US4650736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light receiving member having photosensitive layer with non-parallel interfaces
Assignee: Canon Inc
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Filing: 1985-02-08
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Granted: 1987-03-17
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Expires: 2005-02-08
Abstract
Abstract A light receiving member comprises a light receiving layer of a multi-layer structure having at least one photosensitive layer comprising an amorphous material containing silicon atoms on a substrate, said photosensitive layer having at least one pair of non-parallel interfaces within a short range and said non-parallel interfaces being arranged in a large number in at least one direction within a plane perpendicular to the layer thickness direction.
Inventors
- 👤 Keishi Saitoh
- 👤 Masahiro Kanai
- 👤 Tetsuo Sueda
- 👤 Teruo Misumi
- 👤 Yoshio Tsuezuki
- 👤 Kyosuke Ogawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:01
CPC Classifications
H; H10; H10F; H10F30/00; H10F30/10; H10F30/15; G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/08; G03G5/082; G03G5/08214; G03G5/08221; G03G5/08228; G03G5/08235; G03G5/08242
Claims Analysis
Total Claims: 43
Claim 1
Independent Claim
68 words
A light receiving member comprising a light receiving layer of a multi-layer structure having at least one photosensitive layer comprising an amorphous material containing silicon atoms on a substrate, said photosensitive layer having at least one pair of nonparallel interfaces within a short range and said non-parallel interfaces being arranged in a large number in at least one direction within a plane perpendicular to the layer thickness direction.
Claim 2
Dependent Claim
68 words
A light receiving member comprising a light receiving layer of a multi-layer structure having at least one photosensitive layer comprising an amorphous material containing silicon atoms on a substrate, said photosensitive layer having at least one pair of nonparallel interfaces within a short range and said non-parallel interfaces being arranged in a large number in at least one direction within a plane perpendicular to the layer thickness direction.
Claim 3
Dependent Claim
15 words
A light receiving member according to claim 1, wherein the non-parallel interfaces are arranged regularly.
Claim 4
Dependent Claim
15 words
A light receiving member according to claim 1, wherein the non-parallel interfaces are arranged periodically.
Claim 5
Dependent Claim
16 words
A light receiving member according to claim 1, wherein the short range is 0.3 to 500μ.
Claim 6
Dependent Claim
29 words
A light receiving member according to claim 1, wherein the non-parallel interfaces are formed on the basis of the unevenness arranged regularly provided on the surface of said substrate.
Claim 7
Dependent Claim
20 words
A light receiving member according to claim 5, wherein the said unevenness is formed by inverted V type linear projections.
Claim 8
Dependent Claim
27 words
A light receiving member according to claim 6, wherein the shape of the longitudinal section of said inverted V type linear projection is substantially a isosceles triangle.
Claim 9
Dependent Claim
28 words
A light receiving member according to claim 6, wherein the shape of the longitudinal section of said inverted V type linear projection is substantially a right angled triangle.
Claim 10
Dependent Claim
27 words
A light receiving member according to claim 6, wherein the shape of the longitudinal section of said inverted V type linear projection is substantially a scalene triangle.
Claim 11
Dependent Claim
13 words
A light receiving member according to claim 1, wherein the substrate is cylindrical.
Claim 12
Dependent Claim
25 words
A light receiving member according to claim 10, wherein the inverted V type linear projection has a spiral structure within the plane of the substrate.
Claim 13
Dependent Claim
17 words
A light receiving member according to claim 11, wherein the spiral structure is a multiple spiral structure.
Claim 14
Dependent Claim
21 words
A light receiving member according to claim 6, wherein the inverted V type projection is divided in its edge line direction.
Claim 15
Dependent Claim
29 words
A light receiving member according to claim 10, wherein the edge line direction of the inverted V type linear projection is along the center axis of the cylindrical substrate.
Claim 16
Dependent Claim
14 words
A light receiving member according to claim 5, wherein the unevenness has inclined planes.
Claim 17
Dependent Claim
15 words
A light receiving member according to claim 15, wherein the inclined planes are mirror finished.
Claim 18
Dependent Claim
37 words
A light receiving member according to claim 5, wherein on the free surface of the light receiving layer is formed an unevenness arranged with the same pitch as that of the unevenness provided on the substrate surface.
Claim 19
Dependent Claim
24 words
A light receiving member according to claim 5, wherein the pitch of the recessed portions of the unevenness is 0.3 μm to 500 μm.
Claim 20
Dependent Claim
25 words
A light receiving member according to claim 5, wherein the maximum depth of the recessed portions of the unevenness is 0.1 μm to 5 μm.
Claim 21
Dependent Claim
27 words
A light receiving member according to claim 1, wherein the light receiving layer has a charge injection preventive layer as its constituent layer on the substrate side.
Claim 22
Dependent Claim
23 words
A light receiving member according to claim 20, wherein a substance (C) for controlling conductivity is contained in the charge injection preventive layer.
Claim 23
Dependent Claim
31 words
A light receiving member according to claim 21, wherein the content of the substance (C) for controlling conductivity in the charge injection preventive layer is 0.001 to 5×10 4 atomic ppm.
Claim 24
Dependent Claim
23 words
A light receiving member according to claim 20, wherein the charge injection preventive layer has a thickness of 30 Å to 10 μm.
Claim 25
Dependent Claim
20 words
A light receiving member according to claim 1, wherein the photosensitive layer has a thickness of 1 to 100 μm.
Claim 26
Dependent Claim
20 words
A light receiving member according to claim 1, wherein a substance for controlling conductivity is contained in the photosensitive layer.
Claim 27
Dependent Claim
27 words
A light receiving member according to claim 25, wherein the content of the substance for controlling conductivity in the photosensitive layer is 0.001 to 1000 atomic ppm.
Claim 28
Dependent Claim
17 words
A light receiving member according to claim 1, wherein hydrogen atoms are contained in the photosensitive layer.
Claim 29
Dependent Claim
24 words
A light receiving member according to claim 7, wherein the content of hydrogen atoms in the photosensitive layer is 1 to 40 atomic %.
Claim 30
Dependent Claim
17 words
A light receiving member according to claim 1, wherein halogen atoms are contained in the photosensitive layer.
Claim 31
Dependent Claim
24 words
A light receiving member according to claim 29, wherein the content of halogen atoms in the photosensitive layer is 1 to 40 atomic %.
Claim 32
Dependent Claim
20 words
A light receiving member according to claim 1, wherein hydrogen atoms and halogen atoms are contained in the photosensitive layer.
Claim 33
Dependent Claim
30 words
A light receiving member according to claim 31, wherein the sum of the contents of hydrogen atoms and halogen atoms in the photosensitive layer is 1 to 40 atomic %.
Claim 34
Dependent Claim
30 words
A light receiving member according to claim 1, wherein the light receiving layer has a barrier layer comprising an electrically insulating material on the substrate side as its constituent layer.
Claim 35
Dependent Claim
30 words
A light receiving member according to claim 33, wherein the electrically insulating material is selected from Al 2 O 3 , SiO 2 , Si 3 N 4 and polycarbonate.
Claim 36
Dependent Claim
29 words
A light receiving member according to claim 1, wherein the light receiving layer contains at least one kind of atoms selected from oxygen atoms, carbon atoms and nitrogen atoms.
Claim 37
Dependent Claim
35 words
A light receiving member according to claim 1, wherein the light receiving layer has a layer region (OCN) containing at least one kind of atoms (OCN) selected from oxygen atoms, carbon atoms and nitrogen atoms.
Claim 38
Dependent Claim
31 words
A light receiving member according to claim 36, wherein the distribution concentration C (OCN) of the atoms (OCN) contained in the layer region (OCN) is uniform in the layer thickness direction.
Claim 39
Dependent Claim
31 words
A light receiving member according to claim 36, wherein the distribution concentration C (OCN) of the atoms (OCN) contained in the layer region (OCN) is uniform in the layer thickness direction.
Claim 40
Dependent Claim
28 words
A light receiving member according to claim 36, wherein the layer region (OCN) is provided at the end portion on the substrate side of the light receiving layer.
Claim 41
Dependent Claim
26 words
A light receiving member according to claim 36, wherein the content of the atoms (OCN) in the layer region (OCN) is 0.001 to 50 atomic %.
Claim 42
Dependent Claim
48 words
A light receiving member according to claim 36, wherein the proportion of the layer thickness of the layer region (OCN) occupied in the light receiving layer is 2/5 or higher and the content of the atoms (OCN) in the layer region (OCN) is 30 atomic % or less.
Claim 43
Dependent Claim
44 words
An electrophotographic imge forming process comprising: (a) applying a charging treatment to the light receiving member of claim 1; (b) irradiating the light receiving member with a laser beam carrying information to form an electrostatic latent image; and (c) developing said electrostatic latent image.
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) | 1990-03-16 | 1990-09-15 | 1991-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-03-16 | 1994-09-15 | 1995-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-03-16 | 1998-09-15 | 1999-03-17 | $7700.00 | Window Closed / Lapsed |