JPH0551538B2 - - Google Patents

Info

Publication number
JPH0551538B2
JPH0551538B2 JP61121181A JP12118186A JPH0551538B2 JP H0551538 B2 JPH0551538 B2 JP H0551538B2 JP 61121181 A JP61121181 A JP 61121181A JP 12118186 A JP12118186 A JP 12118186A JP H0551538 B2 JPH0551538 B2 JP H0551538B2
Authority
JP
Japan
Prior art keywords
iron oxide
weight
magnetic iron
magnetic
content
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
JP61121181A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62278131A (ja
Inventor
Kiichiro Sakashita
Yasuo Iwahashi
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP61121181A priority Critical patent/JPS62278131A/ja
Publication of JPS62278131A publication Critical patent/JPS62278131A/ja
Priority to US07/395,302 priority patent/US4975214A/en
Publication of JPH0551538B2 publication Critical patent/JPH0551538B2/ja
Granted 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
    • G03G9/083—Magnetic toner particles
    • G03G9/0831—Chemical composition of the magnetic components
    • G03G9/0834—Non-magnetic inorganic compounds chemically incorporated in magnetic components
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
    • G11B5/70626—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances
    • G11B5/70642—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances iron oxides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Compounds Of Iron (AREA)
  • Hard Magnetic Materials (AREA)
JP61121181A 1986-05-28 1986-05-28 ケイ素元素を有する磁性酸化鉄 Granted JPS62278131A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP61121181A JPS62278131A (ja) 1986-05-28 1986-05-28 ケイ素元素を有する磁性酸化鉄
US07/395,302 US4975214A (en) 1986-05-28 1989-08-18 Magnetic iron oxide containing silicon element and process for producing same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61121181A JPS62278131A (ja) 1986-05-28 1986-05-28 ケイ素元素を有する磁性酸化鉄

Publications (2)

Publication Number Publication Date
JPS62278131A JPS62278131A (ja) 1987-12-03
JPH0551538B2 true JPH0551538B2 (enExample) 1993-08-02

Family

ID=14804855

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61121181A Granted JPS62278131A (ja) 1986-05-28 1986-05-28 ケイ素元素を有する磁性酸化鉄

Country Status (2)

Country Link
US (1) US4975214A (enExample)
JP (1) JPS62278131A (enExample)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2759518B2 (ja) * 1989-09-14 1998-05-28 キヤノン株式会社 静電潜像現像用磁性トナー
JP2756323B2 (ja) * 1989-10-17 1998-05-25 キヤノン株式会社 静電潜像現像用磁性トナー
JP2917357B2 (ja) * 1990-02-07 1999-07-12 ミノルタ株式会社 複写装置用磁性粉含有部材
US5424810A (en) * 1991-09-13 1995-06-13 Canon Kabushiki Kaisha Magnetic toner, magnetic developer, apparatus unit, image forming apparatus and facsimile apparatus
US5356712A (en) * 1991-09-13 1994-10-18 Mitsui Mining & Smelting Co., Ltd. Magnetite particles
US5389482A (en) * 1992-04-23 1995-02-14 Toda Kogyo Corp. Magnetic particle powder included in magnetic toners for magnetic image character recognition
SG44763A1 (en) * 1993-10-08 1997-12-19 Canon Kk Magnetic toner process cartridge and image forming method
US6002895A (en) * 1994-05-13 1999-12-14 Canon Kabushiki Kaisha Process cartridge
EP0686882B1 (en) * 1994-05-13 1999-08-11 Canon Kabushiki Kaisha Toner for developing electrostatic images, process cartridge, and image forming method
US5641600A (en) * 1994-08-05 1997-06-24 Canon Kabushiki Kaisha Magnetic toner and image forming method
US5489497A (en) * 1994-09-01 1996-02-06 Xerox Corporation Magnetic toner compositions with surface additives
JP2986370B2 (ja) * 1995-04-13 1999-12-06 株式会社巴川製紙所 電子写真用トナー
JP3470929B2 (ja) * 1995-07-04 2003-11-25 三井金属鉱業株式会社 マグネタイト粒子およびその製造方法
JP3438465B2 (ja) * 1996-03-07 2003-08-18 戸田工業株式会社 磁性酸化鉄粒子、該粒子を主体としてなる磁性トナー用磁性酸化鉄粒子粉末及びその製造法並びに該磁性酸化鉄粒子粉末を用いた磁性トナー
EP0851307B1 (en) 1996-12-26 2005-04-27 Canon Kabushiki Kaisha Magnetic toner, process for producing magnetic toner, and image forming method
WO1998051435A1 (en) * 1997-05-14 1998-11-19 Weixin Tang Fully-coated, uniform-sized metallic particles
DE69828014T2 (de) 1997-09-16 2005-12-01 Canon K.K. Magnetischer Toner und Bildherstellungsverfahren
DE19919791A1 (de) * 1999-04-30 2000-11-02 Bayer Ag Verfahren zur Herstellung von Fällungsmagnetiten
US6670087B2 (en) 2000-11-07 2003-12-30 Canon Kabushiki Kaisha Toner, image-forming apparatus, process cartridge and image forming method
DE10209150A1 (de) 2002-03-01 2003-09-11 Bayer Ag Verfahren zur Herstellung von Magnetitteilchen und deren Verwendung
JP4018495B2 (ja) * 2002-09-27 2007-12-05 キヤノン株式会社 乾式トナー
JP5400440B2 (ja) * 2009-03-19 2014-01-29 三井金属鉱業株式会社 マグネタイト粒子

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4113658A (en) * 1967-04-14 1978-09-12 Stamicarbon, N.V. Process for homogeneous deposition precipitation of metal compounds on support or carrier materials
JPS5528203A (en) * 1978-08-17 1980-02-28 Hitachi Ltd Method of attaching base of annular fluorescent lamp
JPS5676510A (en) * 1979-11-28 1981-06-24 Tdk Corp Manufacture of magnetic recording material
FR2487326A1 (fr) * 1980-07-24 1982-01-29 Kodak Pathe Procede de preparation de particules aciculaires d'oxyde de fer magnetique
JPS58161710A (ja) * 1982-03-20 1983-09-26 Hitachi Maxell Ltd 強磁性粉末の製造方法
JPS602226A (ja) * 1983-06-20 1985-01-08 松下電器産業株式会社 電気掃除機用床ノズル
JPS6134070A (ja) * 1984-07-27 1986-02-18 Titan Kogyo Kk 四三酸化鉄顔料の製造法
JPS6155509A (ja) * 1984-08-27 1986-03-20 Dowa:Kk 気化バ−ナにおける燃焼促進装置
JPH01106420A (ja) * 1987-10-19 1989-04-24 Matsushita Electron Corp 化学的気相析出装置

Also Published As

Publication number Publication date
JPS62278131A (ja) 1987-12-03
US4975214A (en) 1990-12-04

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term