DE3153406C2 - - Google Patents

Info

Publication number
DE3153406C2
DE3153406C2 DE3153406A DE3153406A DE3153406C2 DE 3153406 C2 DE3153406 C2 DE 3153406C2 DE 3153406 A DE3153406 A DE 3153406A DE 3153406 A DE3153406 A DE 3153406A DE 3153406 C2 DE3153406 C2 DE 3153406C2
Authority
DE
Germany
Prior art keywords
toner
microelectrodes
latent image
insulating layer
layer
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
DE3153406A
Other languages
German (de)
English (en)
Other versions
DE3153406C3 (de
Inventor
Koji Sakamoto
Kazuo Tokio/Tokyo Jp Kobayashi
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co 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
Priority claimed from JP55170846A external-priority patent/JPS5794766A/ja
Priority claimed from JP17461080A external-priority patent/JPS5799667A/ja
Priority claimed from JP18572680A external-priority patent/JPS57114163A/ja
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority claimed from DE19813148231 external-priority patent/DE3148231A1/de
Publication of DE3153406C2 publication Critical patent/DE3153406C2/de
Application granted granted Critical
Publication of DE3153406C3 publication Critical patent/DE3153406C3/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/09—Apparatus for electrographic processes using a charge pattern for 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
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
    • G03G15/0818—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the structure of the donor member, e.g. surface properties
    • 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
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • 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
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/09—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
    • G03G15/0921—Details concerning the magnetic brush roller structure, e.g. magnet configuration
    • G03G15/0928—Details concerning the magnetic brush roller structure, e.g. magnet configuration relating to the shell, e.g. structure, composition
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/06—Developing structures, details
    • G03G2215/0602—Developer
    • G03G2215/0604—Developer solid type
    • G03G2215/0614—Developer solid type one-component
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/06—Developing structures, details
    • G03G2215/0634—Developing device
    • G03G2215/0636—Specific type of dry developer device
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/06—Developing structures, details
    • G03G2215/0634—Developing device
    • G03G2215/0636—Specific type of dry developer device
    • G03G2215/0651—Electrodes in donor member surface
    • G03G2215/0653—Microelectrodes in donor member surface, e.g. floating

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
DE3153406A 1980-12-05 1981-12-05 Entwicklungseinrichtung für ein elektrophotographisches Kopiergerät Expired - Fee Related DE3153406C3 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP55170846A JPS5794766A (en) 1980-12-05 1980-12-05 Developing method
JP17461080A JPS5799667A (en) 1980-12-12 1980-12-12 Developing method
JP18572680A JPS57114163A (en) 1980-12-30 1980-12-30 Developing device
DE19813148231 DE3148231A1 (de) 1980-12-05 1981-12-05 Entwicklungseinrichtung

Publications (2)

Publication Number Publication Date
DE3153406C2 true DE3153406C2 (sv) 1989-02-23
DE3153406C3 DE3153406C3 (de) 1995-03-23

Family

ID=27432746

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3153406A Expired - Fee Related DE3153406C3 (de) 1980-12-05 1981-12-05 Entwicklungseinrichtung für ein elektrophotographisches Kopiergerät

Country Status (1)

Country Link
DE (1) DE3153406C3 (sv)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2159010A1 (de) * 1970-12-23 1972-07-13 Ibm Tonerschichttrager bei elektrophoto graphischer Abdruckentwicklung
US3739748A (en) * 1970-12-15 1973-06-19 Xerox Corp Donor for touchdown development
DE2333877A1 (de) * 1972-07-03 1974-01-17 Itek Corp Vorrichtung zum entwickeln eines elektrostatischen latenten bildes
DE2407380A1 (de) * 1973-02-15 1974-08-22 Xerox Corp Vorrichtung und verfahren zum entwickeln latenter elektrostatischer bilder
DE1497070B2 (de) * 1962-10-01 1976-04-29 Rank Xerox Ltd., London Vorrichtung zum entwickeln elektrostatischer ladungsbilder
DE3034093A1 (de) * 1979-09-11 1981-04-02 Canon K.K., Tokyo Entwicklungseinrichtung
DE3108194A1 (de) * 1980-03-04 1981-12-24 Canon K.K., Tokyo Entwicklungsverfahren und entwicklungseinrichtung
DE3109214A1 (de) * 1980-03-08 1982-02-11 Mita Industrial Co., Ltd., Osaka Geraet zur entwicklung eines latenten elekrostatischen bildes

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1497070B2 (de) * 1962-10-01 1976-04-29 Rank Xerox Ltd., London Vorrichtung zum entwickeln elektrostatischer ladungsbilder
US3739748A (en) * 1970-12-15 1973-06-19 Xerox Corp Donor for touchdown development
DE2159010A1 (de) * 1970-12-23 1972-07-13 Ibm Tonerschichttrager bei elektrophoto graphischer Abdruckentwicklung
US3754963A (en) * 1970-12-23 1973-08-28 Ibm Surface for impression development in electrophotography
DE2333877A1 (de) * 1972-07-03 1974-01-17 Itek Corp Vorrichtung zum entwickeln eines elektrostatischen latenten bildes
DE2407380A1 (de) * 1973-02-15 1974-08-22 Xerox Corp Vorrichtung und verfahren zum entwickeln latenter elektrostatischer bilder
DE3034093A1 (de) * 1979-09-11 1981-04-02 Canon K.K., Tokyo Entwicklungseinrichtung
DE3108194A1 (de) * 1980-03-04 1981-12-24 Canon K.K., Tokyo Entwicklungsverfahren und entwicklungseinrichtung
DE3109214A1 (de) * 1980-03-08 1982-02-11 Mita Industrial Co., Ltd., Osaka Geraet zur entwicklung eines latenten elekrostatischen bildes

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Chang, Wilbur: Impression Development, electrophotography Second International Conference, S. 74-79, Society of Photographics Scientists and Engineers, 1974 *

Also Published As

Publication number Publication date
DE3153406C3 (de) 1995-03-23

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