ES366468A1 - Imaging system - Google Patents

Imaging system

Info

Publication number
ES366468A1
ES366468A1 ES366468A ES366468A ES366468A1 ES 366468 A1 ES366468 A1 ES 366468A1 ES 366468 A ES366468 A ES 366468A ES 366468 A ES366468 A ES 366468A ES 366468 A1 ES366468 A1 ES 366468A1
Authority
ES
Spain
Prior art keywords
developer layer
developer
coating
contact
long chain
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
ES366468A
Other languages
Spanish (es)
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.)
Xerox Ltd
Original Assignee
Rank Xerox Ltd
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
Application filed by Rank Xerox Ltd filed Critical Rank Xerox Ltd
Publication of ES366468A1 publication Critical patent/ES366468A1/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
    • G03G13/00—Electrographic processes using a charge pattern
    • G03G13/06—Developing
    • G03G13/10—Developing using a liquid developer, e.g. liquid suspension
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Liquid Developers In Electrophotography (AREA)
  • Wet Developing In Electrophotography (AREA)

Abstract

A developing element for developing electrostatographic latent images comprises a normally solid liquifiable polar developer layer carried on a supporting substrate, said liquifiable layer having a viscosity of less than 104 poises units liquified state and having a volume resistivity in the liquified state of less than 1013 ohm-cm, the free surface of said polar developer layer being in contact with a plurality of developer repellant spacing particles, said spacing particles being of a size sufficient to maintain said polar developer layer substantially out of contact with a surface placed adjacent to and in contact with the side of said spacing particles not in contact with said developer layer. Specified particulate materials are thermosetting resins, thermoplastic resins melting above the liquifying temperature of the developer, glass, sand, calcium carbonate, steel, copper, anthracene, naphthalene, zinc stearate, waxes, titanium dioxide powder coated with zinc stearate, hydrophilic pigments coated with a linear compound having one developer repellent end and one hydrophilic end e.g. stearates, amine salts of long chain fatty acids, long chain aliphatic alcohols and long chain fatty acid amines, the particles being preferably transparent or having a colour which matches that of the ultimate copy sheets. Specified thermoplastic materials which may be used for the developer layer are polyethylene glycols, cetyl alcohol, stearyl alcohol, stearic acid, palmitic acid and admixtures of insulating thermoplastic materials with ionic dyes, quaternary ammonium salts, organic and inorganic humectants or semi-conductive pigments. Additives to modify the colour, melting characteristics or wetting characteristics of the developer layer may be admixed therewith. Specified substrates are paper, polyethylene, terephthalate, aluminium, cellulose acetate and polyolefines, the developer layer being applied thereto by spraying, coating, dipping, extrusion, draw bar coating, calendering, hot melt coating, solution coating or gravure coating.
ES366468A 1968-04-26 1969-04-25 Imaging system Expired ES366468A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72459668A 1968-04-26 1968-04-26

Publications (1)

Publication Number Publication Date
ES366468A1 true ES366468A1 (en) 1971-03-16

Family

ID=24911057

Family Applications (2)

Application Number Title Priority Date Filing Date
ES366468A Expired ES366468A1 (en) 1968-04-26 1969-04-25 Imaging system
ES386902A Expired ES386902A1 (en) 1968-04-26 1970-12-30 Imaging system

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES386902A Expired ES386902A1 (en) 1968-04-26 1970-12-30 Imaging system

Country Status (9)

Country Link
US (1) US3676215A (en)
BE (1) BE732139A (en)
DE (1) DE1921222A1 (en)
ES (2) ES366468A1 (en)
FR (1) FR2007041A1 (en)
GB (1) GB1272306A (en)
HU (1) HU173265B (en)
NL (1) NL6906379A (en)
PL (1) PL79433B1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL146613B (en) * 1968-02-26 1975-07-15 Canon Kk ELECTROPHOTOGRAPHIC COPY PROCEDURE DEVELOPED WITH AN Aqueous LIQUID AND PHOTOGRAPHIC PRINT OBTAINED BY THIS METHOD.
US3772012A (en) * 1972-08-03 1973-11-13 Zerox Corp Reversal development using polar liquid developers
US3909256A (en) * 1973-12-26 1975-09-30 Xerox Corp Electrostatographic process for preparing screen printing member
US3948655A (en) * 1973-12-26 1976-04-06 Xerox Corporation Electrostatographic process for preparing gravure printing member
US4149486A (en) * 1975-01-30 1979-04-17 Xerox Corporation Transfer development apparatus using self-spacing donor member
US3999515A (en) * 1975-02-03 1976-12-28 Xerox Corporation Self-spacing microfield donors
US4002475A (en) * 1975-05-05 1977-01-11 Eastman Kodak Company Photoconductive process for making electrographic masters
US4011834A (en) * 1975-10-02 1977-03-15 Xerox Corporation Touchdown electrostatic development apparatus
CH651879A5 (en) * 1981-04-09 1985-10-15 Bachmann Ag F & L SPACERS for steel sections.
US4413048A (en) * 1981-09-01 1983-11-01 Savin Corporation Developing composition for a latent electrostatic image for transfer of the developed image across a gap to a carrier sheet
DE68918996T2 (en) * 1988-06-27 1995-06-14 Sony Corp Electrophotographic process.
JPH04204962A (en) * 1990-11-30 1992-07-27 Konica Corp Formation of developer layer
KR102325768B1 (en) * 2020-11-20 2021-11-12 제주한라대학교산학협력단 Bridle for horse

Also Published As

Publication number Publication date
BE732139A (en) 1969-10-27
DE1921222A1 (en) 1969-11-06
US3676215A (en) 1972-07-11
FR2007041A1 (en) 1970-01-02
ES386902A1 (en) 1973-04-16
PL79433B1 (en) 1975-06-30
GB1272306A (en) 1972-04-26
NL6906379A (en) 1969-10-28
HU173265B (en) 1979-03-28

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