US3568306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making photovoltaic device by electroplating
Assignee: Panasonic Holdings Corp
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Filing: 1966-09-20
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Granted: 1971-03-09
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Expires: 1986-09-20
Abstract
Abstract A METHOD OF MAKING A PHOTOVOLTAIC CELL EMPLOYING POWDERED POLYCRYSTALLINE PHOTOELECTRIC MATERIAL, THE METHOD COMPRISING, FORMING AT LEAST ONE ELECTRODE ON A PHOTOELECTRIC LAYER AND ELECTROPLATING A P-TYPE DETERMINING METAL, SUCH AS COPPER, ON SAID ELECTRODE AT LEAST PARTIALLY THROUGH THE PHOTOELECTRIC LAYER WHEREBY THE PARTION OF SAID PHOTOELECTRIC LAYER SUBJECTED TO SAID ELECTROPLATING PROCESS IS CONVERTED TO P-TYPE BY THE METAL IONS PROCEEDING TO THE ELECTRODE, FORMING THERBY A P-N JUNCTION THEREAROUND, AND A PHOTOVOLTAIC CELL THUS FORMED.
Inventors
- 👤 Kazuo Yamashita
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:02
CPC Classifications
H; H10; H10F; H10F10/00; H10F10/10; H10F10/16; H10F99/00; H10F71/00; H10F71/135; H10P; H10P95/00; Y; Y10; Y10S; Y10S148/00; Y10S148/064; Y10S148/153
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) | 1974-03-08 | 1974-09-07 | 1975-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-08 | 1978-09-07 | 1979-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-08 | 1982-09-07 | 1983-03-09 | $7700.00 | Window Closed / Lapsed |