DE69505458D1 - Ferritcarrier für elektrophotographische Entwickler, und Entwickler diesen Carrier enthaltend - Google Patents

Ferritcarrier für elektrophotographische Entwickler, und Entwickler diesen Carrier enthaltend

Info

Publication number
DE69505458D1
DE69505458D1 DE69505458T DE69505458T DE69505458D1 DE 69505458 D1 DE69505458 D1 DE 69505458D1 DE 69505458 T DE69505458 T DE 69505458T DE 69505458 T DE69505458 T DE 69505458T DE 69505458 D1 DE69505458 D1 DE 69505458D1
Authority
DE
Germany
Prior art keywords
carrier
developers
electrophotographic
ferrite
ferrite carrier
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 - Lifetime
Application number
DE69505458T
Other languages
English (en)
Other versions
DE69505458T2 (de
Inventor
Yuji Sato
Toshio Honjo
Kanao Kayamoto
Masahiro Ogata
Kouichi Shimizu
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.)
Powdertech Co Ltd
Original Assignee
Powdertech 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
Application filed by Powdertech Co Ltd filed Critical Powdertech Co Ltd
Application granted granted Critical
Publication of DE69505458D1 publication Critical patent/DE69505458D1/de
Publication of DE69505458T2 publication Critical patent/DE69505458T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • G03G9/108—Ferrite carrier, e.g. magnetite
    • G03G9/1085—Ferrite carrier, e.g. magnetite with non-ferrous metal oxide, e.g. MgO-Fe2O3
    • 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
DE69505458T 1994-06-07 1995-04-19 Ferritcarrier für elektrophotographische Entwickler, und Entwickler diesen Carrier enthaltend Expired - Lifetime DE69505458T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14700894A JP3238006B2 (ja) 1994-06-07 1994-06-07 電子写真現像剤用フェライトキャリアおよび該キャリアを用いた現像剤

Publications (2)

Publication Number Publication Date
DE69505458D1 true DE69505458D1 (de) 1998-11-26
DE69505458T2 DE69505458T2 (de) 1999-06-02

Family

ID=15420478

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69505458T Expired - Lifetime DE69505458T2 (de) 1994-06-07 1995-04-19 Ferritcarrier für elektrophotographische Entwickler, und Entwickler diesen Carrier enthaltend

Country Status (4)

Country Link
US (1) US5466552A (de)
EP (1) EP0686886B1 (de)
JP (1) JP3238006B2 (de)
DE (1) DE69505458T2 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5798198A (en) * 1993-04-09 1998-08-25 Powdertech Corporation Non-stoichiometric lithium ferrite carrier
CA2151988C (en) * 1994-06-22 2001-12-18 Kenji Okado Carrier for electrophotography, two component-type developer and image forming method
US6548218B1 (en) * 1994-06-22 2003-04-15 Canon Kabushiki Kaisha Magnetic particles for charging means, and electrophotographic apparatus, process cartridge and image forming method including same
EP0708379B1 (de) * 1994-10-05 1999-08-04 Toda Kogyo Corp. Magnetischer Träger für Elektrophotographie
US6090517A (en) * 1995-01-19 2000-07-18 Konica Corporation Two component type developer for electrostatic latent image
US5876893A (en) * 1996-03-01 1999-03-02 Hitachi Metals, Ltd. Ferrite carrier, two-component developer and electrostatic imaging method using the developer
US5900343A (en) * 1996-08-06 1999-05-04 Hitachi Metals, Ltd. Ferrite carrier for electrophotographic development
US6143456A (en) * 1999-11-24 2000-11-07 Xerox Corporation Environmentally friendly ferrite carrier core, and developer containing same
JP3872024B2 (ja) 2003-02-07 2007-01-24 パウダーテック株式会社 キャリア芯材、被覆キャリア、電子写真用二成分系現像剤および画像形成方法
JP3872025B2 (ja) 2003-02-07 2007-01-24 パウダーテック株式会社 キャリア芯材、被覆キャリア、電子写真用二成分系現像剤及び画像形成方法
CN100557726C (zh) * 2003-11-12 2009-11-04 关东电化工业株式会社 镁基铁氧体、含有该铁氧体的电子照相显影载体以及含有该载体的显影剂
JP4668574B2 (ja) * 2003-11-12 2011-04-13 関東電化工業株式会社 Ｍｇ系フェライト並びに該フェライトを用いた電子写真現像用キャリア及び現像剤
US7452651B2 (en) 2004-11-05 2008-11-18 Canon Kabushiki Kaisha Carrier, two-component developer, and image forming method
JP4817390B2 (ja) 2007-01-16 2011-11-16 パウダーテック株式会社 電子写真現像剤用フェライトキャリア芯材、フェライトキャリア及び電子写真現像剤
JP5255310B2 (ja) 2008-03-31 2013-08-07 三井金属鉱業株式会社 電子写真現像剤用キャリア芯材、キャリア及び該キャリアを用いた電子写真現像剤
JP5086865B2 (ja) 2008-03-31 2012-11-28 三井金属鉱業株式会社 電子写真現像剤用キャリア芯材、キャリア及び該キャリアを用いた電子写真現像剤
JP2010210975A (ja) 2009-03-11 2010-09-24 Fuji Xerox Co Ltd 静電荷像現像用キャリア及びその製造方法、静電荷像現像剤、プロセスカートリッジ、画像形成方法、並びに、画像形成装置
JP5300075B2 (ja) * 2009-09-02 2013-09-25 Ｄｏｗａエレクトロニクス株式会社 電子写真現像剤用キャリア芯材およびその製造方法、電子写真現像剤用キャリア、並びに電子写真現像剤
JP6221878B2 (ja) * 2014-03-24 2017-11-01 富士ゼロックス株式会社 静電荷像現像用キャリア、静電荷像現像剤、現像剤カートリッジ、プロセスカートリッジ、及び画像形成装置
US9207582B1 (en) 2014-09-25 2015-12-08 Eastman Kodak Company Reducing toning spacing sensitivity
US9182690B1 (en) 2014-09-25 2015-11-10 Eastman Kodak Company Reducing toning spacing sensitivity

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3370011A (en) * 1963-08-02 1968-02-20 Hitachi Ltd Lithium magnesium ferrite memory core material
JPS58202456A (ja) * 1982-04-07 1983-11-25 Hitachi Metals Ltd 電子写真用フエライトキヤリア−
JPS59111162A (ja) * 1982-12-15 1984-06-27 Hitachi Metals Ltd 電子写真用フエライトキヤリア
JPS59127054A (ja) * 1983-01-11 1984-07-21 Hitachi Metals Ltd 電子写真用現像剤
JPS6090345A (ja) * 1983-10-24 1985-05-21 Fuji Xerox Co Ltd 電子複写機の現像剤キヤリヤ
JPS62267766A (ja) * 1986-05-15 1987-11-20 Hitachi Metals Ltd 静電荷像現像用キヤリア
GB8809608D0 (en) * 1988-04-22 1988-05-25 Alcan Int Ltd Sol-gel method of making ceramics
US5162187A (en) * 1990-08-24 1992-11-10 Xerox Corporation Developer compositions with coated carrier particles

Also Published As

Publication number Publication date
JP3238006B2 (ja) 2001-12-10
EP0686886B1 (de) 1998-10-21
JPH07333910A (ja) 1995-12-22
US5466552A (en) 1995-11-14
EP0686886A1 (de) 1995-12-13
DE69505458T2 (de) 1999-06-02

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