US3373059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making photosensitive elements
Assignee: CIEVITE Corp
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Filing: 1963-10-24
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Granted: 1968-03-12
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Expires: 1983-10-24
Abstract
No abstract record available.
Inventors
- 👤 Augustine Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:08
CPC Classifications
H; H10; H10F; H10F71/00; H10F71/125; H10F10/00; H10F10/10; H10F10/16; H10F10/169; Y; Y02; Y02E; Y02E10/00; Y02E10/50; Y02E10/543; Y10; Y10S; Y10S148/00; Y10S148/064; Y10S148/072
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
THE METHOD OF FABRICATING A PHOTOSENSITIVE CELL WHICH INCLUDES THE STEPS OF: FABRICATING A PLATE OF SEMICONDUCTOR MATERIAL DOPED THROUGHOUT ITS BULK WITH DONOR DEFECTS; COATING ONE SURFACE OF THE PLATE WITH AN AQUEOUS ACCEPTOR IMPURITY SLURRY CONTAININGPRECIPITATED HYDRATED METAL SELECTED FROM THE GROUP CONSISTING OF COPPER, SILVER GOLD; HEATING THE PLATE FOR A PREDETERMINED TIME AT A PREDETERMINED TEMPERATURE OF DIFFUSE THE ACCEPTOR IMPURITY INTO THE PLATE AND ESTABLISH A PHOTOSENSITIVE DIFFUSED LAYER NOT GREATER IN THICKNESS THAN ABOUT 901 MM.; AND ATTACHING ELECTRODES TO THE PLATE.
Claim 2
Independent Claim
88 words
THE METHOD OF FABRICATING A PHOTOSENSITIVE CELL WHICH INCLUDES THE STEPS OF: FABRICATING A PLATE OF SEMICONDUCTOR MATERIAL DOPED THROUGHOUT ITS BULK WITH DONOR DEFECTS; COATING ONE SURFACE OF THE PLATE WITH AN AQUEOUS ACCEPTOR IMPURITY SLURRY CONTAININGPRECIPITATED HYDRATED METAL SELECTED FROM THE GROUP CONSISTING OF COPPER, SILVER GOLD; HEATING THE PLATE FOR A PREDETERMINED TIME AT A PREDETERMINED TEMPERATURE OF DIFFUSE THE ACCEPTOR IMPURITY INTO THE PLATE AND ESTABLISH A PHOTOSENSITIVE DIFFUSED LAYER NOT GREATER IN THICKNESS THAN ABOUT 901 MM.; AND ATTACHING ELECTRODES TO THE PLATE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |