Patent US2959501A successfully refreshed from Google Patents.
US2959501A
Expired / Lapsed
US
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Silicon semiconductor device and method of producing it
Assignee: Siemens Schuckertwerke AG
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Filing: 1958-01-29
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Granted: 1960-11-08
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Expires: 1978-01-29
Abstract
No abstract record available.
Inventors
- 👤 Schink Norbert
- 👤 Herlet Adolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:32
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
70 words
THE METHOD OF PRODUCING AN ELECTRIC SEMICONDUCTOR DEVICE HAVING A SUBSTANTIALLY MONOCRYSTALLINE SILICON BODY AND AN ELECTRODE ON SAID BODY, WHICH COMPRISES FORMING AN ALLOYED COMPOSITION OF GOLD, ANTIMONY AND A TRACE OF ARSENIC IN AMOUNTS BETWEEN ABOUT 0.2 AND 5% ANTIMONY AND ABOUT 10-3 TO ABOUT 10-1% ARSENIC, THE REMAINDER BEING SUBSTANTIALLY ALL GOLD, AND ALLOYING THE COMPOSITION TOGETHER WITH THE SILICON BODY TO FORM AN AREA FUSION JOINT.
Claim 2
Independent Claim
70 words
THE METHOD OF PRODUCING AN ELECTRIC SEMICONDUCTOR DEVICE HAVING A SUBSTANTIALLY MONOCRYSTALLINE SILICON BODY AND AN ELECTRODE ON SAID BODY, WHICH COMPRISES FORMING AN ALLOYED COMPOSITION OF GOLD, ANTIMONY AND A TRACE OF ARSENIC IN AMOUNTS BETWEEN ABOUT 0.2 AND 5% ANTIMONY AND ABOUT 10-3 TO ABOUT 10-1% ARSENIC, THE REMAINDER BEING SUBSTANTIALLY ALL GOLD, AND ALLOYING THE COMPOSITION TOGETHER WITH THE SILICON BODY TO FORM AN AREA FUSION JOINT.
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) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |