GB1241003A - Improvements in or relating to photoconductive elements - Google Patents
Improvements in or relating to photoconductive elementsInfo
- Publication number
- GB1241003A GB1241003A GB35569/68A GB3556968A GB1241003A GB 1241003 A GB1241003 A GB 1241003A GB 35569/68 A GB35569/68 A GB 35569/68A GB 3556968 A GB3556968 A GB 3556968A GB 1241003 A GB1241003 A GB 1241003A
- Authority
- GB
- United Kingdom
- Prior art keywords
- photo
- conductors
- july
- resolution
- relating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
- G03G5/02—Charge-receiving layers
- G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
- G03G5/043—Photoconductive layers characterised by having two or more layers or characterised by their composite structure
- G03G5/047—Photoconductive layers characterised by having two or more layers or characterised by their composite structure characterised by the charge-generation layers or charge transport layers
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G13/00—Electrographic processes using a charge pattern
- G03G13/22—Processes involving a combination of more than one step according to groups G03G13/02 - G03G13/20
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
- G03G5/02—Charge-receiving layers
- G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
- G03G5/06—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor characterised by the photoconductive material being organic
- G03G5/0601—Acyclic or carbocyclic compounds
- G03G5/0605—Carbocyclic compounds
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
- G03G5/02—Charge-receiving layers
- G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
- G03G5/06—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor characterised by the photoconductive material being organic
- G03G5/0622—Heterocyclic compounds
- G03G5/0624—Heterocyclic compounds containing one hetero ring
- G03G5/0635—Heterocyclic compounds containing one hetero ring being six-membered
- G03G5/0637—Heterocyclic compounds containing one hetero ring being six-membered containing one hetero atom
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
- G03G5/02—Charge-receiving layers
- G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
- G03G5/09—Sensitisors or activators, e.g. dyestuffs
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Photoreceptors In Electrophotography (AREA)
Abstract
1,241,003. Increasing resolution in electrophotography. EASTMAN KODAK CO. July 25, 1968 [July 31, 1967], No. 35569/68. Heading G2H. The resolving power of a photo-conductive layer having no persistence of photo-conductivity is increased by uniformly exposing the layer prior to charging in an electro-photographic process to an amount of light sufficient to increase the resolution of the developed image and of at least 10<SP>4</SP> footcandle seconds. Specified photo-conductors are selenium, organo metallic compounds and organic amino photo-conductors which may be sensitized with pyrylium, thiapyrylium and selesapyrylium balls, fluorene compound, asthrones, quinones, thiazoles, mineral acids, carboxylic acids and dyes.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US65708367A | 1967-07-31 | 1967-07-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1241003A true GB1241003A (en) | 1971-07-28 |
Family
ID=24635744
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB35569/68A Expired GB1241003A (en) | 1967-07-31 | 1968-07-25 | Improvements in or relating to photoconductive elements |
Country Status (5)
Country | Link |
---|---|
US (1) | US3533783A (en) |
BE (1) | BE718523A (en) |
DE (1) | DE1772974A1 (en) |
FR (1) | FR1581118A (en) |
GB (1) | GB1241003A (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS494337B1 (en) * | 1969-07-28 | 1974-01-31 | ||
US3717462A (en) * | 1969-07-28 | 1973-02-20 | Canon Kk | Heat treatment of an electrophotographic photosensitive member |
DE2160812C2 (en) * | 1971-12-08 | 1982-04-15 | Hoechst Ag, 6000 Frankfurt | Electrophotographic recording material |
US3930853A (en) * | 1973-12-06 | 1976-01-06 | Xerox Corporation | Accelerating aging method for selenium-arsenic photoconductors |
DE2452623C2 (en) * | 1974-11-06 | 1983-12-01 | Hoechst Ag, 6230 Frankfurt | Electrophotographic recording material |
CA1072806A (en) * | 1974-12-20 | 1980-03-04 | William A. Light | Multi-active photoconductive element i |
JPS5260141A (en) * | 1975-11-12 | 1977-05-18 | Matsushita Electric Ind Co Ltd | Manufacture of electrophotographic light sensitive plate |
US4119373A (en) * | 1976-03-08 | 1978-10-10 | Minnesota Mining And Manufacturing Company | Electrographic apparatus and method for using arsenic selenide as the photoconductor |
US4053311A (en) * | 1976-04-02 | 1977-10-11 | Limburg William W | Poly-n-vinylcarbazole image transport layer plasticized by bis(4-diethylamino-2-methylphenyl)phenylmethane |
US4050935A (en) * | 1976-04-02 | 1977-09-27 | Xerox Corporation | Trigonal Se layer overcoated by bis(4-diethylamino-2-methylphenyl)phenylmethane containing polycarbonate |
US4175955A (en) * | 1976-09-24 | 1979-11-27 | Minolta Camera Kabushiki Kaisha | Electrophotographic processes using a pre-exposure |
JPS55146456A (en) * | 1979-05-04 | 1980-11-14 | Canon Inc | Recording method |
US4366220A (en) * | 1980-03-27 | 1982-12-28 | Minolta Camera Kabushiki Kaisha | Electrostatic image recording process using prehisteresis uniform charging and light exposure pretreatment |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2845348A (en) * | 1952-01-04 | 1958-07-29 | Kallman Hartmut | Electro-photographic means and method |
US3084061A (en) * | 1953-09-23 | 1963-04-02 | Xerox Corp | Method for formation of electro-static image |
US2990280A (en) * | 1958-10-24 | 1961-06-27 | Rca Corp | Electrostatic printing |
NL267966A (en) * | 1960-08-08 | |||
NL130806C (en) * | 1963-07-25 |
-
1967
- 1967-07-31 US US657083A patent/US3533783A/en not_active Expired - Lifetime
-
1968
- 1968-07-24 BE BE718523D patent/BE718523A/xx unknown
- 1968-07-25 GB GB35569/68A patent/GB1241003A/en not_active Expired
- 1968-07-25 FR FR1581118D patent/FR1581118A/fr not_active Expired
- 1968-07-30 DE DE19681772974 patent/DE1772974A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
BE718523A (en) | 1968-12-31 |
FR1581118A (en) | 1969-09-12 |
US3533783A (en) | 1970-10-13 |
DE1772974A1 (en) | 1970-09-24 |
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