US3227580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for improving the electrical characteristics of germanium semiconductor devices
Assignee: Lanteris Space LLC
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Filing: 1961-11-16
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Granted: 1966-01-04
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Expires: 1981-11-16
Abstract
No abstract record available.
Inventors
- 👤 Clarence G Thornton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:44
CPC Classifications
H; H10; H10P; H10P14/00; H10P14/60; H10P14/63; H10P14/6326; H10P14/6342; F; F25; F25D; F25D13/00; F25D13/06; H10P95/00; H10W; H10W74/00; H10W74/10; H10W74/131; H10P14/68; H10W72/00; H10W72/071; H10W72/075; H10W72/07551; H10W72/07552; H10W72/07554; H10W72/50; H10W72/521; H10W72/527; Y; Y10; Y10S; Y10S148/00; Y10S148/051; Y10S148/118; Y10S438/00; Y10S438/974
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
IN A METHOD FOR FABRICATING A GERMANIUM SEMI-CONDUCTOR DEVICE IN WHICH A SURFACE REGION OF A BODY OF GERMANIUM EXTENDS ACROSS A RECTIFYING BARRIER THEREIN, WHICH METHOD INCLUDES THE STEP OF CLEANSING SAID SURFACE REGION, THE IMPROVEMENT COMPRISING THE ADDITIONAL STEPS OF WETTING SAID CLEANSED SURFACE REGION WITH A SOLUTION OF GERMANI-
Claim 2
Dependent Claim
52 words
IN A METHOD FOR FABRICATING A GERMANIUM SEMI-CONDUCTOR DEVICE IN WHICH A SURFACE REGION OF A BODY OF GERMANIUM EXTENDS ACROSS A RECTIFYING BARRIER THEREIN, WHICH METHOD INCLUDES THE STEP OF CLEANSING SAID SURFACE REGION, THE IMPROVEMENT COMPRISING THE ADDITIONAL STEPS OF WETTING SAID CLEANSED SURFACE REGION WITH A SOLUTION OF GERMANI-
References Cited (Backward Citations)
US2930949A
Cited
US2974075A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |