Patent US4666807A successfully refreshed from Google Patents.
US4666807A
Expired / Lapsed
US
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Photoconductive member
Assignee: Canon Inc
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Filing: 1985-12-20
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Granted: 1987-05-19
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Expires: 2005-12-20
Abstract
Abstract A light-receiving member comprises a substrate for light-receiving member and a light-receiving layer having photoconductivity provided on said substrate, said light-receiving layer comprising from the side of said substrate a first layer (I) comprising an amorphous material containing silicon atoms, a second layer (II) comprising an amorphous material containing silicon atoms and germanium atoms and a third layer (III) comprising an amorphous material containing silicon atoms and nitrogen atoms, and the germanium atoms contained in said second layer (II) being distributed ununiformly in the layer thickness direction of said layer.
Inventors
- 👤 Keishi Saitoh
- 👤 Yukihiko Ohnuki
- 👤 Shigeru Ohno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:15
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/08; G03G5/082; G03G5/08214; G03G5/08235; G03G5/08242
Claims Analysis
Total Claims: 52
Claim 1
Independent Claim
136 words
A light-receiving member comprising a substrate for a light-receiving member and a light-receiving layer having photoconductivity provided on said substrate, said light-receiving layer comprising from the side of said substrate a first layer (I) comprising an amorphous material containing silicon atoms and 1-40 atomic % of at least one of hydrogen atoms and halogen atoms, a second layer (II) comprising an amorphous material containing silicon atoms and 1-9.5×10 5 atomic ppm of germanium atoms and 0.01-40 atomic % of at least one of hydrogen atoms and halogen atoms and a third layer (III) comprising an amorphous material containing silicon atoms and 0.001-60 atomic % of nitrogen atoms, and having a layer thickness of 0.003-30 μm, and the germanium atoms contained in said second layer (II) being distributed ununiformly in the layer thickness direction of said layer.
Claim 2
Dependent Claim
136 words
A light-receiving member comprising a substrate for a light-receiving member and a light-receiving layer having photoconductivity provided on said substrate, said light-receiving layer comprising from the side of said substrate a first layer (I) comprising an amorphous material containing silicon atoms and 1-40 atomic % of at least one of hydrogen atoms and halogen atoms, a second layer (II) comprising an amorphous material containing silicon atoms and 1-9.5×10 5 atomic ppm of germanium atoms and 0.01-40 atomic % of at least one of hydrogen atoms and halogen atoms and a third layer (III) comprising an amorphous material containing silicon atoms and 0.001-60 atomic % of nitrogen atoms, and having a layer thickness of 0.003-30 μm, and the germanium atoms contained in said second layer (II) being distributed ununiformly in the layer thickness direction of said layer.
Claim 3
Dependent Claim
29 words
A light-receiving member according to claim 1, wherein a substance for controlling conductivity is contained in at least one of the first layer (I) and the second layer (II).
Claim 4
Dependent Claim
29 words
A light-receiving member according to claim 1, wherein a substance for controlling conductivity is contained in at least one of the first layer (I) and the second layer (II).
Claim 5
Dependent Claim
25 words
A light-receiving member according to claim 2, wherein the substance for controlling conductivity is an atom belonging to the group III of the periodic table.
Claim 6
Dependent Claim
25 words
A light-receiving member according to claim 3, wherein the substance for controlling conductivity is an atom belonging to the group III of the periodic table.
Claim 7
Dependent Claim
25 words
A light-receiving member according to claim 2, wherein the substance for controlling conductivity is an atom belonging to the group V of the periodic table.
Claim 8
Dependent Claim
25 words
A light-receiving member according to claim 3, wherein the substance for controlling conductivity is an atom belonging to the group V of the periodic table.
Claim 9
Dependent Claim
33 words
A light-receiving member according to claim 1, wherein at least one of oxygen atoms and carbon atoms are contained in at least one of the first layer (I) and the second layer (II).
Claim 10
Dependent Claim
31 words
A light-receiving member according to claim 2, wherein the distribution of the substance for controlling conductivity in a layer region (PN) containing the substance is uniform in the layer thickness direction.
Claim 11
Dependent Claim
31 words
A light-receiving member according to claim 2, wherein the distribution of the substance for controlling conductivity in a layer region (PN) containing the substance is ununiform in the layer thickness direction.
Claim 12
Dependent Claim
23 words
A light-receiving member according to claim 1, wherein the first layer (I) has a layer region (PN) containing a substance for controlling conductivity.
Claim 13
Dependent Claim
28 words
A light-receiving member according to claim 11, wherein the content of the substance for controlling conductivity in the layer region (PN) is 0.001 to 5×10 4 atomic ppm.
Claim 14
Dependent Claim
29 words
A light-receiving layer according to claim 11, wherein the layer region (PN) is provided in the end portion layer region of the first layer (I) on the substrate side.
Claim 15
Dependent Claim
22 words
A light-receiving layer according to claim 11, wherein the layer region (PN) comprises the entire layer region of the first layer (I).
Claim 16
Dependent Claim
46 words
A light-receiving layer according to claim 11, wherein there is provided a layer region (Z) containing the substance for controlling conductivity in a content different from that of the substance for controlling conductivity contained in the layer region (PN) in contact with the layer region (PN).
Claim 17
Dependent Claim
28 words
A light-receiving member accoring to claim 15, wherein the content of the substance for cotrolling conductivity contained in the layer region (Z) is 0.001 to 1000 atomic ppm.
Claim 18
Dependent Claim
23 words
A light-receiving member according to claim 1, wherein the second layer (II) contains a layer region (PN) containing a substance for controlling conductivity.
Claim 19
Dependent Claim
28 words
A light-receiving member according to claim 17, wherein the content of the substance for controlling conductivity in the layer region (PN) is 0.001 to 5×10 4 atomic ppm.
Claim 20
Dependent Claim
29 words
A light-receiving layer according to claim 17, wherein the layer region (PN) is provided in the end portion layer region of the second layer (II) on the substrate side.
Claim 21
Dependent Claim
22 words
A light-receiving layer according to claim 17, wherein the layer region (PN) comprises the entire layer region of the first layer (I).
Claim 22
Dependent Claim
46 words
A light-receiving layer according to claim 17, wherein there is provided a layer region (Z) containing the substance for controlling conductivity in a content different from that of the substance for controlling conductivity contained in the layer region (PN) in contact with the layer region (PN).
Claim 23
Dependent Claim
28 words
A light-receiving member according to claim 21, wherein the content of the substance for controlling conductivity contained in the layer region (Z) is 0.001 to 1000 atomic ppm.
Claim 24
Dependent Claim
27 words
A light-receiving member according to claim 1, wherein the layer thickness of the first layer (I) is smaller than the layer thickness of the second layer (II).
Claim 25
Dependent Claim
27 words
A light-receiving member according to claim 1, wherein the layer thickness of the first layer (I) is bigger than the layer thickness of the second layer (II).
Claim 26
Dependent Claim
19 words
A light-receiving member according to claim 1, wherein the first layer (I) has the function as a charge-generating layer.
Claim 27
Dependent Claim
19 words
A light-receiving member according to claim 1, wherein the first layer (I) has the function as a charge-transport layer.
Claim 28
Dependent Claim
19 words
A light-receiving member according to claim 1, wherein the second layer (II) has the function as a charge-generating layer.
Claim 29
Dependent Claim
19 words
A light-receiving member according to claim 1, wherein the second layer (II) has the function as a charge-transport layer.
Claim 30
Dependent Claim
21 words
A light-receiving member according to claim 1, wherein the first layer (I) has a thickness of 1000 Å to 50 μm.
Claim 31
Dependent Claim
21 words
A light-receiving member according to claim 1, wherein the second layer (II) has a thickness of 1000 Å to 50 μm.
Claim 32
Dependent Claim
22 words
A light-receiving member according to claim 1, wherein the first layer (I) contains at least one of oxygen atoms and carbon atoms.
Claim 33
Dependent Claim
22 words
A light-receiving member according to claim 1, wherein the second layer (II) contains at least one of oxygen atoms and carbon atoms.
Claim 34
Dependent Claim
24 words
A light-receiving member according to claim 1, wherein the first layer (I) has a layer region (OC) containing 0.001-50 atomic % of oxygen atoms.
Claim 35
Dependent Claim
24 words
A light-receiving member according to claim 1, wherein the first layer (I) has a layer region (OC) containing 0.001-50 atomic % of carbon atoms.
Claim 36
Dependent Claim
33 words
A light-receiving member according to claim 1, wherein the first layer (I) has the layer region (OC) containing 0.001-50 atomic % of the sum of the content of oxygen atoms and carbon atoms.
Claim 37
Dependent Claim
24 words
A light-receiving member according to claim 1, wherein the second layer (II) has a layer region (OC) containing 0.001-50 atomic % of oxygen atoms.
Claim 38
Dependent Claim
24 words
A light-receiving member according to claim 1, wherein the second layer (II) has a layer region (OC) containing 0.001-50 atomic % of carbon atoms.
Claim 39
Dependent Claim
33 words
A light-receiving member according to claim 1, wherein the second layer (II) has the layer region (OC) containing 0.001-50 atomic % of the sum of the content of oxygen atoms and carbon atoms.
Claim 40
Dependent Claim
29 words
A light-receiving layer according to claim 33, wherein the layer region (OC) is provided in the end portion layer region of the first layer (I) on the substrate side.
Claim 41
Dependent Claim
29 words
A light-receiving layer according to claim 34, wherein the layer region (OC) is provided in the end portion layer region of the first layer (I) on the substrate side.
Claim 42
Dependent Claim
29 words
A light-receiving layer according to claim 35, wherein the layer region (OC) is provided in the end portion layer region of the first layer (I) on the substrate side.
Claim 43
Dependent Claim
29 words
A light-receiving layer according to claim 36, wherein the layer region (OC) is provided in the end portion layer region of the second layer (II) on the substrate side.
Claim 44
Dependent Claim
29 words
A light-receiving layer according to claim 37, wherein the layer region (OC) is provided in the end portion layer region of the second layer (II) on the substrate side.
Claim 45
Dependent Claim
29 words
A light-receiving layer according to claim 38, wherein the layer region (OC) is provided in the end portion layer region of the second layer (II) on the substrate side.
Claim 46
Dependent Claim
22 words
A light-receiving layer according to claim 33, wherein the layer region (OC) comprises the entire layer region of the first layer (I).
Claim 47
Dependent Claim
22 words
A light-receiving layer according to claim 34, wherein the laeyr region (OC) comprises the entire layer region of the first layer (I).
Claim 48
Dependent Claim
22 words
A light-receiving layer according to claim 35, wherein the layer region (OC) comprises the entire layer region of the first layer (I).
Claim 49
Dependent Claim
22 words
A light-receiving layer according to claim 36, wherein the layer region (OC) comprises the entire layer region of the second layer (II).
Claim 50
Dependent Claim
22 words
A light-receiving layer according to claim 37, wherein the layer region (OC) comprises the entire layer region of the second layer (II).
Claim 51
Dependent Claim
22 words
A light-receiving layer according to claim 38, wherein the layer region (OC) comprises the entire layer region of the second layer (II).
Claim 52
Dependent Claim
31 words
A light-receiving member according to claim 1, wherein an amorphous material contained in the third layer (III) is selected from the amorphous materials as represented by the following general formulae ##EQU1##
References Cited (Backward Citations)
US4471042A
Cited
US4378417A
Cited
US4490450A
Cited
US4491626A
Cited
JPS58187939A
Cited
US4495262A
Cited
US4513073A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-05-18 | 1990-11-17 | 1991-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-05-18 | 1994-11-17 | 1995-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-05-18 | 1998-11-17 | 1999-05-19 | $7700.00 | Window Closed / Lapsed |