JP5037982B2 - 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 - Google Patents

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 Download PDF

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Publication number
JP5037982B2
JP5037982B2 JP2007077697A JP2007077697A JP5037982B2 JP 5037982 B2 JP5037982 B2 JP 5037982B2 JP 2007077697 A JP2007077697 A JP 2007077697A JP 2007077697 A JP2007077697 A JP 2007077697A JP 5037982 B2 JP5037982 B2 JP 5037982B2
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Japan
Prior art keywords
carrier
electrophotographic developer
core material
carrier core
powder
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JP2007077697A
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Japanese (ja)
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JP2008241742A (ja
JP2008241742A5 (enExample
Inventor
智也 山田
隆志 藤原
竜介 中尾
行弘 松田
友和 毛利
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Dowa IP Creation Co Ltd
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Dowa IP Creation Co Ltd
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Priority to JP2007077697A priority Critical patent/JP5037982B2/ja
Application filed by Dowa IP Creation Co Ltd filed Critical Dowa IP Creation Co Ltd
Priority to KR1020097021904A priority patent/KR101421767B1/ko
Priority to EP08722637.9A priority patent/EP2131248B1/en
Priority to US12/449,866 priority patent/US8697325B2/en
Priority to PCT/JP2008/055285 priority patent/WO2008117752A1/ja
Priority to CN2008800093899A priority patent/CN101641651B/zh
Publication of JP2008241742A publication Critical patent/JP2008241742A/ja
Publication of JP2008241742A5 publication Critical patent/JP2008241742A5/ja
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    • 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
    • G03G9/1087—Specified elemental magnetic metal or alloy, e.g. alnico comprising iron, nickel, cobalt, and aluminum, or permalloy comprising iron and nickel
    • 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
    • G03G9/1131—Coating methods; Structure of coatings

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Developing Agents For Electrophotography (AREA)
JP2007077697A 2007-03-23 2007-03-23 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 Active JP5037982B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2007077697A JP5037982B2 (ja) 2007-03-23 2007-03-23 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
EP08722637.9A EP2131248B1 (en) 2007-03-23 2008-03-21 Carrier core material for electrophotographic developer and method for producing the same, carrier for electrophotographic developer, and electrophotographic developer
US12/449,866 US8697325B2 (en) 2007-03-23 2008-03-21 Carrier core material for electrophotographic developer and method for producing the same, carrier for electrophotographic developer, and electrophotographic developer
PCT/JP2008/055285 WO2008117752A1 (ja) 2007-03-23 2008-03-21 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
KR1020097021904A KR101421767B1 (ko) 2007-03-23 2008-03-21 전자 사진 현상제용 캐리어 코어재 및 그 제조 방법, 전자 사진 현상제용 캐리어, 및 전자 사진 현상제
CN2008800093899A CN101641651B (zh) 2007-03-23 2008-03-21 电子照相显影剂用载体芯材及其制造方法、电子照相显影剂用载体以及电子照相显影剂

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007077697A JP5037982B2 (ja) 2007-03-23 2007-03-23 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

Publications (3)

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JP2008241742A JP2008241742A (ja) 2008-10-09
JP2008241742A5 JP2008241742A5 (enExample) 2010-04-15
JP5037982B2 true JP5037982B2 (ja) 2012-10-03

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JP2007077697A Active JP5037982B2 (ja) 2007-03-23 2007-03-23 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

Country Status (6)

Country Link
US (1) US8697325B2 (enExample)
EP (1) EP2131248B1 (enExample)
JP (1) JP5037982B2 (enExample)
KR (1) KR101421767B1 (enExample)
CN (1) CN101641651B (enExample)
WO (1) WO2008117752A1 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5394795B2 (ja) * 2009-03-31 2014-01-22 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電子写真現像剤用キャリア並びに電子写真現像剤
JP5377386B2 (ja) * 2010-03-29 2013-12-25 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、その製造方法、電子写真現像剤用キャリア、および電子写真現像剤
JP5761921B2 (ja) * 2010-03-30 2015-08-12 Ｄｏｗａエレクトロニクス株式会社 フェライト粒子及びそれを用いた電子写真現像用キャリア、電子写真用現像剤並びにフェライト粒子の製造方法
EP2555056B1 (en) 2010-03-31 2017-01-25 DOWA Electronics Materials Co., Ltd. Carrier core material for electrophotographic developing agent, carrier for electrophotographic developing agent, and electrophotographic developing agent
JP4938883B2 (ja) 2010-06-14 2012-05-23 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、電子写真現像剤用キャリア、電子写真現像剤、および電子写真現像剤用キャリア芯材の製造方法
JP4897916B1 (ja) 2010-10-15 2012-03-14 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、電子写真現像剤用キャリア、および電子写真現像剤
JP5977924B2 (ja) * 2011-03-16 2016-08-24 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の製造方法、電子写真現像剤用キャリアの製造方法、および電子写真現像剤の製造方法
WO2014033875A1 (ja) 2012-08-30 2014-03-06 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の製造方法、電子写真現像剤用キャリア芯材、電子写真現像剤用キャリア、および電子写真現像剤
JP6494453B2 (ja) * 2015-07-10 2019-04-03 Ｄｏｗａエレクトロニクス株式会社 キャリア芯材並びにこれを用いた電子写真現像用キャリア及び電子写真用現像剤
US10409188B2 (en) * 2017-02-10 2019-09-10 Canon Kabushiki Kaisha Magnetic carrier, two-component developer, replenishing developer, and image forming method
JP7116529B2 (ja) * 2017-03-16 2022-08-10 Ｄｏｗａエレクトロニクス株式会社 キャリア芯材並びにこれを用いた電子写真現像用キャリア及び電子写真用現像剤
EP3605236A4 (en) * 2017-03-29 2020-12-02 Powdertech Co., Ltd. FERRITE CARRIER CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPERS, FERRITE CARRIERS, MANUFACTURING METHODS THEREFOR, AND ELECTROPHOTOGRAPHIC DEVELOPERS USING THE SAID FERRITE CARRIER

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1010790A (ja) 1996-06-27 1998-01-16 Fuji Xerox Co Ltd 磁性体分散型キャリア及びその製造方法、静電荷像現像剤、並びに、画像形成方法
JP3370266B2 (ja) 1998-01-09 2003-01-27 花王株式会社 フルカラー電子写真用現像剤
JP3828727B2 (ja) * 2000-08-04 2006-10-04 三井金属鉱業株式会社 酸化鉄粒子
JP2002296846A (ja) 2001-03-30 2002-10-09 Powdertech Co Ltd 電子写真現像剤用キャリア及び該キャリアを用いた現像剤
JP4781015B2 (ja) * 2005-06-03 2011-09-28 パウダーテック株式会社 電子写真用フェライトキャリア芯材、電子写真用フェライトキャリア及びこれらの製造方法、並びに該フェライトキャリアを用いた電子写真用現像剤
JP4718247B2 (ja) * 2005-06-03 2011-07-06 三井金属鉱業株式会社 フェライト成型体用複合酸化鉄粒子の製造方法
JP5377386B2 (ja) * 2010-03-29 2013-12-25 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、その製造方法、電子写真現像剤用キャリア、および電子写真現像剤

Also Published As

Publication number Publication date
EP2131248B1 (en) 2013-07-17
KR20090130073A (ko) 2009-12-17
EP2131248A4 (en) 2010-03-24
JP2008241742A (ja) 2008-10-09
US8697325B2 (en) 2014-04-15
CN101641651B (zh) 2013-02-13
KR101421767B1 (ko) 2014-07-22
EP2131248A1 (en) 2009-12-09
CN101641651A (zh) 2010-02-03
US20100035174A1 (en) 2010-02-11
WO2008117752A1 (ja) 2008-10-02

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