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US4592983A Expired / Lapsed US ⏱️ 0.0 years remaining

Photoconductive member having amorphous germanium and amorphous silicon regions with nitrogen

Assignee: Canon Inc
•
Filing: 1984-09-06
•
Granted: 1986-06-03
•
Expires: 2004-09-06
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Abstract

Abstract A photoconductive member comprises a substrate for photoconductive member and a light receiving layer having a layer constitution in which a first layer region (G) comprising an amorphous material containing germanium atoms and a second layer region (S) exhibiting photoconductivity comprising an amorphous material containing silicon atoms are successively provided from the substrate side, said light receiving layer containing carbon atoms.

Inventors

  • 👤 Keishi Saitoh
  • 👤 Yukihiko Ohnuki
  • 👤 Shigeru Ohno

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 06:06
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/08; G03G5/082; G03G5/08214; G03G5/08235; G03G5/08242; G03G5/08221; G03G5/08228; G03G5/08292

Claims Analysis

Total Claims: 64
Claim 1
Independent Claim 130 words
A photoconductive member comprising a substrate for photoconductive member and a light receiving layer having a layer constitution in which a first layer region (G) comprising an amorphous material containing germanium atoms and at least one of hydrogen or halogen atoms present in amounts from 0.01 to 40 atomic percent and a second layer region (S) exhibiting photoconductivity comprising an amorphous material containing silicon atoms and at least one of hydrogen or halogen atoms present in amounts from 0.01 to 40 atomic percent are successively provided from the substrate side, carbon atoms being present in at least said first layer region (G) and wherein the content of germanium atoms in said first layer region (G) is 1 to 10×10 -5 atomic ppm based on the total of germanium and silicon.
Claim 2
Dependent Claim 130 words
A photoconductive member comprising a substrate for photoconductive member and a light receiving layer having a layer constitution in which a first layer region (G) comprising an amorphous material containing germanium atoms and at least one of hydrogen or halogen atoms present in amounts from 0.01 to 40 atomic percent and a second layer region (S) exhibiting photoconductivity comprising an amorphous material containing silicon atoms and at least one of hydrogen or halogen atoms present in amounts from 0.01 to 40 atomic percent are successively provided from the substrate side, carbon atoms being present in at least said first layer region (G) and wherein the content of germanium atoms in said first layer region (G) is 1 to 10×10 -5 atomic ppm based on the total of germanium and silicon.
Claim 3
Dependent Claim 28 words
A photoconductive member according to claim 1, wherein hydrogen atoms are contained in at least one of the first layer region (G) and the second layer region (S).
Claim 4
Dependent Claim 28 words
A photoconductive member according to claim 1, wherein halogen atoms are contained in at least one of the first layer region (G) and the second layer region (S).
Claim 5
Dependent Claim 31 words
A photoconductive member according to claim 1, wherein hydrogen atoms and halogen atoms are contained in at least one of the first layer region (G) and the second layer region (S).
Claim 6
Dependent Claim 31 words
A photoconductive member according to claim 1, wherein a substance for controlling conductivity is contained in at least one of the first layer region (G) and the second layer region (S).
Claim 7
Dependent Claim 28 words
A photoconductive member according to claim 5, wherein hydrogen atoms are contained in at least one of the first layer region (G) and the second layer region (S).
Claim 8
Dependent Claim 28 words
A photoconductive member according to claim 5, wherein halogen atoms are contained in at least one of the first layer region (G) and the second layer region (S).
Claim 9
Dependent Claim 25 words
A photoconductive member according to claim 5, wherein the substance for controlling conductivity is an atom belonging to the group III of the periodic table.
Claim 10
Dependent Claim 25 words
A photoconductive member according to claim 5, wherein the substance for controlling conductivity is an atom belonging to the group V of the periodic table.
Claim 11
Dependent Claim 31 words
A photoconductive member according to claim 5, wherein hydrogen atoms and halogen atoms are contained in at least one of the first layer region (G) and the second layer region (S).
Claim 12
Dependent Claim 24 words
A photoconductive member according to claim 1, wherein the content of carbon atoms in the light receiving layer is 0.001 to 50 atomic %.
Claim 13
Dependent Claim 24 words
A photoconductive member according to claim 1, wherein 0.01 to 40 atomic % of hydrogen atoms are contained in the first layer region (G).
Claim 14
Dependent Claim 24 words
A photoconductive member according to claim 1, wherein 0.01 to 40 atomic % of halogen atoms are contained in the first layer region (G).
Claim 15
Dependent Claim 30 words
A photoconductive member according to claim 1, wherein 0.01 to 40 atomic % as the total of hydrogen atoms and halogen atoms are contained in the first layer region (G).
Claim 16
Dependent Claim 24 words
A photoconductive member according to claim 1, wherein 1 to 40 atomic % of hydrogen atoms are contained in the second layer region (S).
Claim 17
Dependent Claim 24 words
A photoconductive member according to claim 1, wherein 1 to 40 atomic % of halogen atoms are contained in the second layer region (S).
Claim 18
Dependent Claim 30 words
A photoconductive member according to claim 1, wherein 1 to 40 atomic % as the total of hydrogen atoms and halogen atoms are contained in the second layer region (S).
Claim 19
Dependent Claim 22 words
A photoconductive member according to claim 1, wherein the first layer region (G) has a layer thickness of 30 Å to 50μ.
Claim 20
Dependent Claim 21 words
A photoconductive member according to claim 1, wherein the second layer region (S) has a layer thickness of 0.5 to 90μ.
Claim 21
Dependent Claim 20 words
A photoconductive member according to claim 1, wherein the light receiving layer has a layer thickness of 1 to 100μ.
Claim 22
Dependent Claim 23 words
A photoconductive member according to claim 5, wherein the content of the substance for controlling conductivity is 0.01 to 5×10 4 atomic ppm.
Claim 23
Dependent Claim 20 words
A photoconductive member according to claim 1, wherein a substance for controlling conductivity is contained in the light receiving layer.
Claim 24
Dependent Claim 23 words
A photoconductive member according to claim 1, wherein the light receiving layer has a layer region (PN) containing a substance for controlling conductivity.
Claim 25
Dependent Claim 23 words
A photoconductive member according to claim 22, wherein the content of the substance for controlling conductivity is 0.01 to 5×10 4 atomic ppm.
Claim 26
Dependent Claim 48 words
A photoconductive member according to claim 23, wherein the layer region (Z) at the portion excluding the layer region (PN) contains a substance for controlling conductivity of the polarity different from the polarity for the conductivity of the substance for controlling conductivity contained in the layer region (PN).
Claim 27
Dependent Claim 38 words
A photoconductive member according to claim 25, wherein the content of the substance for controlling conductivity contained in the layer region (Z) is smaller than that of the substance for controlling conductivity contained in the layer region (PN).
Claim 28
Dependent Claim 158 words
A photoconductive member comprising a substrate for photoconductive member and a light receiving layer comprising a first layer with a layer constitution in which a first layer region (G) comprising an amorphous material containing germanium atoms and at least one of hydrogen and halogen atoms present in amounts from 0.01 to 40 atomic percent and a second layer region (S) exhibiting photoconductivity comprising an amorphous material containing silicon atoms and at least one of hydrogen and halogen atoms present in amounts from 0.01 to 40 atomic percent are successively provided from the substrate side and a second layer comprising an amorphous material containing at least one of nitrogen atoms and oxygen atoms in a matrix of silicon atoms, carbon atoms being present in at least said first layer region (G) and wherein the content of germanium atoms in said first layer region (G) is 1 to 10×10 5 atomic ppm based on the total of germanium and silicon.
Claim 29
Dependent Claim 158 words
A photoconductive member comprising a substrate for photoconductive member and a light receiving layer comprising a first layer with a layer constitution in which a first layer region (G) comprising an amorphous material containing germanium atoms and at least one of hydrogen and halogen atoms present in amounts from 0.01 to 40 atomic percent and a second layer region (S) exhibiting photoconductivity comprising an amorphous material containing silicon atoms and at least one of hydrogen and halogen atoms present in amounts from 0.01 to 40 atomic percent are successively provided from the substrate side and a second layer comprising an amorphous material containing at least one of nitrogen atoms and oxygen atoms in a matrix of silicon atoms, carbon atoms being present in at least said first layer region (G) and wherein the content of germanium atoms in said first layer region (G) is 1 to 10×10 5 atomic ppm based on the total of germanium and silicon.
Claim 30
Dependent Claim 28 words
A photoconductive member according to claim 27, wherein hydrogen atoms are contained in at least one of the first layer region (G) and the second layer region (S).
Claim 31
Dependent Claim 28 words
A photoconductive member according to claim 27, wherein halogen atoms are contained in at least one of the first layer region (G) and the second layer region (S).
Claim 32
Dependent Claim 31 words
A photoconductive member according to claim 27, wherein hydrogen atoms and halogen atoms are contained in at least one of the first layer region (G), and the second layer region (S).
Claim 33
Dependent Claim 31 words
A photoconductive member according to claim 27, wherein a substance for controlling conductivity is contained in at least one of the first layer region (G) and the second layer region (S).
Claim 34
Dependent Claim 28 words
A photoconductive member according to claim 31, wherein hydrogen atoms are contained in at least one of the first layer region (G) and the second layer region (S).
Claim 35
Dependent Claim 28 words
A photoconductive member according to claim 31, wherein halogen atoms are contained in at least one of the first layer region (G) and the second layer region (S).
Claim 36
Dependent Claim 31 words
A photoconductive member according to claim 31, wherein hydrogen atoms and halogen atoms are contained in at least one of the first layer region (G) and the second layer region (S).
Claim 37
Dependent Claim 25 words
A photoconductive member according to claim 31, wherein the substance for controlling conductivity is an atom belonging to the group III of the periodic table.
Claim 38
Dependent Claim 25 words
A photoconductive member according to claim 31, wherein the substance for controlling conductivity is an atom belonging to the group V of the periodic table.
Claim 39
Dependent Claim 24 words
A photoconductive member according to claim 27, wherein 0.01 to 40 atomic % of hydrogen atoms are contained in the first layer region (G).
Claim 40
Dependent Claim 24 words
A photoconductive member according to claim 27, wherein 0.01 to 40 atomic % of halogen atoms are contained in the first layer region (G).
Claim 41
Dependent Claim 30 words
A photoconductive member according to claim 27, wherein 0.01 to 40 atomic % as the total of hydrogen atoms and halogen atoms are contained in the first layer region (G).
Claim 42
Dependent Claim 23 words
A photoconductive member according to claim 27, wherein the content of carbon atoms in the first layer is 0.001 to 50 atomic %.
Claim 43
Dependent Claim 24 words
A photoconductive member according to claim 27, wherein 1 to 40 atomic % of hydrogen atoms are contained in the second layer region (S).
Claim 44
Dependent Claim 24 words
A photoconductive member according to claim 27, wherein 1 to 40 atomic % of halogen atoms are contained in the second layer region (S).
Claim 45
Dependent Claim 30 words
A photoconductive member according to claim 27, wherein 1 to 40 atomic % as the total of hydrogen atoms and halogen atoms are contained in the second layer region (S).
Claim 46
Dependent Claim 22 words
A photoconductive member according to claim 27, wherein the first layer region (G) has a layer thickness of 30 Å to 50μ.
Claim 47
Dependent Claim 21 words
A photoconductive member according to claim 27, wherein the second layer region (S) has a layer thickness of 0.5 to 90μ.
Claim 48
Dependent Claim 19 words
A photoconductive member according to claim 27, wherein the first layer has a layer thickness of 1 to 100μ.
Claim 49
Dependent Claim 23 words
A photoconductive member according to claim 31, wherein the content of the substance for controlling conductivity is 0.01 to 5×10 4 atomic ppm.
Claim 50
Dependent Claim 16 words
A photoconductive member according to claim 27, wherein hydrogen atoms are contained in the second layer.
Claim 51
Dependent Claim 16 words
A photoconductive member according to claim 27, wherein halogen atoms are contained in the second layer.
Claim 52
Dependent Claim 19 words
A photoconductive member according to claim 27, wherein hydrogen atoms and halogen atoms are contained in the second layer.
Claim 53
Dependent Claim 19 words
A photoconductive member according to claim 27, wherein the second layer has a layer thickness of 0.003 to 30μ.
Claim 54
Dependent Claim 19 words
A photoconductive member according to claim 27, wherein a substance for controlling conductivity is contained in the first layer.
Claim 55
Dependent Claim 22 words
A photoconductive member according to claim 27, wherein the first layer has a layer region (PN) containing a substance for controlling conductivity.
Claim 56
Dependent Claim 23 words
A photoconductive member according to claim 52, wherein the content of the substance for controlling conductivity is 0.01 to 5×10 4 atomic ppm.
Claim 57
Dependent Claim 48 words
A photoconductive member according to claim 53, wherein the layer region (Z) at the portion excluding the layer region (PN) contains a substance for controlling conductivity of the polarity different from the polarity for the conductivity of the substance for controlling conductivity contained in the layer region (PN).
Claim 58
Dependent Claim 38 words
A photoconductive member according to claim 55, wherein the content of the substance for controlling conductivity contained in the layer region (Z) is smaller than that of the substance for controlling conductivity contained in the layer region (PN).
Claim 59
Dependent Claim 29 words
A photoconductive member according to claim 55, wherein the content of the substance for controlling conductivity contained in the layer region (PN) is 0.01 to 5×10 4 atomic ppm.
Claim 60
Dependent Claim 28 words
A photoconductive member according to claim 55, wherein the content of the substance for controlling conductivity contained in the layer region (Z) is 0.001 to 1000 atomic ppm.
Claim 61
Dependent Claim 157 words
An electrophotographic process which comprises: (a) applying a charging treatment to a photoconductive member comprising substrate for photoconductive member and a light receiving layer having a layer constitution in which a first layer region (G) comprising an amorphous material containing germanium atoms and at least one of hydrogen and halogen atoms present in amounts from 0.01 to 40 atomic percent and a second layer region (S) exhibiting photoconductivity comprising an amorphous material containing silicon atoms and at least one of hydrogen and halogen atoms present in amounts from 0.01 to 40 atomic percent are successively provided from the substrate side, carbon atoms being present in at least said first layer region (G) and wherein the content of germanium atoms in said first layer gegion (G) is 1 to 10×10 5 atomic ppm based on the total of germanium and silicon; and (b) irradiating said photoconductive member with an electromagnetic wave carrying information thereby forming an electrostatic image.
Claim 62
Dependent Claim 157 words
An electrophotographic process which comprises: (a) applying a charging treatment to a photoconductive member comprising substrate for photoconductive member and a light receiving layer having a layer constitution in which a first layer region (G) comprising an amorphous material containing germanium atoms and at least one of hydrogen and halogen atoms present in amounts from 0.01 to 40 atomic percent and a second layer region (S) exhibiting photoconductivity comprising an amorphous material containing silicon atoms and at least one of hydrogen and halogen atoms present in amounts from 0.01 to 40 atomic percent are successively provided from the substrate side, carbon atoms being present in at least said first layer region (G) and wherein the content of germanium atoms in said first layer gegion (G) is 1 to 10×10 5 atomic ppm based on the total of germanium and silicon; and (b) irradiating said photoconductive member with an electromagnetic wave carrying information thereby forming an electrostatic image.
Claim 63
Dependent Claim 179 words
An electrophotographic process which comprises: (a) applying a charging treatment to photoconductive member and a light receiving layer comprising a first layer with a layer constitution in which a first layer region (G) comprising an amorphous material containing germanium atoms and at least one of hydrogen and halogen atoms present in amounts from 0.01 to 40 atomic percent and a second layer region (S) exhibiting photoconductivity comprising an amorphous material containing silicon atoms and at least one of hydrogen and halogen atoms present in amounts from 0.01 to 40 atomic percent are successively provided from the substrate side and a second layer comprising an amorphous material containing at least one of nitrogen atoms and oxygen atoms in a matrix of silicon atoms, carbon atoms being present in at least said first layer region (G) and wherein the content of germanium atoms in said first layer region (G) is 1 to 10×10 5 atomic ppm based on the total of germanium and silicon; and (b) irradiating said photoconductive member with an electromagnetic wave carrying information thereby forming an electrostatic image.
Claim 64
Dependent Claim 179 words
An electrophotographic process which comprises: (a) applying a charging treatment to photoconductive member and a light receiving layer comprising a first layer with a layer constitution in which a first layer region (G) comprising an amorphous material containing germanium atoms and at least one of hydrogen and halogen atoms present in amounts from 0.01 to 40 atomic percent and a second layer region (S) exhibiting photoconductivity comprising an amorphous material containing silicon atoms and at least one of hydrogen and halogen atoms present in amounts from 0.01 to 40 atomic percent are successively provided from the substrate side and a second layer comprising an amorphous material containing at least one of nitrogen atoms and oxygen atoms in a matrix of silicon atoms, carbon atoms being present in at least said first layer region (G) and wherein the content of germanium atoms in said first layer region (G) is 1 to 10×10 5 atomic ppm based on the total of germanium and silicon; and (b) irradiating said photoconductive member with an electromagnetic wave carrying information thereby forming an electrostatic image.

References Cited (Backward Citations)

US4451546A Cited
US4491626A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1989-06-02 1989-12-02 1990-06-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1993-06-02 1993-12-02 1994-06-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1997-06-02 1997-12-02 1998-06-03 $7700.00 Window Closed / Lapsed

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