US4786572A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrophotographic member with silicide interlayer
Assignee: Sanyo Electric Co Ltd
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Filing: 1987-07-20
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Granted: 1988-11-22
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Expires: 2007-07-20
Abstract
Abstract An electrophotographic photosensitive member comprising (a) a substrate made of an electrically conductive material, (b) a silicide layer formed on the surface of the substrate, and (c) a photoconductive layer superposed on the silicide layer being composed chiefly of amorphous silicon; which is usable for copying machines and intelligent copying machine.
Inventors
- 👤 Hisao Haku
- 👤 Kazuyuki Goto
- 👤 Masaru Takeuchi
- 👤 Takeo Fukatsu
- 👤 Yukinori Kuwano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:13
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/14; G03G5/142; G03G5/144; G03G5/02; G03G5/04; G03G5/08; G03G5/082; G03G5/08214; G03G5/08221; G03G5/08228; G03G5/08235; G03G5/08242
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
61 words
An electrophotographic photosensitive member comprising: (a) a substrate made of an electrically conductive material; (b) a silicide layer formed on the surface of the substrate wherein the silicide is selected from the group consisting of Co silicide, Mo silicide, and W silicide; and (c) a photoconductive layer superposed on the silicide layer being composed chiefly of amorphous silicon and containing hydrogen.
Claim 2
Dependent Claim
61 words
An electrophotographic photosensitive member comprising: (a) a substrate made of an electrically conductive material; (b) a silicide layer formed on the surface of the substrate wherein the silicide is selected from the group consisting of Co silicide, Mo silicide, and W silicide; and (c) a photoconductive layer superposed on the silicide layer being composed chiefly of amorphous silicon and containing hydrogen.
Claim 3
Dependent Claim
18 words
A photosensitive member as defined in claim 1 wherein the substrate is made of aluminum or stainless steel.
Claim 4
Dependent Claim
17 words
A photosensitive member as defined in claim 1 wherein the silicide layer has a thickness of 10-10000Å.
Claim 5
Dependent Claim
20 words
A photosensitive member as defined in claim 1 wherein the photoconductive layer has a surface layer having charge retaining ability.
References Cited (Backward Citations)
US4356246A
Cited
US4582772A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-11-22 | 1992-05-23 | 1992-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-11-22 | 1996-05-23 | 1996-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-11-22 | 2000-05-23 | 2000-11-22 | $7700.00 | Window Closed / Lapsed |