor devices
Assignee: Lanteris Space LLC
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Filing: 1960-03-23
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Granted: 1962-11-27
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Expires: 1980-03-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Albert F Garton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:35
CPC Classifications
C; C25; C25F; C25F3/00; C25F3/02; C25F3/14; C23; C23C; C23C22/00; C23C22/05; C23C22/60; H; H10; H10P; H10P95/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
IN A FINISHING TREATMENT FOR A GERMANIUM SEMICONDUCTOR DEVICE WITH INDIUM ELECTRODES, ETCHED WITH AID OF AN ELECTROLYTIC ETCH IN A CAUSTIC LIQUID ELECTROLYTE AGENT: EXPOSING GERMANIUM AND INDIUM SURFACE OF THE DEVICE, STILL COVERED BY SUCH AGENT, TO CONTACT WITH MOVING DROPS OF HYDROGEN PEROXIDE SOLUTION DISSOLVED IN SUBSTANTIALLY PURE WATER THUS RAPIDLY LIBERATING OXYGEN FROM SAID SOLUTION AND STEPWISE DIMINISHING SUCH LIBERATING OF OXYGEN
Claim 2
Dependent Claim
66 words
IN A FINISHING TREATMENT FOR A GERMANIUM SEMICONDUCTOR DEVICE WITH INDIUM ELECTRODES, ETCHED WITH AID OF AN ELECTROLYTIC ETCH IN A CAUSTIC LIQUID ELECTROLYTE AGENT: EXPOSING GERMANIUM AND INDIUM SURFACE OF THE DEVICE, STILL COVERED BY SUCH AGENT, TO CONTACT WITH MOVING DROPS OF HYDROGEN PEROXIDE SOLUTION DISSOLVED IN SUBSTANTIALLY PURE WATER THUS RAPIDLY LIBERATING OXYGEN FROM SAID SOLUTION AND STEPWISE DIMINISHING SUCH LIBERATING OF OXYGEN
References Cited (Backward Citations)
US2809103A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |