AU557231B2 - Magnetic carrier powder - Google Patents

Magnetic carrier powder

Info

Publication number
AU557231B2
AU557231B2 AU11360/83A AU1136083A AU557231B2 AU 557231 B2 AU557231 B2 AU 557231B2 AU 11360/83 A AU11360/83 A AU 11360/83A AU 1136083 A AU1136083 A AU 1136083A AU 557231 B2 AU557231 B2 AU 557231B2
Authority
AU
Australia
Prior art keywords
magnetic carrier
carrier powder
particle size
less
average particle
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
AU11360/83A
Other languages
English (en)
Other versions
AU1136083A (en
Inventor
Kenji Imamura
Katsuhisa Kakizaki
Motohiko Makino
Hiroshi Saitoh
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.)
TDK Corp
Original Assignee
TDK Corp
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 TDK Corp filed Critical TDK Corp
Publication of AU1136083A publication Critical patent/AU1136083A/en
Application granted granted Critical
Publication of AU557231B2 publication Critical patent/AU557231B2/en
Anticipated expiration legal-status Critical
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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/34—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
    • H01F1/36—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites in the form of particles
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Soft Magnetic Materials (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Hard Magnetic Materials (AREA)
AU11360/83A 1982-02-13 1983-02-11 Magnetic carrier powder Expired AU557231B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP57021923A JPS58144839A (ja) 1982-02-13 1982-02-13 磁性キヤリヤ粒子
JP2192382 1982-02-13

Publications (2)

Publication Number Publication Date
AU1136083A AU1136083A (en) 1983-08-18
AU557231B2 true AU557231B2 (en) 1986-12-11

Family

ID=12068585

Family Applications (1)

Application Number Title Priority Date Filing Date
AU11360/83A Expired AU557231B2 (en) 1982-02-13 1983-02-11 Magnetic carrier powder

Country Status (6)

Country Link
EP (1) EP0086444B1 (de)
JP (1) JPS58144839A (de)
AT (1) ATE27380T1 (de)
AU (1) AU557231B2 (de)
DE (1) DE3371725D1 (de)
DK (1) DK161047C (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0664362B2 (ja) * 1982-12-15 1994-08-22 日立金属株式会社 電子写真用フエライトキヤリア
JPS6077129A (ja) * 1983-09-30 1985-05-01 Toshiba Corp バリウムフエライト磁性粉
JPS60134249A (ja) * 1983-12-22 1985-07-17 Fuji Elelctrochem Co Ltd 静電複写用フエライトキヤリア材
JPS60135958A (ja) * 1983-12-23 1985-07-19 Toda Kogyo Corp 球状を呈する磁性キヤリア粒子及びその製造法
JPH0648393B2 (ja) * 1984-04-25 1994-06-22 富士電気化学株式会社 静電複写用フェライトキャリア材
JPS60227266A (ja) * 1984-04-25 1985-11-12 Fuji Elelctrochem Co Ltd 静電複写用フエライトキヤリア材
JPH0648394B2 (ja) * 1984-04-25 1994-06-22 富士電気化学株式会社 静電複写用フェライトキャリア材
JPH0648395B2 (ja) * 1984-04-26 1994-06-22 富士電気化学株式会社 静電複写用フェライトキャリア材
JPS60227269A (ja) * 1984-04-26 1985-11-12 Fuji Elelctrochem Co Ltd 静電複写用フエライトキヤリア材
JP2518684B2 (ja) * 1989-04-10 1996-07-24 株式会社巴川製紙所 反転現像用現像剤
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
WO1993004408A1 (en) * 1991-08-16 1993-03-04 Eastman Kodak Company Ferrite green beads and method of producing carrier particles
JP3219926B2 (ja) * 1993-02-05 2001-10-15 京セラ株式会社 静電潜像現像剤用磁性キャリア、静電潜像現像剤および画像形成方法
US5512402A (en) * 1993-05-20 1996-04-30 Canon Kabushiki Kaisha Carrier for electrophotography, two-component type developer, and image forming method
EP0650099B1 (de) * 1993-10-15 2000-08-23 Canon Kabushiki Kaisha Trägermaterial für Elektrophotographie, Entwickler des zwei-komponenten Typs, und Bildherstellungsverfahren
CA2151988C (en) * 1994-06-22 2001-12-18 Kenji Okado Carrier for electrophotography, two component-type developer and image forming method
EP0689100B1 (de) 1994-06-22 2000-10-11 Canon Kabushiki Kaisha Träger für die Elektrophotographie, Zwei-Komponenten-Entwickler und Verfahren zur Bildherstellung
JP2000172019A (ja) * 1998-09-30 2000-06-23 Canon Inc 二成分系現像剤用樹脂コ―トキャリア、二成分系現像剤及び現像方法
JP4205803B2 (ja) 1999-02-09 2009-01-07 富士ゼロックス株式会社 静電荷像現像剤用キャリア、それを用いた現像剤及び画像形成方法ならびにキャリア芯材再生方法
DE60120556T2 (de) 2000-05-23 2007-06-06 Ricoh Co., Ltd. Zwei-Komponenten-Entwickler, ein mit diesem Entwickler gefüllter Behälter, und Bilderzeugungsvorrichtung
US7166404B2 (en) 2001-03-02 2007-01-23 Ricoh Company, Ltd. Carrier for developer for developing electrostatic latent image, image forming method using same and image forming apparatus using same
US7192679B2 (en) 2003-03-19 2007-03-20 Ricoh Company, Ltd. Carrier for electrophotographic developer
JP4682062B2 (ja) 2006-03-07 2011-05-11 株式会社リコー キャリア、現像剤、画像形成方法及びプロセスカートリッジ
JP4861233B2 (ja) 2006-04-17 2012-01-25 株式会社リコー 電子写真現像剤キャリア用芯材粒子及びその製造方法、並びに電子写真用現像剤及び画像形成方法
JP5333882B2 (ja) 2006-09-14 2013-11-06 株式会社リコー 電子写真用現像剤
US8679719B2 (en) 2007-03-16 2014-03-25 Ricoh Company, Ltd. Carrier, developer and electrophotographic developing method and image forming method
KR101218984B1 (ko) * 2010-11-18 2013-01-04 삼성전기주식회사 세라믹 전자부품용 자성체 조성물, 그 제조방법 및 이를 이용한 세라믹 전자부품
CN108863333B (zh) * 2018-07-05 2020-10-30 浙江大学 一种制备高性能NiZn铁氧体的Cu、V、Bi、Co离子联合替代方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1017521B (de) * 1953-11-27 1957-10-10 Steatit Magnesia Ag Verfahren zur Herstellung ferromagnetischer, keramischer Koerper mit hoher Guete bei Hochfrequenz
NL281410A (de) * 1962-07-25 1964-12-10
FR1502764A (fr) * 1966-08-23 1967-11-24 Philips Eclairage Radio Matériaux ferromagnétiques à base de ferrite de nickel ou de nickel-zinc
US3914181A (en) * 1971-07-08 1975-10-21 Xerox Corp Electrostatographic developer mixtures comprising ferrite carrier beads
US3839029A (en) * 1971-07-08 1974-10-01 Xerox Corp Electrostatographic development with ferrite developer materials
NL7316126A (de) * 1971-09-24 1974-06-04
FR2165011A5 (de) * 1971-12-14 1973-08-03 Thomson Csf
US4042518A (en) * 1973-09-05 1977-08-16 Xerox Corporation Stoichiometric ferrite carriers
US3929657A (en) * 1973-09-05 1975-12-30 Xerox Corp Stoichiometric ferrite carriers
JPS6036082B2 (ja) * 1978-10-27 1985-08-19 ティーディーケイ株式会社 電子写真磁性トナ−用フエライト粉体およびその製造方法
FR2490847A1 (fr) * 1980-09-22 1982-03-26 Cii Honeywell Bull Element d'enregistrement magnetique
JPS57177162A (en) * 1981-04-24 1982-10-30 Nec Corp Developer for electrophotography

Also Published As

Publication number Publication date
EP0086444B1 (de) 1987-05-20
AU1136083A (en) 1983-08-18
DK161047C (da) 1991-10-28
DK60983D0 (da) 1983-02-11
DK161047B (da) 1991-05-21
ATE27380T1 (de) 1987-06-15
EP0086444A1 (de) 1983-08-24
JPS58144839A (ja) 1983-08-29
DK60983A (da) 1983-08-14
DE3371725D1 (en) 1987-06-25

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired