US2992947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and device for making an electrode exhibiting rectifier action by alloying aluminum thereto
Assignee: Siemens and Halske AG
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Filing: 1958-09-10
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Granted: 1961-07-18
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Expires: 1978-09-10
Abstract
No abstract record available.
Inventors
- 👤 Gotzberger Adolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:05
CPC Classifications
H; H10; H10W; H10W99/00; H10D; H10D99/00; H10P; H10P95/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A METHOD OF PRODUCING SEMICONDUCTOR DEVICES HAVING A SEMICONDUCTOR BODY AND AT LEAST ONE ALUMINUMCONTAINING ELECTRODE ALLOYED THERETO, COMPRIDING TAKING A SEMICONDUCTOR BODY AND ALLOYING THERETO AT THE AREA THEREOF WHERE SAID ELECTRODE IS TO APPEAR AN AUXILIARY METAL ADAPTED TO WET SAID SEMICONDUCTOR BODY, THEREAFTER ALLOYING AN ALUMINUM-CONTAINING BODY TO SAID AUXILIARY METAL, THEREUPON ALLOYING INTO SAID SEMICONDUCTOR BODY SAID AUXILIARY METAL AND THE ALUMINUMCONTAINING BODY ALLOYED THERETO, AND AGITATING THE MATERIALS TO BE ALLOYED TO SAID SEMICONDUCTOR BODY DURING THE ALLOYING THEREOF.
Claim 2
Independent Claim
84 words
A METHOD OF PRODUCING SEMICONDUCTOR DEVICES HAVING A SEMICONDUCTOR BODY AND AT LEAST ONE ALUMINUMCONTAINING ELECTRODE ALLOYED THERETO, COMPRIDING TAKING A SEMICONDUCTOR BODY AND ALLOYING THERETO AT THE AREA THEREOF WHERE SAID ELECTRODE IS TO APPEAR AN AUXILIARY METAL ADAPTED TO WET SAID SEMICONDUCTOR BODY, THEREAFTER ALLOYING AN ALUMINUM-CONTAINING BODY TO SAID AUXILIARY METAL, THEREUPON ALLOYING INTO SAID SEMICONDUCTOR BODY SAID AUXILIARY METAL AND THE ALUMINUMCONTAINING BODY ALLOYED THERETO, AND AGITATING THE MATERIALS TO BE ALLOYED TO SAID SEMICONDUCTOR BODY DURING THE ALLOYING THEREOF.
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) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |