US3284235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing photoconductive layers
Assignee: US Philips Corp
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Filing: 1963-02-04
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Granted: 1966-11-08
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Expires: 1983-02-04
Abstract
No abstract record available.
Inventors
- 👤 Johannes Gerrit Van Santen
- 👤 Joormann Hendrik Jacobus Maria
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:36
CPC Classifications
H; H10; H10F; H10F71/00; H10F71/125; G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/08; G03G5/082; Y; Y02; Y02E; Y02E10/00; Y02E10/50; Y02E10/543
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A METHOD OF MANUFACTURING A PHOTOCONDUCTOR DEVICE COMPRISING A LAYER OF PHOTOCONDUCTIVE MATERIAL SELECTED FROM THE GROUP CONSISTING OF CADMIUM SULPHIDE, CADMIUM SELENIDE AND MIXED CRYSTALS THEREOF, COMPRISING THE STEPS, DISPERSING SAID PHOTOCONDUCTIVE MATERIAL IN POWDERED FORM IN A SOLUTION CONSISTING ESSENTIALLY OF A MINOR AMOUNT OF PHOSPHORUS IN OXIDIZED FORM AND AT LEAST ONE CADMIUM HALIDE SELECTED FROM THE GROUP CONSISTING OF CADMIUM CHLORIDE, CADMIUM BROMIDE AND CADMIUM IODIDE, DEPOSITING A PORTION OF SAID SOLUTION ONTO A SUPPORT TO FORM A LAYER, AND THEREAFTER HEATING SAID DEPOSIT TO PRODUCE THE PHOTOCONDUCTIVE MATERIAL.
Claim 2
Independent Claim
93 words
A METHOD OF MANUFACTURING A PHOTOCONDUCTOR DEVICE COMPRISING A LAYER OF PHOTOCONDUCTIVE MATERIAL SELECTED FROM THE GROUP CONSISTING OF CADMIUM SULPHIDE, CADMIUM SELENIDE AND MIXED CRYSTALS THEREOF, COMPRISING THE STEPS, DISPERSING SAID PHOTOCONDUCTIVE MATERIAL IN POWDERED FORM IN A SOLUTION CONSISTING ESSENTIALLY OF A MINOR AMOUNT OF PHOSPHORUS IN OXIDIZED FORM AND AT LEAST ONE CADMIUM HALIDE SELECTED FROM THE GROUP CONSISTING OF CADMIUM CHLORIDE, CADMIUM BROMIDE AND CADMIUM IODIDE, DEPOSITING A PORTION OF SAID SOLUTION ONTO A SUPPORT TO FORM A LAYER, AND THEREAFTER HEATING SAID DEPOSIT TO PRODUCE THE PHOTOCONDUCTIVE MATERIAL.
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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |