CH473410A - Process for developing magnetic images - Google Patents

Process for developing magnetic images

Info

Publication number
CH473410A
CH473410A CH1598866A CH1598866A CH473410A CH 473410 A CH473410 A CH 473410A CH 1598866 A CH1598866 A CH 1598866A CH 1598866 A CH1598866 A CH 1598866A CH 473410 A CH473410 A CH 473410A
Authority
CH
Switzerland
Prior art keywords
developing magnetic
magnetic images
images
developing
magnetic
Prior art date
Application number
CH1598866A
Other languages
German (de)
Inventor
Maho Charles
Eppe Rudolf
Abeck Wilhelm
Original Assignee
Agfa Gevaert Ag
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 Agfa Gevaert Ag filed Critical Agfa Gevaert Ag
Publication of CH473410A publication Critical patent/CH473410A/en

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/083—Magnetic toner particles
    • G03G9/0831—Chemical composition of the magnetic components
    • G03G9/0832—Metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/06—Metallic powder characterised by the shape of the particles
    • B22F1/065—Spherical particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
    • 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
    • G03G13/08—Developing using a solid developer, e.g. powder developer
    • G03G13/09—Developing using a solid developer, e.g. powder developer using magnetic brush
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G19/00—Processes using magnetic patterns; Apparatus therefor, i.e. magnetography
    • 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
    • G03G5/16—Layers for recording by changing the magnetic properties, e.g. for Curie-point-writing
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/0825—Developers with toner particles characterised by their structure; characterised by non-homogenuous distribution of components
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/083—Magnetic toner particles
    • G03G9/0837—Structural characteristics of the magnetic components, e.g. shape, crystallographic structure
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/083—Magnetic toner particles
    • G03G9/0838—Size of magnetic components
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/083—Magnetic toner particles
    • G03G9/0839—Treatment of the magnetic components; Combination of the magnetic components with non-magnetic materials
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/097—Plasticisers; Charge controlling agents
    • G03G9/09733—Organic compounds
    • G03G9/09741—Organic compounds cationic
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/097—Plasticisers; Charge controlling agents
    • G03G9/09733—Organic compounds
    • G03G9/0975—Organic compounds anionic
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G03G9/107—Developers with toner particles characterised by carrier particles having magnetic components
    • G03G9/1075—Structural characteristics of the carrier particles, e.g. shape or crystallographic structure
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G03G9/113—Developers with toner particles characterised by carrier particles having coatings applied thereto
    • G03G9/1132—Macromolecular components of coatings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Developing Agents For Electrophotography (AREA)
CH1598866A 1965-11-05 1966-11-05 Process for developing magnetic images CH473410A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB47079/65A GB1174571A (en) 1965-11-05 1965-11-05 Development of Electrostatic Images

Publications (1)

Publication Number Publication Date
CH473410A true CH473410A (en) 1969-05-31

Family

ID=10443640

Family Applications (2)

Application Number Title Priority Date Filing Date
CH1598866A CH473410A (en) 1965-11-05 1966-11-05 Process for developing magnetic images
CH1598766A CH473407A (en) 1965-11-05 1966-11-05 Process for developing electrostatic images

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH1598766A CH473407A (en) 1965-11-05 1966-11-05 Process for developing electrostatic images

Country Status (6)

Country Link
BE (3) BE689326A (en)
CH (2) CH473410A (en)
DE (1) DE1522557B2 (en)
FR (3) FR1499642A (en)
GB (1) GB1174571A (en)
NL (3) NL6615679A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0011688A1 (en) * 1978-11-13 1980-06-11 International Business Machines Corporation Electrophotographical developer material and its use
FR2449911A1 (en) * 1979-02-23 1980-09-19 Cii Honeywell Bull MAGNETIC TYPE PRINTING METHOD AND PRINTING MACHINE IMPLEMENTING SAID METHOD

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA944994A (en) * 1969-02-17 1974-04-09 Howard A. Miller Highly conductive carrier particles
CA1054421A (en) * 1973-07-18 1979-05-15 Thomas A. Jadwin Electrographic developing composition and process
US4055684A (en) * 1974-12-02 1977-10-25 Addressograph Multigraph Corporation Coated carrier particles for use in electrophotographic process
CA1060696A (en) * 1975-07-09 1979-08-21 Eastman Kodak Company Electrographic toner and developer composition
US4078930A (en) * 1975-10-28 1978-03-14 Xerox Corporation Developer compositions comprising toner and carrier
IT1071148B (en) * 1976-07-29 1985-04-02 Indesit TOOL AND MACHINE FOR ASSEMBLING ELECTROLYTIC CAPACITORS
US4256824A (en) * 1979-03-12 1981-03-17 Xerox Corporation Method using positively charged electrophotographic toner containing amido dialkyl hydroxy ammonium compound
US4310611A (en) 1979-06-29 1982-01-12 Eastman Kodak Company Electrographic magnetic carrier particles
USRE32883E (en) * 1980-12-04 1989-03-07 Xerox Corporation Quarternary ammonium sulfate or sulfonate charge control agents for electrophotographic developers compatible with viton fuser
US4338390A (en) * 1980-12-04 1982-07-06 Xerox Corporation Quarternary ammonium sulfate or sulfonate charge control agents for electrophotographic developers compatible with viton fuser
JP2661091B2 (en) * 1988-01-20 1997-10-08 ミノルタ株式会社 Developer
US5009979A (en) * 1989-10-23 1991-04-23 Olin Hunt Specialty Products Inc. Electrostatographic particulate toner and developer compositions

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0011688A1 (en) * 1978-11-13 1980-06-11 International Business Machines Corporation Electrophotographical developer material and its use
FR2449911A1 (en) * 1979-02-23 1980-09-19 Cii Honeywell Bull MAGNETIC TYPE PRINTING METHOD AND PRINTING MACHINE IMPLEMENTING SAID METHOD
US4321606A (en) 1979-02-23 1982-03-23 Compagnie Internationale Pour L'informatique Cii Honeywell Bull (Societe Anonyme) Magnetic type printing process and multicopy magnetic printing machine

Also Published As

Publication number Publication date
FR1499641A (en) 1967-10-27
GB1174571A (en) 1969-12-17
DE1522557A1 (en) 1969-09-18
BE689326A (en) 1967-05-08
BE689325A (en) 1967-05-08
BE689327A (en) 1967-05-08
DE1522557B2 (en) 1974-11-07
FR1499642A (en) 1967-10-27
NL6615678A (en) 1967-04-25
CH473407A (en) 1969-05-31
FR1499643A (en) 1967-10-27
NL6615680A (en) 1967-04-25
NL6615679A (en) 1967-04-25

Similar Documents

Publication Publication Date Title
CH538711A (en) Process for making photographic images
AT257360B (en) Magnetic roller for apparatus for developing latent electrostatic images
CH516183A (en) Apparatus for cascading development of latent electrostatic images
CH473410A (en) Process for developing magnetic images
AT276943B (en) Apparatus for developing latent electrostatic images
CH446884A (en) Process for making photographic images
CH508903A (en) Process for electrostatographic imaging
CH477710A (en) Process for making direct positive photographic images
AT285320B (en) Process for developing silver photographic images
AT267327B (en) Process for developing latent electrostatic images and apparatus for carrying out the process
CH463273A (en) Process for making photographic images
AT267326B (en) Apparatus for developing latent electrostatic images
CH433977A (en) Process for making photographic images
CH418127A (en) Process for making photographic images
CH470009A (en) Process for making electrophotographic images
CH478423A (en) Process for making photographic images
CH526794A (en) Process for making photographic images
CH442016A (en) Process for developing electrophotographic images
CH474085A (en) Process for increasing the sensitivity of photographic material
CH503296A (en) Process for making photographic images
DE2364563A1 (en) DEVICE FOR THE DEVELOPMENT OF LATENTAL ELECTROPHOTOGRAPHIC IMAGES
AT293058B (en) Process for image multiplication
CH493872A (en) Apparatus for cascading development of latent electrostatic images
CH430457A (en) Apparatus for developing electrostatic images
CH455515A (en) Process for making photographic images

Legal Events

Date Code Title Description
PL Patent ceased