US4226929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible multi-layer photoreceptor of electrophotography
Assignee: Stanley Electric Co Ltd
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Filing: 1978-11-07
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Granted: 1980-10-07
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Expires: 1998-11-07
Abstract
Abstract A photoreceptor of electrophotography having a flexibility and a sensitivity to electromagnetic wavelengths of a wide range extending as far as the red color region of the spectrum of light rays is produced by forming a layer of a halogen-doped Se-S alloy on a substrate and further forming on said layer a halogen-doped Se-Te alloy layer. The Se-S alloy contains sulfur in a weight ratio of 0.1 to 0.35 to the Se-S alloy. The Se-Te alloy contains tellurium in a weight ratio of 0.05 to 0.35 to the Se-Te alloy.
Inventors
- 👤 Toru Teshima
- 👤 Hiroshi Nozaki
- 👤 Minoru Koyama
- 👤 Kazuhisa Katoh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:35
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/043; G03G5/0433
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
130 words
A photoreceptor for electrophotography comprising: (1) a first layer of a Se-Te-Halogen alloy containing halogen in a weight ratio of 10 -3 to 10 -8 to the Se-Te-Halogen alloy and a Te content of about 5 to about 35% by weight of the Se-Te alloy, the thickness of said first layer being about 0.1 to 10 microns, said first layer formed on top of, (2) a second layer of an Se-S-Halogen alloy containing halogen in a weight ratio of 10 -2 to 10 -7 to the Se-S-Halogen alloy and having a sulfur content of about 10 to about 35% by weight based on the Se-S alloy, the thickness of said second layer being about 10 to about 100 microns, said second layer formed on top of an electrically conductive substrate.
Claim 2
Dependent Claim
130 words
A photoreceptor for electrophotography comprising: (1) a first layer of a Se-Te-Halogen alloy containing halogen in a weight ratio of 10 -3 to 10 -8 to the Se-Te-Halogen alloy and a Te content of about 5 to about 35% by weight of the Se-Te alloy, the thickness of said first layer being about 0.1 to 10 microns, said first layer formed on top of, (2) a second layer of an Se-S-Halogen alloy containing halogen in a weight ratio of 10 -2 to 10 -7 to the Se-S-Halogen alloy and having a sulfur content of about 10 to about 35% by weight based on the Se-S alloy, the thickness of said second layer being about 10 to about 100 microns, said second layer formed on top of an electrically conductive substrate.
Claim 3
Dependent Claim
21 words
The photoreceptor for electrophotography according to claim 1, wherein: said Se-S-Halogen layer has a thickness of about 20 to 70 microns.
Claim 4
Dependent Claim
30 words
The photoreceptor for electrophotography according to claim 1, wherein: halogen in said Se-S-Halogen layer is at least one halogen selected from a group consisting of fluorine, chlorine, bromine and iodine.
Claim 5
Dependent Claim
41 words
The photoreceptor for electrophotography according to claim 1, wherein: said Se-S-Halogen layer contains at least one halogen selected from a group consisting of chlorine, bromine and iodine in a weight ratio of 10 -3 to 10 -5 to the Se-S-Halogen alloy.
Claim 6
Dependent Claim
29 words
The photoreceptor for electrophotography according to claim 1, wherein: halogen in said Se-Te-Halogen layer is at least one halogen selected from a group consisting of chlorine, bromine and iodine.
Claim 7
Dependent Claim
41 words
The photoreceptor for electrophotography according to claim 1, wherein: said Se-Te-Halogen layer contains at least one halogen selected from a group consisting of chlorine, bromine and iodine in a weight ratio of 10 -3 to 10 -5 to the Se-Te-Halogen alloy.
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) | 1983-10-07 | 1984-04-07 | 1984-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-10-07 | 1988-04-07 | 1988-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-10-07 | 1992-04-07 | 1992-10-07 | $7700.00 | Window Closed / Lapsed |