US3758348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for preparing solar cells
Assignee: Westinghouse Electric Corp
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Filing: 1970-08-13
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Granted: 1973-09-11
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Expires: 1990-08-13
Abstract
Abstract THIS INVENTION PROVIDES A PROCESS FOR MAKING A SOLAR CELL. MATERIAL FOR THE SOLAR CELL IS DEPOSITED ON THE SUBSTRATE. A WRAP AROUND ELECTRICAL CONTACT SHUNTS OR SHORT CURCUITS ANY P-N JUNCTION FORMED BETWEEN THE DEPOSITED MATERIAL AND THE SUBSTRATE BUT NOT THE P-N JUNCTION WITHIN THE DEPOSITED MATERIAL. THE WRAP AROUND ELECTRICAL CONTACT IS ALLOYED TO THE SUBSTRATE AND TO THE DEPOSITED MATERIAL AT THE SAME TIME THAT A DIFFUSION IS BEING CARRIED OUT, IN THE DEPOSITED MATERIAL TO FORM A P-N JUNCTION THEREIN.
Inventors
- 👤 D Whigham
- 👤 M Amsterdam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:11
CPC Classifications
H; H10; H10F; H10F77/00; H10F77/20; H10F77/206; H10F77/211; H10F99/00; H10P; H10P14/00; H10P14/20; H10P14/24; H10P14/29; H10P14/2901; H10P14/2902; H10P14/2905; H10P14/34; H10P14/3402; H10P14/3414; H10P14/3421; Y; Y02; Y02E; Y02E10/00; Y02E10/50; Y10; Y10S; Y10S148/00; Y10S148/056; Y10S148/072; Y10S148/085; Y10S257/00; Y10S257/914; Y10S438/00; Y10S438/933
Claims Analysis
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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) | 1976-09-10 | 1977-03-12 | 1977-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-10 | 1981-03-12 | 1981-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-10 | 1985-03-12 | 1985-09-11 | $7700.00 | Window Closed / Lapsed |