US3686036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solar cell with metal layered contact and method of manufacture
Assignee: Telefunken Electronic GmbH
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Filing: 1969-10-29
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Granted: 1972-08-22
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Expires: 1989-10-29
Abstract
Abstract A SOLAR CELL COMPRISESE A SEMICONDUCTOR BODY HAVING ONE OR BOTH CONTACTS OF THREE LAYERS, NAMELY, A FIRST COMPONENT OF SILVER, A SECOND LAYER OF TITANIUM CHROMIUM, MOLYBDENUM OR TANTALUM AND A THIRD LAYER OF PRECIOUS METAL WHICH MAY BE EITHER CONTAINED IN THE SECOND LAYER OR MAY FORM A LAYER BETWEEN THE SCOND AND FIRST LAYERS. A METHOD OF CONTACTING A SOLAR CELL BY VAPOUR DEPOSITION OF THE LAYERS IS ALSO INCLUDED.
Inventors
- 👤 Reinhard Gereth
- 👤 Horst Fischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:44
CPC Classifications
H; H10; H10F; H10F71/00; H10F71/125; H10F10/00; H10F10/10; H10F10/16; H10F10/169; H10F77/00; H10F77/20; H10F77/206; H10F77/211; H10P; H10P95/00; Y; Y02; Y02E; Y02E10/00; Y02E10/50; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10S428/9265; Y10S428/931; Y10T; Y10T428/00; Y10T428/12; Y10T428/12486; Y10T428/12493; Y10T428/12528; Y10T428/12771; Y10T428/12861; Y10T428/12875; Y10T428/12896
Claims Analysis
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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) | 1975-08-22 | 1976-02-21 | 1976-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-22 | 1980-02-21 | 1980-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-22 | 1984-02-21 | 1984-08-22 | $7700.00 | Window Closed / Lapsed |