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US4525442A
Expired / Lapsed
US
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Photoconductive member containing an amorphous boron layer
Assignee: Canon Inc
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Filing: 1984-07-16
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Granted: 1985-06-25
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Expires: 2004-07-16
Abstract
Abstract A photoconductive member comprises a photoconductive layer constituted of an amorphous material containing at least one of hydrogen atoms and halogen atoms in a matrix of silicon atoms and an amorphous layer constituted of an amorphous material containing at least one of hydrogen atoms and halogen atoms in a matrix of boron atoms.
Inventors
- 👤 Shigeru Shirai
- 👤 Junichiro Kanbe
- 👤 Tadaji Fukuda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:49
CPC Classifications
H; H10; H10F; H10F30/00; H10F30/10; H10F30/15; G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/043; G03G5/0433; G03G5/08; G03G5/082; G03G5/08214; G03G5/08221; G03G5/08235; H10F71/00; H10F71/10; H10F71/103; Y; Y02; Y02E; Y02E10/00; Y02E10/50; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
149 words
A photoconductive member comprising a support, a photoconductive layer comprising an amorphous material comprising a matrix of silicon atoms containing at least one of hydrogen atoms and halogen atoms, a barrier layer comprising an amorphous material represented by a--[Si.sub.γ (C,N,O) 1- γ ](H,X) 1- δ, where 0<γ<1, and 0<δ<1 existing between said support and said photoconductive layer having the function to substantially prevent injection of charges from the side of said support into said photoconductive layer, and a layer provided on the upper surface of said photoconductive layer and comprising an amorphous material containing boron, wherein the amorphous material containing boron is a member selected from the group consisting of the amorphous materials (1) and (2) wherein B y X 1-y (0<y<1) is (1) and B(H.sub.β X 1- β) 1- α (0<α,β<1) is (2); and wherein B is boron atom, H is hydrogen atom and X is halogen atom.
Claim 2
Dependent Claim
149 words
A photoconductive member comprising a support, a photoconductive layer comprising an amorphous material comprising a matrix of silicon atoms containing at least one of hydrogen atoms and halogen atoms, a barrier layer comprising an amorphous material represented by a--[Si.sub.γ (C,N,O) 1- γ ](H,X) 1- δ, where 0<γ<1, and 0<δ<1 existing between said support and said photoconductive layer having the function to substantially prevent injection of charges from the side of said support into said photoconductive layer, and a layer provided on the upper surface of said photoconductive layer and comprising an amorphous material containing boron, wherein the amorphous material containing boron is a member selected from the group consisting of the amorphous materials (1) and (2) wherein B y X 1-y (0<y<1) is (1) and B(H.sub.β X 1- β) 1- α (0<α,β<1) is (2); and wherein B is boron atom, H is hydrogen atom and X is halogen atom.
Claim 3
Dependent Claim
132 words
A photoconductive member comprising a support, a photoconductive layer comprising an amorphous material comprising a matrix of silicon atoms containing at least one of hydrogen atoms and halogen atoms, a layer existing between said support and said photoconductive member and comprising an amorphous material containing boron, wherein the amorphous material containing boron is a member selected from the group consisting of the amorphous materials (1) and (2) wherein B y X 1-y (0<y<1) is (1) and B.sub.α (H 62 X 1- β) 1- α (0<α,β<1) is (2); and wherein B is boron atom, H is hydrogen atoms and X is halogen atom, and a barrier layer comprising an amorphous material represented by a--[Si.sub.γ (C,N,O) 1- γ ]δ(H,X) 1-67 , where 0<γ<1, and 0<δ<1 provided on the upper surface of said photconductive layer.
Claim 4
Dependent Claim
132 words
A photoconductive member comprising a support, a photoconductive layer comprising an amorphous material comprising a matrix of silicon atoms containing at least one of hydrogen atoms and halogen atoms, a layer existing between said support and said photoconductive member and comprising an amorphous material containing boron, wherein the amorphous material containing boron is a member selected from the group consisting of the amorphous materials (1) and (2) wherein B y X 1-y (0<y<1) is (1) and B.sub.α (H 62 X 1- β) 1- α (0<α,β<1) is (2); and wherein B is boron atom, H is hydrogen atoms and X is halogen atom, and a barrier layer comprising an amorphous material represented by a--[Si.sub.γ (C,N,O) 1- γ ]δ(H,X) 1-67 , where 0<γ<1, and 0<δ<1 provided on the upper surface of said photconductive layer.
Claim 5
Dependent Claim
22 words
A photoconductive member according to claims 1, or 2 wherein the barrier layer has a thickness of 30 Angstroms to 1 micron.
Claim 6
Dependent Claim
20 words
A photoconductive layer according to claim 1 wherein the barrier layer has a thickness of 30 Angstroms to 1 micron.
Claim 7
Dependent Claim
21 words
The photoconductive member according to one of claims 1, or 2 wherein the photoconductive layer contains 1-40 atomic percent of hydrogen.
Claim 8
Dependent Claim
21 words
The photoconductive member according to one of claims 1, or 2, wherein the photoconductive layer contains 1-40 atomic percent of halogen.
Claim 9
Dependent Claim
26 words
The photoconductive member according to one of claims 1, or 2, wherein the photoconductive layer contains a total of 1-40 atomic percent of hydrogen and halogen.
Claim 10
Dependent Claim
24 words
The photoconductive member according to any one of claims 1, or 2 wherein the photoconductive layer is from 3 to 100 microns in thickness.
Claim 11
Dependent Claim
13 words
The photoconductive member of claim 1 wherein the photoconductive layer contains an impurity.
Claim 12
Dependent Claim
19 words
The photoconductive member of claim 9 in which the content of impurity is 5×10 -3 atomic percent or less.
Claim 13
Dependent Claim
13 words
The photoconductive member of claim 2 wherein the photoconductive layer contains an impurity.
Claim 14
Dependent Claim
19 words
The photoconductive member of claim 11 in which the content of impurity is 5×10 -3 atomic percent or less.
Claim 15
Dependent Claim
27 words
The photographic member according to one of claims 1, or 2 wherein the layer containing amorphous boron material contains 1 to 50 atomic percent of halogen atoms.
Claim 16
Dependent Claim
31 words
The photoconductive member according to one of claims 1, or 2 wherein the layer containing amorphous boron material contains a total of 1 to 50 atomic percent of hydrogen and halogen.
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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) | 1988-06-24 | 1988-12-24 | 1989-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-06-24 | 1992-12-24 | 1993-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-06-24 | 1996-12-24 | 1997-06-25 | $7700.00 | Window Closed / Lapsed |