GB1375923A - Electrophotography - Google Patents

Electrophotography

Info

Publication number
GB1375923A
GB1375923A GB660472A GB660472A GB1375923A GB 1375923 A GB1375923 A GB 1375923A GB 660472 A GB660472 A GB 660472A GB 660472 A GB660472 A GB 660472A GB 1375923 A GB1375923 A GB 1375923A
Authority
GB
United Kingdom
Prior art keywords
ink
plate
photo
substrate
feb
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
Application number
GB660472A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ohno Res & Dev Lab
Original Assignee
Ohno Res & Dev Lab
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP559171A external-priority patent/JPS5518905B1/ja
Priority claimed from JP1794071A external-priority patent/JPS5528870B1/ja
Application filed by Ohno Res & Dev Lab filed Critical Ohno Res & Dev Lab
Publication of GB1375923A publication Critical patent/GB1375923A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/10—Apparatus for electrographic processes using a charge pattern for developing using a liquid developer
    • G03G15/101—Apparatus for electrographic processes using a charge pattern for developing using a liquid developer for wetting the recording material
    • G03G15/102—Apparatus for electrographic processes using a charge pattern for developing using a liquid developer for wetting the recording material for differentially wetting the recording material
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/22—Apparatus for electrographic processes using a charge pattern involving the 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
    • G03G5/10—Bases for charge-receiving or other layers
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/16—Developers not provided for in groups G03G9/06 - G03G9/135, e.g. solutions, aerosols
    • G03G9/18—Differentially wetting liquid developers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Wet Developing In Electrophotography (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)

Abstract

1375923 Electrostatic printing RESEARCH & DEVELOPMENT LABORATORIES OF OHNO CO Ltd 11 Feb 1972 [12 Feb 1971 29 March 1971] 6604/72 Heading G2H A photo-sensitive electrostatic printing plate, composed of an electrically-conductive porous or finely-apertured substrate 3 and a photoconductive hydrophobic surface layer 4 which does not block the pores or apertures in the surface of the substrate, is imaged by exposure to light and developed by application of a water-based ink through the back of the plate. Where no electrostatic latent image is present, the ink fails to reach the plate surface, but electricallycharged areas add their effect to that of developing electrode 27, and cause the ink to fill the apertures 5 and stand proud of the plate surface for transfer to paper 26. The plate may be cylindrical, or part of an endless band, and ink may be fed to it by rollers, or by an ink pool in the interior of a rotating cylinder. The substrate 3 may be photo-etched copper, coated with selenium or with a mixture of photo-conductive material and resin, and a layer of hydrophobic material may be applied over one of photoconductive material. Lists of resins and ink components are given.
GB660472A 1971-02-12 1972-02-11 Electrophotography Expired GB1375923A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP559171A JPS5518905B1 (en) 1971-02-12 1971-02-12
JP1794071A JPS5528870B1 (en) 1971-03-29 1971-03-29

Publications (1)

Publication Number Publication Date
GB1375923A true GB1375923A (en) 1974-12-04

Family

ID=26339553

Family Applications (1)

Application Number Title Priority Date Filing Date
GB660472A Expired GB1375923A (en) 1971-02-12 1972-02-11 Electrophotography

Country Status (3)

Country Link
DE (1) DE2206467C2 (en)
FR (1) FR2126855A5 (en)
GB (1) GB1375923A (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3247825A (en) * 1963-04-23 1966-04-26 Ibm Wet diaphragm electrostatic printer
US3559570A (en) * 1966-07-20 1971-02-02 Xerox Corp Method of preparing and using a gravure printing plate
US3625604A (en) * 1967-10-06 1971-12-07 Electroprint Inc Aperture controlled electrostatic printing system
US3697164A (en) * 1969-02-18 1972-10-10 Electroprint Inc Apparatus for aperture controlled electrostatic image color reproduction or constitution

Also Published As

Publication number Publication date
FR2126855A5 (en) 1972-10-06
DE2206467A1 (en) 1972-08-24
DE2206467C2 (en) 1983-10-20

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee