US2867899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of soldering germanium diodes
Assignee: TDK Micronas GmbH
•
Filing: 1953-06-26
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Granted: 1959-01-13
•
Expires: 1973-06-26
Abstract
No abstract record available.
Inventors
- 👤 Jacobs Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:55
CPC Classifications
H; H10; H10W; H10W99/00; B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/26; H10P; H10P95/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A METHOD OF SOLDERING AN ELECTRODE TO A SEMICONDUCTOR ELEMENT, COMPRISING MELTING SOLDER IN AN INERT ATMOSPHERE TO PREVENT OXIDATION OF THE SOLDER, FLOATING THE SEMI-CONDUCTOR ELEMENT ON SAID MOLTEN SOLDER, REMOVING THE SEMI-CONDUCTOR ELEMENT FROM THE MOLTEN SOLDER WHEREBY A THIN LAYER OF SOLDER IS ADHERED THERETO, MOUNTING THE ELECTRODE ON SAID THIN LAYER, AND MELTING SAID THIN LAYER TO BOND THE ELECTRODE THERETO.
Claim 2
Independent Claim
65 words
A METHOD OF SOLDERING AN ELECTRODE TO A SEMICONDUCTOR ELEMENT, COMPRISING MELTING SOLDER IN AN INERT ATMOSPHERE TO PREVENT OXIDATION OF THE SOLDER, FLOATING THE SEMI-CONDUCTOR ELEMENT ON SAID MOLTEN SOLDER, REMOVING THE SEMI-CONDUCTOR ELEMENT FROM THE MOLTEN SOLDER WHEREBY A THIN LAYER OF SOLDER IS ADHERED THERETO, MOUNTING THE ELECTRODE ON SAID THIN LAYER, AND MELTING SAID THIN LAYER TO BOND THE ELECTRODE THERETO.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-12 | 1962-07-14 | 1963-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-12 | 1966-07-14 | 1967-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-12 | 1970-07-14 | 1971-01-13 | $7700.00 | Window Closed / Lapsed |