US3582324A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contact piece for a semiconductor
Assignee: Siemens AG
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Filing: 1968-06-28
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Granted: 1971-06-01
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Expires: 1988-06-28
Abstract
Abstract THE INVENTION RELATES TO A CONTACT PIECE FOR A SEMICONDUCTOR, WHEREIN SILICON CONSTITUTES AN ALLOYING COMPONENT OF THE SEMICONDUCTOR AND OF THE CONTACT PIECE, AND TO A METHOD OF ITS PRODUCTION. THE CONTACT PIECE IS PRIMARILY USED FOR CONTACTING SEMCONDUCTOR BODIES IN THERMOELECTRIC DEVICES, PARTICULARLY THERMOGENERATORS AND HAS THE GENERAL COMPOSITION: ME(I)Y ME(II)1-Y)XSI1-X WHEREIN 0.5 $Y$0.9 AND 0.05$X$0.35 AND MEI AND MEII ARE EACH A METAL OF THE IV, V, VI, VII OR VIII SECONDARY GROUPS OF THE PERIODIC TABLE WITH THE EXCEPTION OF TECHNETIUM.
Inventors
- 👤 Alfred Kunert
- 👤 Eugen Szabo De Bucs
- 👤 Gerhard Oesterhelt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:26
CPC Classifications
H; H10; H10N; H10N10/00; H10N10/80; H10N10/82
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-31 | 1974-11-30 | 1975-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-31 | 1978-11-30 | 1979-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-31 | 1982-11-30 | 1983-06-01 | $7700.00 | Window Closed / Lapsed |