US4687722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image holder member with overlayer of amorphous Si with H and C
Assignee: Canon Inc
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Filing: 1986-12-23
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Granted: 1987-08-18
•
Expires: 2006-12-23
Abstract
Abstract An image holding member which contains a photosensitive layer of photoconductive material and an amorphous film overlayer containing at least silicon atoms, hydrogen atoms and carbon atoms as main components, wherein the amorphous film is formed by discharge in a gaseous atmosphere of organohydrogenosilane is disclosed.
Inventors
- 👤 Kyosuke Ogawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:50
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/043; G03G5/0436; G03G5/08; G03G5/082; G03G5/08214; G03G5/08221; G03G5/08278
Claims Analysis
Total Claims: 33
Claim 1
Independent Claim
126 words
An image holding member which comprises a photosensitive layer of a laminate structure comprising a charge generation layer and a charge transport layer wherein at least one of the charge generation layer or the charge transport layer contains an organic material and an amorphous film containing at least silicon atom, hydrogen atom and carbon atom as main components overlying the photosensitive layer, wherein the amorphous film is formed by discharge in a gaseous atmosphere of organohydrogenosilane and wherein the organohydrogenosilane is a compound of the following general formula (1), R.sub.m --Si.sub.n H.sub.2n+2-m ( 1) where R is alkyl or aryl which may be substituted, m is an integer of 1-15 and n is an integer of 1-7 provided that m and n satisfy the relation 2n+2>m.
Claim 2
Dependent Claim
126 words
An image holding member which comprises a photosensitive layer of a laminate structure comprising a charge generation layer and a charge transport layer wherein at least one of the charge generation layer or the charge transport layer contains an organic material and an amorphous film containing at least silicon atom, hydrogen atom and carbon atom as main components overlying the photosensitive layer, wherein the amorphous film is formed by discharge in a gaseous atmosphere of organohydrogenosilane and wherein the organohydrogenosilane is a compound of the following general formula (1), R.sub.m --Si.sub.n H.sub.2n+2-m ( 1) where R is alkyl or aryl which may be substituted, m is an integer of 1-15 and n is an integer of 1-7 provided that m and n satisfy the relation 2n+2>m.
Claim 3
Dependent Claim
199 words
The image holding member according to claim 1, wherein the organohydrogenosilane is at least one member selected from the group consisting of CH 3 SiH 3 , (CH 3 ) 2 SiH 2 , (CH 3 ) 3 SiH, CH 3 Si 2 H 5 , (CH 3 ) 2 Si 2 H 4 , (CH 3 ) 3 Si 2 H 3 , (CH 3 ) 4 Si 2 H 2 , (CH 3 ) 5 Si 2 H, C 2 H 5 SiH 3 , (C 2 H 5 ) 2 SiH 2 , (C 2 H 5 ) 3 Si 2 H, C 2 H 5 Si 2 H 5 , (C 2 H 5 ) 2 Si 2 H 4 , (C 2 H 5 ) 3 Si 2 H 3 , (C 2 H 5 ) 4 Si 2 H 2 , (C 2 H 5 ) 5 Si 2 H, CH 3 Si 3 H 7 , (CH 3 ) 2 Si 3 H 6 , (CH 3 ) 3 Si 3 H 5 , (CH 3 ) 4 Si 3 H 4 and (CH 3 ) 3 Si 3 H 5 .
Claim 4
Dependent Claim
17 words
The image holding member according to claim 1, wherein thickness of the amorphous film is 500 Å-5μ.
Claim 5
Dependent Claim
17 words
The image holding member according to claim 3, wherein thickness of the amorphous film is 500 Å-5μ.
Claim 6
Dependent Claim
26 words
The image holding member according to claim 1, wherein the amorphous film contains 1×10 -3 -90 atomic % of carbon based on total number of atoms.
Claim 7
Dependent Claim
25 words
The image holding member according to claim 5, wherein the amorphous film contains 1-90 atomic % of carbon atom based on total number of atoms.
Claim 8
Dependent Claim
18 words
The image holding member according to claim 1, wherein the charge transport layer overlies the charge generation layer.
Claim 9
Dependent Claim
21 words
The image holding member according to claim 1 wherein the charge transport layer contains a charge transport material and a binder.
Claim 10
Dependent Claim
23 words
The image holding member according to claim 8, wherein the charge transport material is a hole transport material or an electron transport material.
Claim 11
Dependent Claim
39 words
The image holding member according to claim 9 wherein the hold transport material is at least one member selected from the group consisting of polycyclic aromatic compounds, carbazole compounds, oxadiazole compounds, pyrazoline compounds, hydrazone compounds and organic photoconductive polymers.
Claim 12
Dependent Claim
36 words
The image holding member according to claim 9 wherein the electron transport material is at least one member selected from the group consisting of anil compounds, cyano type compounds, nitrofluorenone type compounds and nitroxanthone type compounds.
Claim 13
Dependent Claim
21 words
The image holding member according to claim 1 wherein the charge generation layer contains a charge generation material and a binder.
Claim 14
Dependent Claim
63 words
The image holding member according to claim 12 wherein the charge generation material is at least one member selected from the group consisting of azo pigment, quinone pigment, quinocyanine pigment, perylene pigment, indigo pigment, bisbenzimidazole pigment, phthalocyanine pigment, quinacridone pigment, pyrylium dye or the co-crystalline complex, thiapyrylium dye or the co-crystalline complex, squaric acid methine dye, amorphous silicon, selenium, selenium-tellurium and cadmium sulfide.
Claim 15
Dependent Claim
19 words
The image holding member according to claim 1 wherein the charge generation layer contains azo pigment and a binder.
Claim 16
Dependent Claim
16 words
The image holding member according to claim 14 wherein the above azo pigment is disazo pigment.
Claim 17
Dependent Claim
18 words
The image holding member according to claim 1 wherein the charge generation layer is an amorphous silicon film.
Claim 18
Dependent Claim
21 words
The image holding member according to claim 1 wherein the charge generation layer is a selenium film or a tellurium film.
Claim 19
Dependent Claim
19 words
The image holding member according to claim 1 wherein the image holding member is an electrophotographic image holding member.
Claim 20
Dependent Claim
102 words
An image holding member which comprises a photosensitive layer comprising a photoconductive material and an organic charge transport binder and an amorphous film containing at least silicon atom, hydrogen atom and carbon atom as main components overlying the photosensitive layer, wherein the amorphous film is formed by discharge in a gaseous atmosphere of organohydrogenosilane and wherein the organohydrogenosilane is a compound of the following general formula (1) R.sub.m --Si.sub.n H.sub.2n+2-m where R is alkyl and aryl which may be substituted, m is an integer of 1-15 and n is an integer of 1-7, provided that m and n satisfy the relation 2n+2>m.
Claim 21
Dependent Claim
102 words
An image holding member which comprises a photosensitive layer comprising a photoconductive material and an organic charge transport binder and an amorphous film containing at least silicon atom, hydrogen atom and carbon atom as main components overlying the photosensitive layer, wherein the amorphous film is formed by discharge in a gaseous atmosphere of organohydrogenosilane and wherein the organohydrogenosilane is a compound of the following general formula (1) R.sub.m --Si.sub.n H.sub.2n+2-m where R is alkyl and aryl which may be substituted, m is an integer of 1-15 and n is an integer of 1-7, provided that m and n satisfy the relation 2n+2>m.
Claim 22
Dependent Claim
17 words
The image holding member according to claim 19 wherein thickness of the amorphous film is 50 Å-10μ.
Claim 23
Dependent Claim
17 words
The image holding member according to claim 20 wherein thickness of the amorphous film is 500 Å-5μ.
Claim 24
Dependent Claim
27 words
The image holding member according to claim 19 wherein the amorphous film contains 1×10 -3 -90 atomic % of carbon atom based on total number of atoms.
Claim 25
Dependent Claim
18 words
The image holding member according to claim 19 wherein the charge transport binder is an organic photoconductive polymer.
Claim 26
Dependent Claim
102 words
An image holding member which comprises a photosensitive layer comprising a photoconductive material and an organic binder and an amorphous film containing at least silicon atom, hydrogen atom and carbon atom as main components overlying the photosensitive layer, wherein the amorphous film is formed by discharge in a gaseous atmosphere of organohydrogenosilane and wherein the organohydrogenosilane is a compound of the following general formula (1) R.sub.m --Si.sub.n H.sub.2n+2-m ( 1) where R is alkyl or aryl which may be substituted, m is an integer of 1-15 and n is an integer of 1-7, provided that m and n satisfy the relation 2n+2>m.
Claim 27
Dependent Claim
102 words
An image holding member which comprises a photosensitive layer comprising a photoconductive material and an organic binder and an amorphous film containing at least silicon atom, hydrogen atom and carbon atom as main components overlying the photosensitive layer, wherein the amorphous film is formed by discharge in a gaseous atmosphere of organohydrogenosilane and wherein the organohydrogenosilane is a compound of the following general formula (1) R.sub.m --Si.sub.n H.sub.2n+2-m ( 1) where R is alkyl or aryl which may be substituted, m is an integer of 1-15 and n is an integer of 1-7, provided that m and n satisfy the relation 2n+2>m.
Claim 28
Dependent Claim
199 words
The image holding member according to claim 24 wherein the organohydrogenosilane is at least one member selected from the group consisting of CH 3 SiH 3 , (CH 3 ) 2 SiH 2 , (CH 3 ) 3 SiH, CH 3 Si 2 H 5 , (CH 3 ) 2 Si 2 H 4 , (CH 3 ) 3 Si 2 H 3 , (CH 3 ) 4 Si 2 H 2 , (CH 3 ) 5 Si 2 H, C 2 H 5 SiH 3 , (C 2 H 5 ) 2 SiH 2 , (C 2 H 5 ) 3 Si 2 H, C 2 H 5 Si 2 H 5 , (C 2 H 5 ) 2 Si 2 H 4 , (C 2 H 5 ) 3 Si 2 H 3 , (C 2 H 5 ) 4 Si 2 H 2 , (C 2 H 5 ) 5 Si 2 H, CH 3 Si 3 H 7 , (CH 3 ) 2 Si 3 H 6 , (CH 3 ) 3 Si 3 H 5 , (CH 3 ) 4 Si 3 H 4 and (CH 3 ) 3 Si 3 H 5 .
Claim 29
Dependent Claim
17 words
The image holding member according to claim 24, wherein thickness of the amorphous film is 50 Å-10μ.
Claim 30
Dependent Claim
17 words
The image holding member according to claim 26, wherein thickness of the amorphous film is 500 Å-5μ.
Claim 31
Dependent Claim
27 words
The image holding member according to claim 24 wherein the amorphous film contains 1×10 -3 -90 atomic % of carbon atom based on total number of atoms.
Claim 32
Dependent Claim
25 words
The image holding member according to claim 28 wherein the amorphous film contains 1-90 atomic % of carbon atom based on total number of atoms.
Claim 33
Dependent Claim
17 words
The image holding member according to claim 24, wherein the photoconductive material is an organic photoconductive material.
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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) | 1990-08-17 | 1991-02-16 | 1991-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-08-17 | 1995-02-16 | 1995-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-08-17 | 1999-02-16 | 1999-08-18 | $7700.00 | Window Closed / Lapsed |