US4517269A
Expired / Lapsed
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Photoconductive member
Assignee: Canon Inc
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Filing: 1983-04-20
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Granted: 1985-05-14
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Expires: 2003-04-20
Abstract
Abstract A photoconductive member comprises a support for a photoconductive member, a first amorphous layer having a layer constitution comprising a first layer region comprising an amorphous material containing silicon atoms and germanium atoms and a second layer region comprising an amorphous material containing silicon atoms and exhibiting photoconductivity, said first and second layer regions being provided successively from the side of said support; and a second amorphous layer comprising an amorphous material containing silicon atoms and carbon atoms.
Inventors
- 👤 Isamu Shimizu
- 👤 Kozo Arao
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:48
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/08; G03G5/082
Claims Analysis
Total Claims: 46
Claim 1
Independent Claim
101 words
A photoconductive member comprising a support for a photoconductive member, a first amorphous layer having a layer constitution comprising a first layer region comprising an amorphous material containing silicon atoms and 1 to 9.5×10 5 atomic ppm of germanium atoms and 0.01 to 40 atomic % of at least one of hydrogen atoms and halogen atoms, and a second layer region comprising an amorphous material containing silicon atoms and exhibiting photoconductivity, said first and second layer regions being provided successively from the side of said support; and a second amorphous layer comprising an amorphous material containing silicon atoms and carbon atoms.
Claim 2
Dependent Claim
101 words
A photoconductive member comprising a support for a photoconductive member, a first amorphous layer having a layer constitution comprising a first layer region comprising an amorphous material containing silicon atoms and 1 to 9.5×10 5 atomic ppm of germanium atoms and 0.01 to 40 atomic % of at least one of hydrogen atoms and halogen atoms, and a second layer region comprising an amorphous material containing silicon atoms and exhibiting photoconductivity, said first and second layer regions being provided successively from the side of said support; and a second amorphous layer comprising an amorphous material containing silicon atoms and carbon atoms.
Claim 3
Dependent Claim
17 words
A photoconductive member according to claim 1, wherein hydrogen atoms are contained in the second layer region.
Claim 4
Dependent Claim
17 words
A photoconductive member according to claim 1, wherein halogen atoms are contained in the second layer region.
Claim 5
Dependent Claim
24 words
A photoconductive member according to claim 1, wherein the germanium atoms are contained in a distribution state ununiform in the direction of layer thickness.
Claim 6
Dependent Claim
20 words
A photoconductive member according to claim 1, wherein the first layer region contains a substance for controlling the conduction characteristics.
Claim 7
Dependent Claim
27 words
A photoconductive member according to claim 5, wherein the substance for controlling the conduction characteristics is an atom belonging to the group III of the periodic table.
Claim 8
Dependent Claim
32 words
A photoconductive member according to claim 6, wherein the atom belonging to the group III of the periodic table is selected from the group consisting of B, Al, Ga, In and Tl.
Claim 9
Dependent Claim
19 words
A photoconductive member according to claim 5, wherein the substance for controlling the conduction characteristics is a P-type impurity.
Claim 10
Dependent Claim
27 words
A photoconductive member according to claim 5, wherein the substance for controlling the conduction characteristics is an atom belonging to the group V of the periodic table.
Claim 11
Dependent Claim
31 words
A photoconductive member according to claim 9, wherein the atom belonging to the group V of the periodic table is selected from the group consisting of P, As, Sb and Bi.
Claim 12
Dependent Claim
19 words
A photoconductive member according to claim 5, wherein the substance for controlling the conduction characteristics is an N-type impurity.
Claim 13
Dependent Claim
20 words
A photoconductive member according to claim 1, wherein the first amorphous layer contains a substance for controlling the conduction characteristics.
Claim 14
Dependent Claim
19 words
A photoconductive member according to claim 12, wherein the substance for controlling the conduction characteristics is a P-type impurity.
Claim 15
Dependent Claim
19 words
A photoconductive member according to claim 12, wherein the substance for controlling the conduction characteristics is an N-type impurity.
Claim 16
Dependent Claim
27 words
A photoconductive member according to claim 12, wherein the substance for controlling the conduction characteristics is an atom belonging to the group III of the periodic table.
Claim 17
Dependent Claim
32 words
A photoconductive member according to claim 15, wherein the atom belonging to the group III of the periodic table is selected from the group consisting of B, Al, Ga, In and Tl.
Claim 18
Dependent Claim
27 words
A photoconductive member according to claim 15, wherein the substance for controlling the conduction characteristics is an atom belonging to the group V of the periodic table.
Claim 19
Dependent Claim
31 words
A photoconductive member according to claim 17, wherein the atom belonging to the group V of the periodic table is selected from the group consisting of P, As, Sb and Bi.
Claim 20
Dependent Claim
30 words
A photoconductive member according to claim 12, wherein the first amorphous layer has a layer region (P) containing a P-type impurity and a layer region (N) containing an N-type impurity.
Claim 21
Dependent Claim
22 words
A photoconductive member according to claim 19, wherein the layer region (P) and the layer region (N) are contacted with each other.
Claim 22
Dependent Claim
28 words
A photoconductive member according to claim 20, wherein the layer region (P) is provided as end portion layer region on the support side of the first amorphous layer.
Claim 23
Dependent Claim
30 words
A photoconductive member according to claim 1, wherein the first amorphous layer has a layer region containing a P-type impurity in the end portion layer region on the support side.
Claim 24
Dependent Claim
34 words
A photoconductive member according to claim 1, wherein the layer thickness T B of the first layer region and the layer thickness T of the second layer region has the following relation: T.sub.B /T≦1.
Claim 25
Dependent Claim
22 words
A photoconductive member according to claim 1, wherein the first amorphous layer contains at least one of hydrogen atoms and halogen atoms.
Claim 26
Dependent Claim
15 words
A photoconductive member according to claim 1, wherein the first amorphous layer contains oxygen atoms.
Claim 27
Dependent Claim
24 words
A photoconductive member according to claim 25, wherein the oxygen atoms are contained in a distribution state ununiform in the direction of layer thickness.
Claim 28
Dependent Claim
22 words
A photoconductive member according to claim 26, wherein the oxygen atoms are contained in a distribution more enriched toward the support side.
Claim 29
Dependent Claim
25 words
A photoconductive member according to claim 1, wherein the first amorphous layer contains oxygen atoms in the end portion layer region on the support side.
Claim 30
Dependent Claim
22 words
A photoconductive member according to claim 1, wherein the second amorphous layer contains at least one of hydrogen atoms and halogen atoms.
Claim 31
Dependent Claim
17 words
A photoconductive member according to claim 2, wherein halogen atoms are contained in the second layer region.
Claim 32
Dependent Claim
19 words
A photoconductive member according to claim 1, wherein the second layer region contains 1-40 atomic % of hydrogen atoms.
Claim 33
Dependent Claim
19 words
A photoconductive member according to claim 1, wherein the second layer region contains 1-40 atomic % of halogen atoms.
Claim 34
Dependent Claim
23 words
A photoconductive member according to claim 32, wherein the halogen atom is selected from the group consisting of F, Cl, Br and I.
Claim 35
Dependent Claim
15 words
A photoconductive member according to claim 23, wherein the layer thickness T is 30 Å-50μ.
Claim 36
Dependent Claim
14 words
A photoconductive member according to claim 23, wherein the layer thickness T is 0.5-90μ.
Claim 37
Dependent Claim
13 words
A photoconductive member according to claim 23, wherein (T B +T) is 1-100μ.
Claim 38
Dependent Claim
18 words
A photoconductive member according to claim 1, wherein the first amorphous layer has region (O) containing oxygen atoms.
Claim 39
Dependent Claim
23 words
A photoconductive member according to claim 37, wherein the amount of the oxygen atoms in the layer region (O) is 0.001-50 atomic %.
Claim 40
Dependent Claim
35 words
A photoconductive member according to claim 37, wherein the ratio of the layer thickness T O of the layer region (O) relative to the layer thickness of the first amorphous layer is 2/5 or higher.
Claim 41
Dependent Claim
28 words
A photoconductive member according to claim 39, wherein the upper limit of the content of oxygen atoms in the layer region (O) is 30 atomic % or less.
Claim 42
Dependent Claim
25 words
A photoconductive member according to claim 1, wherein the first layer region has a layer region (PN) containing a substance for controlling the conduction characteristics.
Claim 43
Dependent Claim
23 words
A photoconductive member according to claim 41, wherein the amount of said substance in the layer region (PN) is 0.01-5×10 4 atomic ppm.
Claim 44
Dependent Claim
25 words
A photoconductive member according to claim 1, wherein the first amorphous layer has a layer region (PN) containing a substance for controlling the conduction characteristics.
Claim 45
Dependent Claim
52 words
A photoconductive member according to claim 1, wherein the second amorphous layer comprises an amorphous material represented by the formula: a-Si.sub.a C.sub.1-a (0.1≦a≦0.99999), a-(Si.sub.b C.sub.1-b).sub.c H.sub.1-c (0.1≦b≦0.99999) (0.6≦c≦0.99), or a-(Si.sub.d C.sub.1-d).sub.e (H,X).sub.1-e (0.1≦d≦0.99999) (0.8≦e≦0.99) wherein Si is silicon atom; C is carbon atom; H is hydrogen atom; and X is halogen atom.
Claim 46
Dependent Claim
18 words
A photoconductive member according to claim 1, wherein the layer thickness of the second amorphous layer is 0.003-30μ.
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) | 1988-05-13 | 1988-11-12 | 1989-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-05-13 | 1992-11-12 | 1993-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-05-13 | 1996-11-12 | 1997-05-14 | $7700.00 | Window Closed / Lapsed |