US2974074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing a silicon semiconductor device
Assignee: Siemens Schuckertwerke AG
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Filing: 1959-02-18
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Granted: 1961-03-07
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Expires: 1979-02-18
Abstract
No abstract record available.
Inventors
- 👤 Herlet Adolf
- 👤 Patalong Hubert
- 👤 Schink Norbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:23
CPC Classifications
H; H10; H10P; H10P95/00; C; C22; C22C; C22C5/00; C22C5/02; H01; H01B; H01B1/00; H01B1/02; H10D; H10D99/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
THE METHOD OF PRODUCING AN ELECTRIC SEMI-CONDUCTOR DEVICE HAVING A SUBSTANTIALLY MONOCRYSTALLINE SILICON BODY AND AN ELECTORDE ON SAID BODY, WHICH COMPRISES FORMING AN ALLOYED COMPOSITION OF GOLD, ANTIMONY AND TRACES OF ARSENIC AND OXYGEN IN AMOUNTS BETWEEN ABOUT 0.2 AND 5% ANTIMONY AND ABOUT 10-4 TO ABOUT 10-1% ARSENIC, AND CONTAINING A TRACE OF OXIDIC OXYGEN IN AN
Claim 2
Independent Claim
59 words
THE METHOD OF PRODUCING AN ELECTRIC SEMI-CONDUCTOR DEVICE HAVING A SUBSTANTIALLY MONOCRYSTALLINE SILICON BODY AND AN ELECTORDE ON SAID BODY, WHICH COMPRISES FORMING AN ALLOYED COMPOSITION OF GOLD, ANTIMONY AND TRACES OF ARSENIC AND OXYGEN IN AMOUNTS BETWEEN ABOUT 0.2 AND 5% ANTIMONY AND ABOUT 10-4 TO ABOUT 10-1% ARSENIC, AND CONTAINING A TRACE OF OXIDIC OXYGEN IN AN
References Cited (Backward Citations)
US2809165A
Cited
US2879190A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-06 | 1964-09-05 | 1965-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-06 | 1968-09-05 | 1969-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-06 | 1972-09-05 | 1973-03-07 | $7700.00 | Window Closed / Lapsed |