US3306784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epitaxially bonded thermoelectric device and method of forming same
Assignee: General Dynamics Corp
•
Filing: 1961-08-14
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Granted: 1967-02-28
•
Expires: 1981-08-14
Abstract
No abstract record available.
Inventors
- 👤 John B Roes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:15
CPC Classifications
H; H10; H10D; H10D99/00; H10N; H10N10/00; H10N10/80; H10N10/81; H10N10/817; H10N10/85; H10N10/857; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10S428/9265; Y10S428/931; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12528; Y10T428/12681; Y10T428/12771; Y10T428/12861; Y10T428/12896; Y10T428/12903; Y10T428/1291
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
IN A THERMOELECTRIC DEVICE, AN N-TYPE LEAD TELLURIDE SEMINCONDUCTOR, AND ELECTRODE OF A MATERIAL WHICH IS INSOLUBLE IN THE SEMICONDUCTOR, AND A LAYER OF COPPER DISPOSED BETWEEN SAID ELECTRODE AND SAID SEMICONDUCTOR, SAID COPPER LAYER BEING EPITAXIALLY BONDED AT ONE SIDE TO SAID ELECTRODE AND ALLOYED AT THE OTHER SIDE WITH SAID SEMICONDUCTOR, THE AMOUNT OF SAID COPPER ALLOYED WITH SAID SEMICONDUCTOR BEING LESS THAN 0.1 PERCENT BY VOLUME OF THE SEMICONDUCTOR.
Claim 2
Dependent Claim
72 words
IN A THERMOELECTRIC DEVICE, AN N-TYPE LEAD TELLURIDE SEMINCONDUCTOR, AND ELECTRODE OF A MATERIAL WHICH IS INSOLUBLE IN THE SEMICONDUCTOR, AND A LAYER OF COPPER DISPOSED BETWEEN SAID ELECTRODE AND SAID SEMICONDUCTOR, SAID COPPER LAYER BEING EPITAXIALLY BONDED AT ONE SIDE TO SAID ELECTRODE AND ALLOYED AT THE OTHER SIDE WITH SAID SEMICONDUCTOR, THE AMOUNT OF SAID COPPER ALLOYED WITH SAID SEMICONDUCTOR BEING LESS THAN 0.1 PERCENT BY VOLUME OF THE SEMICONDUCTOR.
References Cited (Backward Citations)
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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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |