DE60118054D1 - Magnetische Trägerteilchen - Google Patents

Magnetische Trägerteilchen

Info

Publication number
DE60118054D1
DE60118054D1 DE60118054T DE60118054T DE60118054D1 DE 60118054 D1 DE60118054 D1 DE 60118054D1 DE 60118054 T DE60118054 T DE 60118054T DE 60118054 T DE60118054 T DE 60118054T DE 60118054 D1 DE60118054 D1 DE 60118054D1
Authority
DE
Germany
Prior art keywords
carrier particles
magnetic carrier
magnetic
particles
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
DE60118054T
Other languages
English (en)
Other versions
DE60118054T2 (de
Inventor
Patrick Lambert
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of DE60118054D1 publication Critical patent/DE60118054D1/de
Application granted granted Critical
Publication of DE60118054T2 publication Critical patent/DE60118054T2/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
    • G03G9/1075—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
    • G03G9/107—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
    • G03G9/107—Developers with toner particles characterised by carrier particles having magnetic components
    • G03G9/1088—Binder-type carrier
DE60118054T 2000-05-17 2001-05-04 Magnetische Trägerteilchen Expired - Lifetime DE60118054T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US572988 2000-05-17
US09/572,988 US6232026B1 (en) 2000-05-17 2000-05-17 Magnetic carrier particles

Publications (2)

Publication Number Publication Date
DE60118054D1 true DE60118054D1 (de) 2006-05-11
DE60118054T2 DE60118054T2 (de) 2006-11-23

Family

ID=24290179

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60118054T Expired - Lifetime DE60118054T2 (de) 2000-05-17 2001-05-04 Magnetische Trägerteilchen

Country Status (7)

Country Link
US (1) US6232026B1 (de)
EP (1) EP1156374B1 (de)
JP (1) JP4763216B2 (de)
AU (1) AU2001259756A1 (de)
CA (1) CA2375307C (de)
DE (1) DE60118054T2 (de)
WO (1) WO2001088622A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6723481B2 (en) * 2000-05-17 2004-04-20 Heidelberger Druckmaschinen Ag Method for using hard magnetic carriers in an electrographic process
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
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
JP4091538B2 (ja) * 2003-03-13 2008-05-28 株式会社リコー 静電潜像現像用キャリア、現像剤、現像剤容器、画像形成方法及びプロセスカートリッジ
JP4087324B2 (ja) * 2003-10-10 2008-05-21 株式会社リコー 静電潜像現像剤用キャリア、現像剤、現像装置、現像剤容器、画像形成装置、現像方法及びプロセスカートリッジ
US20050271961A1 (en) * 2004-03-05 2005-12-08 Jadwin Thomas A Substrate and near infrared absorbing toner
US20060150902A1 (en) * 2004-03-09 2006-07-13 Eastman Kodak Company Powder coating apparatus and method of powder coating using an electromagnetic brush
EP1723474A2 (de) * 2004-03-09 2006-11-22 Eastman Kodak Company Pulverbeschichtung unter verwendung eines elektromagnetischen pinsels
JP4197172B2 (ja) * 2004-06-30 2008-12-17 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及びその製造方法、並びに該フェライトキャリアを用いた電子写真現像剤
US7426361B2 (en) * 2005-09-01 2008-09-16 Eastman Kodak Company Developer mixing apparatus having four ribbon blenders
US9207582B1 (en) * 2014-09-25 2015-12-08 Eastman Kodak Company Reducing toning spacing sensitivity

Family Cites Families (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7006084A (de) 1969-06-02 1970-12-04
US3795618A (en) 1972-03-21 1974-03-05 Eastman Kodak Co Electrographic carrier vehicle and developer composition
US3795617A (en) 1972-03-21 1974-03-05 Eastman Kodak Co Electrographic carrier vehicle and developer composition
US3893935A (en) 1972-05-30 1975-07-08 Eastman Kodak Co Electrographic toner and developer composition
JPS5123354B2 (de) 1973-01-16 1976-07-16
US3938992A (en) 1973-07-18 1976-02-17 Eastman Kodak Company Electrographic developing composition and process using a fusible, crosslinked binder polymer
US4042518A (en) 1973-09-05 1977-08-16 Xerox Corporation Stoichiometric ferrite carriers
CA1060696A (en) 1975-07-09 1979-08-21 Eastman Kodak Company Electrographic toner and developer composition
US4076857A (en) 1976-06-28 1978-02-28 Eastman Kodak Company Process for developing electrographic images by causing electrical breakdown in the developer
JPS53127726A (en) 1977-04-13 1978-11-08 Canon Inc Electrostatic image developing toner
AU530410B2 (en) 1978-02-21 1983-07-14 Sintef Preparing aqueous emulsions
US4385823A (en) 1979-04-16 1983-05-31 Eastman Kodak Company Method and means for improving maximum density and tonal range of electrographic images
US4485162A (en) 1982-02-12 1984-11-27 Tdk Electronics Co., Ltd. Magnetic carrier powder having a wide chargeable range of electric resistance useful for magnetic brush development
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−
JPS5918955A (ja) * 1982-07-23 1984-01-31 Hitachi Metals Ltd 電子写真用フエライトキヤリア−
AU555150B2 (en) 1982-11-08 1986-09-11 Eastman Kodak Company Electrographic developer composition and method for using thesame
US4473029A (en) 1983-07-01 1984-09-25 Eastman Kodak Company Electrographic magnetic brush development method, apparatus and system
US4531832A (en) 1983-08-01 1985-07-30 Eastman Kodak Company Electrographic apparatus, method and system employing image development adjustment
US4496643A (en) 1984-03-23 1985-01-29 Eastman Kodak Company Two-component dry electrostatic developer composition containing onium charge control agent
DE3702036A1 (de) * 1987-01-24 1988-08-04 Basf Ag Feststoff zur herstellung hexagonaler ferrite
US4764445A (en) 1987-06-15 1988-08-16 Eastman Kodak Company Electrographic magnetic carrier particles
US4833060A (en) 1988-03-21 1989-05-23 Eastman Kodak Company Polymeric powders having a predetermined and controlled size and size distribution
US4855205A (en) 1988-08-05 1989-08-08 Eastman Kodak Company Interdispersed two-phase ferrite composite and carrier therefrom
US4855206A (en) 1988-08-05 1989-08-08 Eastman Kodak Company Rare earth containing magnetic carrier particles
US5212038A (en) 1989-08-21 1993-05-18 Mita Industrial Co., Ltd. Developer and process for preparation thereof
US5061586A (en) 1990-04-05 1991-10-29 Eastman Kodak Company Glass composite magnetic carrier particles
JPH07111588B2 (ja) * 1990-04-11 1995-11-29 株式会社巴川製紙所 磁性トナー
US5106714A (en) 1990-08-01 1992-04-21 Eastman Kodak Company Interdispersed two-phase ferrite composite and electrographic magnetic carrier particles therefrom
US5104761A (en) 1990-09-14 1992-04-14 Eastman Kodak Company Interdispersed three-phase ferrite composite and electrographic magnetic carrier particles therefrom
EP0492665B1 (de) 1990-12-28 1998-06-03 Kyocera Corporation Elektrophotographische elektrisch leitende magnetische Trägerteilchen, Entwickler mit derartigen Teilchen und Bildherstellungsverfahren
JPH05144615A (ja) * 1991-04-18 1993-06-11 Toshiba Corp 磁気記録用磁性粉およびそれを用いた磁気記録媒体
DE4140900A1 (de) 1991-12-12 1993-06-17 Basf Ag Als carrier fuer die elektrophotographie geeignete teilchen
US5190841A (en) * 1991-12-19 1993-03-02 Eastman Kodak Company Two-phase ferroelectric-ferromagnetic composite and carrier therefrom
US5190842A (en) 1991-12-19 1993-03-02 Eastman Kodak Company Two phase ferroelectric-ferromagnetic composite carrier
EP0580135B1 (de) * 1992-07-22 1997-04-16 Canon Kabushiki Kaisha Trägerteilchen für die Elektrophotographie, Zweikomponententypentwickler und Bildherstellungsverfahren
US5332645A (en) 1992-09-28 1994-07-26 Eastman Kodak Company Low dusting carriers
US5268249A (en) 1992-10-29 1993-12-07 Eastman Kodak Company Magnetic carrier particles
US5306592A (en) 1992-10-29 1994-04-26 Eastman Kodak Company Method of preparing electrographic magnetic carrier particles
JP3155849B2 (ja) 1993-01-29 2001-04-16 キヤノン株式会社 静電荷像現像用現像剤
US5376492A (en) 1993-05-20 1994-12-27 Eastman Kodak Company Method and apparatus for developing an electrostatic image using a two component developer
BR9406853A (pt) 1993-06-16 1996-03-26 Jud Ireland Dispositivo de saco profilático frouxo tendo fechamento aperfeiçoado
GB9313020D0 (en) 1993-06-24 1993-08-11 Madge Networks Ltd Jitter monitoring
JPH07181743A (ja) 1993-12-24 1995-07-21 Kao Corp 電子写真用キャリア及びその製造方法
DE4403678A1 (de) 1994-02-07 1995-08-10 Basf Ag Metalloxid- und metallbeschichtete Carrier für die Elektrophotographie
US5424160A (en) 1994-06-29 1995-06-13 Xerox Corporation Conductive carrier coatings and processes for the perfection thereof
US5512403A (en) 1994-08-05 1996-04-30 Eastman Kodak Company Mixture of carrier particles useful in electrographic developers
US5500320A (en) 1994-08-29 1996-03-19 Eastman Kodak Company High speed developer compositions with ferrite carriers
JP3508070B2 (ja) * 1994-11-10 2004-03-22 コニカミノルタホールディングス株式会社 静電荷像現像用キャリアおよびその製造方法並びに画像形成方法
JPH096052A (ja) * 1995-06-23 1997-01-10 Hitachi Metals Ltd 電子写真用フェライトキャリア
US5737677A (en) 1995-08-31 1998-04-07 Eastman Kodak Company Apparatus and method of toner transfer using non-marking toner
JP3379316B2 (ja) * 1995-12-18 2003-02-24 富士ゼロックス株式会社 静電荷像現像剤および画像形成方法
JP3494193B2 (ja) * 1996-02-02 2004-02-03 キヤノン株式会社 画像形成方法
JPH09236947A (ja) * 1996-03-01 1997-09-09 Hitachi Metals Ltd フェライトキャリア
EP0827038B1 (de) 1996-09-02 2001-06-20 Canon Kabushiki Kaisha Toner für die Entwicklung elektrostatischer Bilder und Bilderzeugungsverfahren
JP3458886B2 (ja) * 1996-12-13 2003-10-20 戸田工業株式会社 磁性トナー用磁性酸化鉄粒子粉末及び該磁性酸化鉄粒子粉末を用いた磁性トナー
US5795692A (en) 1997-03-31 1998-08-18 Xerox Corporation Carrier composition and processes thereof
US5998076A (en) 1998-03-09 1999-12-07 Xerox Corporation Carrier
US5989767A (en) * 1998-12-15 1999-11-23 Eastman Kodak Company Carrier particles for electrostatographic developers
JP2000233930A (ja) * 1999-01-25 2000-08-29 Powdertech Corp 広範囲に調節可能な磁気モーメントを有する環境に無害の高導電率フェライトキャリアコア組成物及びその粒子

Also Published As

Publication number Publication date
JP4763216B2 (ja) 2011-08-31
DE60118054T2 (de) 2006-11-23
CA2375307C (en) 2007-08-28
EP1156374A2 (de) 2001-11-21
JP2003533744A (ja) 2003-11-11
CA2375307A1 (en) 2001-11-22
US6232026B1 (en) 2001-05-15
AU2001259756A1 (en) 2001-11-26
EP1156374B1 (de) 2006-03-22
EP1156374A3 (de) 2002-08-21
WO2001088622A1 (en) 2001-11-22

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Legal Events

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8364 No opposition during term of opposition