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US4394425A Expired / Lapsed US ⏱️ 0.0 years remaining

Photoconductive member with α-Si(C) barrier layer

Assignee: Canon Inc
•
Filing: 1981-09-04
•
Granted: 1983-07-19
•
Expires: 2001-09-04
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Abstract

Abstract A photoconductive member comprises a support, a photoconductive layer constituted of an amorphous material containing silicon atoms as matrix and containing hydrogen atoms or halogen atoms, and an intermediate layer provided between them, said intermediate layer having a function to bar penetration of carriers from the side of the support into the photoconductive layer and to permit passage from the photoconductive layer to the support of photocarriers generated in the photoconductive layer by projection of electromagnetic waves and movement of the photocarriers toward the side of the support, and said intermediate layer being constituted of an amorphous material containing silicon atoms and carbon atoms a constituents. A photoconductive member having a support, a photoconductive layer constituted of an amorphous material containing silicon atoms as matrix and containing hydrogen atoms or halogen atoms as a constituent, and an intermediate layer provided between said support and said photoconductive layer, is characterized in that said intermediate layer is constituted of an amorphous material containing silicon atoms and carbon atoms as constitution elements. A photoconductive member having a support, a photoconductive layer constituted of an amorphous material containing silicon atoms as matrix and containing hydrogen atoms or halogen atoms as a constituent, and an intermediate layer provided between said support and said photoconductive layer, characterized in that said intermediate layer is constituted of an amorphous material containing silicon atoms and carbon atoms as constitution element.

Inventors

  • 👤 Isamu Shimizu
  • 👤 Shigeru Shirai
  • 👤 Eiichi Inoue

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 07:20
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; G03G5/08235

Claims Analysis

Total Claims: 101
Claim 1
Independent Claim 128 words
A photoconductive member comprising: a support, a photoconductive layer consitituted of an amorphous material containing silicon atoms as a matrix and containing hydrogen atoms or halogen atoms, and an intermediate layer provided between them, said intermediate layer having a function to bar penetration of carriers from the side of the support into the photoconductive layer and to permit passage from the photoconductive layer to the support of photocarriers generated in the photoconductive layer by projection of electromagnetic waves and movement of the photocarriers toward the side of the support, and said intermediate layer being constituted of an amorphous material containing silicon atoms and carbon atoms as constituents and wherein said intermediate layer is non-photoconductive in the visible light region and is from 30 to 1,000 Angstroms in thickness.
Claim 2
Dependent Claim 128 words
A photoconductive member comprising: a support, a photoconductive layer consitituted of an amorphous material containing silicon atoms as a matrix and containing hydrogen atoms or halogen atoms, and an intermediate layer provided between them, said intermediate layer having a function to bar penetration of carriers from the side of the support into the photoconductive layer and to permit passage from the photoconductive layer to the support of photocarriers generated in the photoconductive layer by projection of electromagnetic waves and movement of the photocarriers toward the side of the support, and said intermediate layer being constituted of an amorphous material containing silicon atoms and carbon atoms as constituents and wherein said intermediate layer is non-photoconductive in the visible light region and is from 30 to 1,000 Angstroms in thickness.
Claim 3
Dependent Claim 24 words
A photoconductuve member according to claim 1, wherein amorphous material constituting the intermediate layer contains carbon atoms in the range of 60-90 atomic percent.
Claim 4
Dependent Claim 22 words
A photoconductive member according to claim 1, wherein said amorphous material constituting the intermediate layer further contains hydrogen atoms as a constituent.
Claim 5
Dependent Claim 21 words
A photoconductive member according to claim 3, wherein said amorphous material contains hydrogen atoms in the range of 2-35 atomic percent.
Claim 6
Dependent Claim 35 words
A photoconductive member according to claim 1, wherein said amorphous material constituting the intermediate layer contains carbon atoms in the range of 30-90 atomic percent and further hydrogen atoms 2-35 atomic percent as a constituent.
Claim 7
Dependent Claim 22 words
A photoconductive member according to claim 1, wherein said amorphous material constituting the intermediate layer further contains halogen atoms as a constituent.
Claim 8
Dependent Claim 21 words
A photoconductive member according to claim 6, wherein said amorphous material contains halogen atoms in the range of 1-20 atomic percent.
Claim 9
Dependent Claim 24 words
A photoconductive member according to claim 1, wherein said amorphous material constituting the intermediate layer further contains hydrogen atoms and halogen atoms as constituents.
Claim 10
Dependent Claim 29 words
A photoconductive member according to claim 8, wherein said amorphous material contains halogen atoms in the range of 1-20 atomic percent and hydrogen atoms up to 19 atomic percent.
Claim 11
Dependent Claim 14 words
A photoconductive member according to claim 1, wherein said intermediate layer is electrically insulative.
Claim 12
Dependent Claim 20 words
A photoconductive member according to claim 1, wherein said photoconductive layer has resistance of at least 5×10 9 Ω cm.
Claim 13
Dependent Claim 16 words
A photoconductive member according to claim 1, wherein said photoconductive layer is 1-100 microns in thickness.
Claim 14
Dependent Claim 21 words
A photoconductive member according to claim 1, wherein said photoconductive layer contains hydrogen atoms in the range of 1-40 atomic percent.
Claim 15
Dependent Claim 21 words
A photoconductive member according to claim 1, wherein said photoconductive layer contains halogen atoms in the range of 1-40 atomic percent.
Claim 16
Dependent Claim 26 words
A photoconductive member according to claim 1, wherein said photoconductive layer contains hydrogen atoms and halogen atoms in the range of 1-40 atomic percent in total.
Claim 17
Dependent Claim 14 words
A photoconductive member according to claim 1, wherein said photoconductive layer contains n-type impurity.
Claim 18
Dependent Claim 22 words
A photoconductive member according to claim 16, wherein said n-type impurity is an element in Group V A of the periodic table.
Claim 19
Dependent Claim 27 words
A photoconductive member according to claim 17, wherein said element in Group V A of the periodic table is selected from N, P, As, Sb and Bi.
Claim 20
Dependent Claim 24 words
A photoconductive member according to claim 16, wherein said photoconductive layer contains n-type impurity in the range of 10 -8 -10 -3 atomic ratio.
Claim 21
Dependent Claim 14 words
A photoconductive member according to claim 1, wherein said photoconductive layer contains p-type impurity.
Claim 22
Dependent Claim 22 words
A photoconductive member according to claim 20, wherein said p-type impurity is an element in Group III A of the periodic table.
Claim 23
Dependent Claim 23 words
A photoconductive member according to claim 21, wherein said element in Group III A is selected from B, Al, Ga, In and Tl.
Claim 24
Dependent Claim 24 words
A photoconductive member according to claim 20, wherein said photoconductive layer contains p-type impurity in the range of 10 -6 -10 -3 atomic ratio.
Claim 25
Dependent Claim 21 words
A photoconductive member according to claim 1, wherein an upper layer is provided on the upper surface of said photoconductive layer.
Claim 26
Dependent Claim 22 words
A photoconductive member according to claim 24, wherein said upper layer is composed of an amorphous material containing silicon atoms as matrix.
Claim 27
Dependent Claim 30 words
A photoconductive member according to claim 25, wherein said amorphous material further contains as constitution element at least one selected from the group consisting of carbon, oxygen and nitrogen atoms.
Claim 28
Dependent Claim 25 words
A photoconductive member according to claim 25 or 26, wherein said amorphous material further contains hydrogen atoms or halogen atoms or both as a constituent.
Claim 29
Dependent Claim 21 words
A photoconductive member according to claim 26, wherein said amorphous material contains carbon atoms in the range of 60-90 atomic percent.
Claim 30
Dependent Claim 33 words
A photoconductive member according to claim 25, wherein said upper layer contains carbon atoms in the range of 30-90 atomic percent and hydrogen atoms in the range of 2-35 atomic percent, each being.
Claim 31
Dependent Claim 38 words
A photoconductive member according to claim 25, wherein said upper layer contains carbon atoms in the range of 40-90 atomic percent, halogen atoms in the range of 1-20 atomic percent and hydrogen atoms up to 19 atomic percent.
Claim 32
Dependent Claim 16 words
A photoconductive member according to claim 24, wherein said upper layer is 30-1000 A in thickness.
Claim 33
Dependent Claim 17 words
A photoconductive member according to claim 24, wherein said upper layer is composed of inorganic insulating materials.
Claim 34
Dependent Claim 17 words
A photoconductive member according to claim 24, wherein said upper layer is composed of organic insulating materials.
Claim 35
Dependent Claim 18 words
A photoconductive member according to claim 24, wherein said upper layer is non-photoconductive with respect to visible rays.
Claim 36
Dependent Claim 14 words
A photoconductive member according to claim 24, wherein said upper layer is electrically insulative.
Claim 37
Dependent Claim 24 words
A photoconductive member according to claim 1 or 24, wherein said photoconductive member further comprises a surface protecting layer of 0.5-70 microns in thickness.
Claim 38
Dependent Claim 40 words
A photoconductive member according to claim 1, wherein said intermediate layer contains carbon atoms in the range of 40-90 atomic percent, and further halogen atoms in the range of 1-20 atomic percent and hydrogen atoms up to 19 atomic percent.
Claim 39
Dependent Claim 17 words
A photoconductive member according to claim 1, wherein halogen atom is selected from F, Cl and Br.
Claim 40
Dependent Claim 83 words
A photoconductive member having a support, a photoconductive layer constituted of an amorphous material containing silicon atoms as matrix and containing hydrogen atoms and halogen atoms as a constituent, and an intermediate layer provided between said support and said photoconductive layer, characterized in that said intermediate layer is constituted of an amorphous material containing silicon atoms and carbon atoms as constitution elements and wherein said intermediate layer is non-photoconductive in the visible light region and is from 30 to 1,000 Angstroms in thickness.
Claim 41
Dependent Claim 83 words
A photoconductive member having a support, a photoconductive layer constituted of an amorphous material containing silicon atoms as matrix and containing hydrogen atoms and halogen atoms as a constituent, and an intermediate layer provided between said support and said photoconductive layer, characterized in that said intermediate layer is constituted of an amorphous material containing silicon atoms and carbon atoms as constitution elements and wherein said intermediate layer is non-photoconductive in the visible light region and is from 30 to 1,000 Angstroms in thickness.
Claim 42
Dependent Claim 25 words
A photoconductive member according to claim 39, wherein said amorphous material constituting the intermediate layer contains carbon atoms in the range of 60-90 atomic percent.
Claim 43
Dependent Claim 22 words
A photoconductive member according to claim 39, wherein said amorphous material constituting the intermediate layer further contains hydrogen atoms as a constituent.
Claim 44
Dependent Claim 21 words
A photoconductive member according to claim 41, wherein said amorphous material contains hydrogen atoms in the range of 2-35 atomic percent.
Claim 45
Dependent Claim 35 words
A photoconductive member according to claim 39, wherein said amorphous material constituting the intermediate layer contains carbon atoms in the range of 30-90 atomic percent and further hydrogen atoms 2-35 atomic percent as a constituent.
Claim 46
Dependent Claim 22 words
A photoconductive member according to claim 39, wherein said amorphous material constituting the intermediate layer further contains halogen atoms as a constituent.
Claim 47
Dependent Claim 21 words
A photoconductive member according to claim 44, wherein said amorphous material contains halogen atoms in the range of 1-20 atomic percent.
Claim 48
Dependent Claim 24 words
A photoconductive member according to claim 39, wherein said amorphous material constituting the intermediate layer further contains hydrogen atoms and halogen atoms as constituents.
Claim 49
Dependent Claim 29 words
A photoconductive member according to claim 46, wherein said amorphous material contains halogen atoms in the range of 1-20 atomic percent and hydrogen atoms up to 19 atomic percent.
Claim 50
Dependent Claim 14 words
A photoconductive member according to claim 39, wherein said intermediate layer is electrically insulative.
Claim 51
Dependent Claim 19 words
A photoconductive member according to claim 39, wherein said photoconductive layer has resistance of at least 5×10 9 Ωcm.
Claim 52
Dependent Claim 16 words
A photoconductive member according to claim 39, wherein said photoconductive layer is 1-100 microns in thickness.
Claim 53
Dependent Claim 21 words
A photoconductive member according to claim 39, wherein said photoconductive layer contains hydrogen atoms in the range of 1-40 atomic percent.
Claim 54
Dependent Claim 21 words
A photoconductive member according to claim 39, wherein said photoconductive layer contains halogen atoms in the range of 1-40 atomic percent.
Claim 55
Dependent Claim 26 words
A photoconductive member according to claim 39, wherein said photoconductive layer contains hydrogen atoms and halogen atoms in the range of 1-40 atomic percent in total.
Claim 56
Dependent Claim 14 words
A photoconductive member according to claim 39, wherein said photoconductive layer contains n-type impurity.
Claim 57
Dependent Claim 22 words
A photoconductive member according to claim 54, wherein said n-type impurity is an element in Group V A of the periodic table.
Claim 58
Dependent Claim 27 words
A photoconductive member according to claim 55, wherein said element in Group V A of the periodic table is selected from N, P, As, Sb and Bi.
Claim 59
Dependent Claim 24 words
A photoconductive member according to claim 54, wherein said photoconductive layer contains n-type impurity in the range of 10 -8 -10 -3 atomic ratio.
Claim 60
Dependent Claim 14 words
A photoconductive member according to claim 39, wherein said photoconductive layer contains p-type impurity.
Claim 61
Dependent Claim 22 words
A photoconductive member according to claim 58, wherein said p-type impurity is an element in Group III A of the periodic table.
Claim 62
Dependent Claim 23 words
A photoconductive member according to claim 59, wherein said element in Group III A is selected from B, Al, Ga, In and Tl.
Claim 63
Dependent Claim 24 words
A photoconductive member according to claim 58, wherein said photoconductive layer contains p-type impurity in the range of 10 -6 -10 -3 atomic ratio.
Claim 64
Dependent Claim 21 words
A photoconductive member according to claim 39, wherein an upper layer is provided on the upper surface of an photoconductive layer.
Claim 65
Dependent Claim 22 words
A photoconductive member according to claim 62, wherein said upper layer is composed of an amorphous material containing silicon atoms as matrix.
Claim 66
Dependent Claim 30 words
A photoconductive member according to claim 63, wherein said amorphous material further contains as constitution element at least one selected from the group consisting of carbon, oxygen and nitrogen atoms.
Claim 67
Dependent Claim 25 words
A photoconductive member according to claim 63 or 64, wherein said amorphous material further contains hydrogen atoms or halogen atoms or both as a constituent.
Claim 68
Dependent Claim 21 words
A photoconductive member according to claim 64, wherein said amorphous material contains carbon atoms in the range of 60-90 atomic percent.
Claim 69
Dependent Claim 33 words
A photoconductive member according to claim 63, wherein said upper layer contains carbon atoms in the range of 30-90 atomic percent and hydrogen atoms in the range of 2-35 atomic percent each being.
Claim 70
Dependent Claim 38 words
A photoconductive member according to claim 63, wherein said upper layer contains carbon atoms in the range of 40-90 atomic percent, halogen atoms in the range of 1-20 atomic percent and hydrogen atoms up to 19 atomic percent.
Claim 71
Dependent Claim 16 words
A photoconductive member according to claim 62, wherein said upper layer is 30-1000 A in thickness.
Claim 72
Dependent Claim 17 words
A photoconductive member according to claim 62, wherein said upper layer is composed of inorganic insulating materials.
Claim 73
Dependent Claim 17 words
A photoconductive member according to claim 62, wherein said upper layer is composed of organic insulating materials.
Claim 74
Dependent Claim 18 words
A photoconductive member according to claim 62, wherein said upper layer is non-photoconductive with respect to visible rays.
Claim 75
Dependent Claim 14 words
A photoconductive member according to claim 62, wherein said upper layer is electrically insulative.
Claim 76
Dependent Claim 24 words
A photoconductive member according to claim 39 or 62, wherein said photoconductive member further comprises a surface protecting layer of 0.5-70 microns in thickness.
Claim 77
Dependent Claim 40 words
A photoconductive member according to claim 39, wherein said intermediate layer contains carbon atoms in the range of 40-90 atomic percent, and further halogen atoms in the range of 1-20 atomic percent and hydrogen atoms up to 19 atomic percent.
Claim 78
Dependent Claim 70 words
A photoconductive member having a support, a photoconductive layer constituted of an amorphous material containing silicon atoms as matrix and containing hydrogen atoms or halogen atoms as a constituent, and a non-photoconductive layer in the visible light region constituted of an amorphous material containing silicon atoms and carbon atoms as constitution elements in contact with said photoconductive layer, wherein the non-photoconductive layer is from 30 to 1,000 Angstroms in thickness.
Claim 79
Dependent Claim 70 words
A photoconductive member having a support, a photoconductive layer constituted of an amorphous material containing silicon atoms as matrix and containing hydrogen atoms or halogen atoms as a constituent, and a non-photoconductive layer in the visible light region constituted of an amorphous material containing silicon atoms and carbon atoms as constitution elements in contact with said photoconductive layer, wherein the non-photoconductive layer is from 30 to 1,000 Angstroms in thickness.
Claim 80
Dependent Claim 26 words
A photoconductive member according to claim 76, wherein the amount of carbon atoms in said amorphous material of the non-photoconductive layer ranges from 60-90 atomic percent.
Claim 81
Dependent Claim 21 words
A photoconductive member according to claim 76, wherein said amorphous material of the non-photoconductive layer contains hydrogen atoms as a constituent.
Claim 82
Dependent Claim 20 words
A photoconductive member according to claim 78, wherein said hydrogen atoms are present in the range of 2-35 atomic percent.
Claim 83
Dependent Claim 35 words
A photoconductive member according to claim 76, wherein said amorphous material of the non-photoconductive layer contains carbon atoms in the range of 30-90 atomic percent and hydrogen atoms in the range of 2-35 atomic percent.
Claim 84
Dependent Claim 25 words
A photoconductive member according to claim 76, wherein said amorphous material of the non-photoconductive layer containing carbon atoms further contains halogen atoms as a constituent.
Claim 85
Dependent Claim 20 words
A photoconductive member according to claim 81, wherein said halogen atoms are present in the range of 1-20 atomic percent.
Claim 86
Dependent Claim 24 words
A photoconductive member according to claim 76, wherein said amorphous material of the non-photoconductive layer further contains hydrogen atoms and halogen atoms as constituents.
Claim 87
Dependent Claim 31 words
A photoconductive member according to claim 83, wherein said halogen atoms are present in the range of 1-20 atomic percent and said hydrogen atoms are present up to 19 atomic percent.
Claim 88
Dependent Claim 14 words
A photoconductive member according to claim 76, wherein said non-photoconductive layer is electrically insulative.
Claim 89
Dependent Claim 20 words
A photoconductive member according to claim 76, wherein said photoconductive layer has resistance of at least 5×10 9 ohm cm.
Claim 90
Dependent Claim 16 words
A photoconductive member according to claim 76, wherein said photoconductive layer is 1-100 microns in thickness.
Claim 91
Dependent Claim 21 words
A photoconductive member according to claim 76, wherein said photoconductive layer contains hydrogen atoms in the range of 1-40 atomic percent.
Claim 92
Dependent Claim 20 words
A photoconductive member according to claim 76, wherein said photoconductive layer contains halogen atoms in the range of 1-'atomic percent.
Claim 93
Dependent Claim 26 words
A photoconductive member according to claim 76, wherein said photoconductive layer contains hydrogen atoms and halogen atoms in the range of 1-40 atomic percent in total.
Claim 94
Dependent Claim 14 words
A photoconductive member according to claim 76, wherein said photoconductive layer contains N-type impurity.
Claim 95
Dependent Claim 22 words
A photoconductive member according to claim 91, wherein said N-type impurity is an element in Group V A of the Periodic Table.
Claim 96
Dependent Claim 27 words
A photoconductive member according to claim 92, wherein said element in Group V A of the Periodic Table is selected from N, P, As, Sb and Bi.
Claim 97
Dependent Claim 25 words
A photoconductive member according to claim 91, wherein said photoconductive layer contains N-type impurity in the range of 10 -8 to 10 -3 atomic ratio.
Claim 98
Dependent Claim 14 words
A photoconductive member according to claim 76, wherein said photoconductive layer contains P-type impurity.
Claim 99
Dependent Claim 22 words
A photoconductive member according to claim 95, wherein said P-type impurity is an element in Group III A of the Periodic Table.
Claim 100
Dependent Claim 23 words
A photoconductive member according to claim 96, wherein said element in Group III A is selected from B, Al, Ga, In and Tl.
Claim 101
Dependent Claim 25 words
A photoconductive member according to claim 95, wherein said photoconductive layer contains P-type impurity in the range of 10 -6 to 10 -3 atomic ratio.

References Cited (Backward Citations)

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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) 1986-07-18 1987-01-17 1987-07-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1990-07-18 1991-01-17 1991-07-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1994-07-18 1995-01-17 1995-07-19 $7700.00 Window Closed / Lapsed

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