US4743522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photosensitive member with hydrogen-containing carbon layer
Assignee: Minolta Co Ltd
•
Filing: 1986-09-10
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Granted: 1988-05-10
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Expires: 2006-09-10
Abstract
Abstract The present invention provides a photosensitive member comprising a carrier transporting layer of hydrogen-containing carbon and an adhesive layer of hydrogen-containing carbon, said adhesive layer comprising at least one element selected from silicon, germanium and aluminum. The photosensitive member of the present invention is excellent in a charge transporting property, an adhesive property of a substrate with a hydrogen-containing layer, a chargeability, a rigidity and resistances to corona, acid, moisture and heat.
Inventors
- 👤 Shuji Iino
- 👤 Hideo Hotomi
- 👤 Izumi Osawa
- 👤 Mitsutoshi Nakamura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:22
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/08; G03G5/082; G03G5/08285; G03G5/08214; G03G5/08221; G03G5/08228
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
100 words
A photosensitive member comprising: an electrically conductive substrate; an adhesive layer on said substrate comprising amorphous carbon containing hydrogen, said adhesive layer comprising at least one element selected from silicon, germanium and aluminum, and having a thickness of about 0.01 μm to 0.5 μm; a charge transporting layer comprising amorphous carbon containing hydrogen, said hydrogen being contained in an amount of about 0.1 to 67 atomic percent based on the amount of all atoms contained in said charge transporting layer and said charge transporting layer having a relative dielectric constant of about 2.0 to 6.0; and a charge generating layer.
Claim 2
Dependent Claim
100 words
A photosensitive member comprising: an electrically conductive substrate; an adhesive layer on said substrate comprising amorphous carbon containing hydrogen, said adhesive layer comprising at least one element selected from silicon, germanium and aluminum, and having a thickness of about 0.01 μm to 0.5 μm; a charge transporting layer comprising amorphous carbon containing hydrogen, said hydrogen being contained in an amount of about 0.1 to 67 atomic percent based on the amount of all atoms contained in said charge transporting layer and said charge transporting layer having a relative dielectric constant of about 2.0 to 6.0; and a charge generating layer.
Claim 3
Dependent Claim
17 words
A photosensitive member of claim 1, in which said element is uniformly contained in said adhesive layer.
Claim 4
Dependent Claim
43 words
A photosensitive member of claim 2, in which the amount of said element represented by the formula of M/(C+M) (in which C is the amount of the carbon and M is the amount of the element) is about 5 to 95 atomic %.
Claim 5
Dependent Claim
21 words
A photosensitive member of claim 1, in which said element is distributed irregularly in the direction of the layer thickness direction.
Claim 6
Dependent Claim
37 words
A photosensitive member of claim 1, in which hydrogen contained in said adhesive layer is in an amount of about 0.1 to 67 atomic % based on the amount of all atoms contained in said adhesive layer.
Claim 7
Dependent Claim
40 words
A photosensitive member of claim 1, in which said hydrogen is preferably contained in the charge transporting layer in an amount of 30 to 60 atomic % based on the amount of all atoms contained in said charge transporting layer.
Claim 8
Dependent Claim
84 words
A photosensitive member comprising: an electrically conductive substrate; an adhesive layer on said substrate comprising amorphous carbon containing hydrogen, said adhesive layer comprising at least one element selected from silicon, germanium and aluminum, and having a thickness of about 0.01 μm to 0.5 μm; a charge transporting layer comprising amorphous carbon containing hydrogen, said hydrogen being in an amount of about 0.1 to 67 atomic percent based on the amount of all atoms contained in said charge transporting layer; and a charge generating layer.
Claim 9
Dependent Claim
84 words
A photosensitive member comprising: an electrically conductive substrate; an adhesive layer on said substrate comprising amorphous carbon containing hydrogen, said adhesive layer comprising at least one element selected from silicon, germanium and aluminum, and having a thickness of about 0.01 μm to 0.5 μm; a charge transporting layer comprising amorphous carbon containing hydrogen, said hydrogen being in an amount of about 0.1 to 67 atomic percent based on the amount of all atoms contained in said charge transporting layer; and a charge generating layer.
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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) | 1991-05-10 | 1991-11-09 | 1992-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-05-10 | 1995-11-09 | 1996-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-05-10 | 1999-11-09 | 2000-05-10 | $7700.00 | Window Closed / Lapsed |