DK161114C - Magnetisk baerepulver - Google Patents

Magnetisk baerepulver

Info

Publication number
DK161114C
DK161114C DK061083A DK61083A DK161114C DK 161114 C DK161114 C DK 161114C DK 061083 A DK061083 A DK 061083A DK 61083 A DK61083 A DK 61083A DK 161114 C DK161114 C DK 161114C
Authority
DK
Denmark
Prior art keywords
magnetic bearing
bearing powder
powder
magnetic
bearing
Prior art date
Application number
DK061083A
Other languages
English (en)
Other versions
DK61083A (da
DK161114B (da
DK61083D0 (da
Inventor
Kenji Imamura
Hiroshi Saitoh
Katsuhisa Kakizaki
Motohiko Makino
Original Assignee
Tdk Electronics 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 JP57020963A external-priority patent/JPS58145621A/ja
Priority claimed from JP57020965A external-priority patent/JPS58145625A/ja
Priority claimed from JP57020964A external-priority patent/JPS58145622A/ja
Application filed by Tdk Electronics Co Ltd filed Critical Tdk Electronics Co Ltd
Publication of DK61083D0 publication Critical patent/DK61083D0/da
Publication of DK61083A publication Critical patent/DK61083A/da
Publication of DK161114B publication Critical patent/DK161114B/da
Application granted granted Critical
Publication of DK161114C publication Critical patent/DK161114C/da

Links

Classifications

    • 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
    • G03G9/108—Ferrite carrier, e.g. magnetite
    • G03G9/1085—Ferrite carrier, e.g. magnetite with non-ferrous metal oxide, e.g. MgO-Fe2O3

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Developing Agents For Electrophotography (AREA)
DK061083A 1982-02-12 1983-02-11 Magnetisk baerepulver DK161114C (da)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2096482 1982-02-12
JP2096382 1982-02-12
JP57020963A JPS58145621A (ja) 1982-02-12 1982-02-12 磁性キヤリヤ粒子
JP57020965A JPS58145625A (ja) 1982-02-12 1982-02-12 磁性キヤリヤ粒子
JP2096582 1982-02-12
JP57020964A JPS58145622A (ja) 1982-02-12 1982-02-12 磁性キヤリヤ粒子

Publications (4)

Publication Number Publication Date
DK61083D0 DK61083D0 (da) 1983-02-11
DK61083A DK61083A (da) 1983-08-13
DK161114B DK161114B (da) 1991-05-27
DK161114C true DK161114C (da) 1991-11-04

Family

ID=27283236

Family Applications (1)

Application Number Title Priority Date Filing Date
DK061083A DK161114C (da) 1982-02-12 1983-02-11 Magnetisk baerepulver

Country Status (6)

Country Link
US (1) US4485162A (da)
EP (1) EP0086445B1 (da)
AU (1) AU561544B2 (da)
CA (1) CA1242101A (da)
DE (1) DE3373587D1 (da)
DK (1) DK161114C (da)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5948774A (ja) * 1982-09-13 1984-03-21 Nippon Teppun Kk 電子写真現像用キヤリヤ
JPH0629991B2 (ja) * 1983-04-15 1994-04-20 ミノルタカメラ株式会社 電子写真用磁性現像剤
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
JPS60102647A (ja) * 1983-11-10 1985-06-06 Konishiroku Photo Ind Co Ltd 絶縁性磁性トナ−
US4894305A (en) * 1984-05-17 1990-01-16 Xerox Corporation Carrier and developer compositions generated from fly ash particles
US4592988A (en) * 1984-08-15 1986-06-03 Halomet, Inc. Ferrite toner carrier core composition derived from fly ash
US4698289A (en) * 1984-08-15 1987-10-06 Halomet Inc. Process for making ferrite spherical particulate toner core from raw fly ash
US5106714A (en) * 1990-08-01 1992-04-21 Eastman Kodak Company Interdispersed two-phase ferrite composite and electrographic magnetic carrier particles therefrom
US5162187A (en) * 1990-08-24 1992-11-10 Xerox Corporation Developer compositions with coated carrier particles
US5104761A (en) * 1990-09-14 1992-04-14 Eastman Kodak Company Interdispersed three-phase ferrite composite and electrographic magnetic carrier particles therefrom
US5798198A (en) * 1993-04-09 1998-08-25 Powdertech Corporation Non-stoichiometric lithium ferrite carrier
US5538656A (en) * 1993-08-31 1996-07-23 Fuji Electrochemical Co., Ltd. Magnetic oxide and process for producing same
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
CA2151988C (en) * 1994-06-22 2001-12-18 Kenji Okado Carrier for electrophotography, two component-type developer and image forming method
EP0689100B1 (en) 1994-06-22 2000-10-11 Canon Kabushiki Kaisha Carrier for electrophotography, two component type developer, and image forming method
JP3261946B2 (ja) * 1995-10-12 2002-03-04 ミノルタ株式会社 静電荷像現像用キャリア
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
US6294304B1 (en) 1998-01-23 2001-09-25 Powdertech Corporation Environmentally benign high conductivity ferrite carrier with widely variable magnetic moment
JP3449322B2 (ja) * 1999-10-27 2003-09-22 株式会社村田製作所 複合磁性材料およびインダクタ素子
DE60132314T2 (de) * 2000-03-10 2009-01-02 Höganäs Ab Verfahren zur herstellung von puder auf eisen-grundlage und puder auf eisengrundlage
US6232026B1 (en) 2000-05-17 2001-05-15 Heidelberg Digital L.L.C. Magnetic carrier particles
EP1156373A1 (en) 2000-05-17 2001-11-21 Heidelberger Druckmaschinen Aktiengesellschaft Electrographic developer compositions and method for development of an electrostatic image
US6723481B2 (en) 2000-05-17 2004-04-20 Heidelberger Druckmaschinen Ag Method for using hard magnetic carriers in an electrographic process
US6228549B1 (en) 2000-05-17 2001-05-08 Heidelberg Digital L.L.C. Magnetic carrier particles
JP3788726B2 (ja) * 2000-07-07 2006-06-21 富士ゼロックス株式会社 ２成分現像剤及びこれを用いた画像形成装置
US20030044711A1 (en) * 2001-08-24 2003-03-06 Powdertech International Corp. Irregular shaped ferrite carrier for conductive magnetic brush development
TWI570245B (zh) * 2015-11-19 2017-02-11 Taiwan Powder Technologies Co Ltd A method for preparing a porous spherical iron-based alloy powder by a reduction reaction, wherein the powder and the powder are prepared Sintered body

Family Cites Families (9)

* 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
NL6812815A (da) * 1968-09-07 1970-03-10
US3627682A (en) * 1968-10-16 1971-12-14 Du Pont Encapsulated particulate binary magnetic toners for developing images
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
GB1433805A (en) * 1972-04-29 1976-04-28 Tdk Electronics Co Ltd Methods of electrolysis using complex iron oxide electrodes
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

Also Published As

Publication number Publication date
AU561544B2 (en) 1987-05-14
EP0086445B1 (en) 1987-09-09
DK61083A (da) 1983-08-13
DK161114B (da) 1991-05-27
DE3373587D1 (en) 1987-10-15
EP0086445A1 (en) 1983-08-24
DK61083D0 (da) 1983-02-11
US4485162A (en) 1984-11-27
CA1242101A (en) 1988-09-20
AU1136183A (en) 1983-08-18

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Legal Events

Date Code Title Description
PUP Patent expired