JPS62238580A - 電子写真現像剤用キヤリア - Google Patents

電子写真現像剤用キヤリア

Info

Publication number
JPS62238580A
JPS62238580A JP61081867A JP8186786A JPS62238580A JP S62238580 A JPS62238580 A JP S62238580A JP 61081867 A JP61081867 A JP 61081867A JP 8186786 A JP8186786 A JP 8186786A JP S62238580 A JPS62238580 A JP S62238580A
Authority
JP
Japan
Prior art keywords
carrier
particles
spherical
resin
developer
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.)
Pending
Application number
JP61081867A
Other languages
English (en)
Japanese (ja)
Inventor
敏彦 河野
横江 重夫
岡 和吉
ウルフ・エングシュトレーム
スヴェン−エーリク・ラーシェン
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.)
Kanto Denka Kogyo Co Ltd
Original Assignee
Kanto Denka Kogyo 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
Application filed by Kanto Denka Kogyo Co Ltd filed Critical Kanto Denka Kogyo Co Ltd
Priority to JP61081867A priority Critical patent/JPS62238580A/ja
Priority to CA000533954A priority patent/CA1340150C/en
Priority to EP87105199A priority patent/EP0242712B1/de
Priority to DE8787105199T priority patent/DE3780500T2/de
Publication of JPS62238580A publication Critical patent/JPS62238580A/ja
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00Developers
    • G03G9/08Developers with toner particles
    • G03G9/10Developers with toner particles characterised by carrier particles
    • G03G9/113Developers with toner particles characterised by carrier particles having coatings applied thereto
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00Developers
    • G03G9/08Developers with toner particles
    • G03G9/10Developers with toner particles characterised by carrier particles
    • G03G9/107Developers with toner particles characterised by carrier particles having magnetic components
    • G03G9/1075Structural characteristics of the carrier particles, e.g. shape or crystallographic structure
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00Developers
    • G03G9/08Developers with toner particles
    • G03G9/10Developers with toner particles characterised by carrier particles
    • G03G9/107Developers with toner particles characterised by carrier particles having magnetic components
    • G03G9/108Ferrite carrier, e.g. magnetite

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Developing Agents For Electrophotography (AREA)
JP61081867A 1986-04-09 1986-04-09 電子写真現像剤用キヤリア Pending JPS62238580A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP61081867A JPS62238580A (ja) 1986-04-09 1986-04-09 電子写真現像剤用キヤリア
CA000533954A CA1340150C (en) 1986-04-09 1987-04-06 Carrier material for electrophotographic developers
EP87105199A EP0242712B1 (de) 1986-04-09 1987-04-08 Trägermaterial für elektrophotographische Entwickler
DE8787105199T DE3780500T2 (de) 1986-04-09 1987-04-08 Traegermaterial fuer elektrophotographische entwickler.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61081867A JPS62238580A (ja) 1986-04-09 1986-04-09 電子写真現像剤用キヤリア

Publications (1)

Publication Number Publication Date
JPS62238580A true JPS62238580A (ja) 1987-10-19

Family

ID=13758418

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61081867A Pending JPS62238580A (ja) 1986-04-09 1986-04-09 電子写真現像剤用キヤリア

Country Status (4)

Country Link
EP (1) EP0242712B1 (de)
JP (1) JPS62238580A (de)
CA (1) CA1340150C (de)
DE (1) DE3780500T2 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01223471A (ja) * 1988-03-03 1989-09-06 Canon Inc 電子写真用キヤリア
JPH02304458A (ja) * 1989-05-19 1990-12-18 Hitachi Ltd 電子写真装置
US5512195A (en) * 1993-05-20 1996-04-30 Fuji Electrochemical Co. Ltd. Process for producing single phase magnetite powder
US5538656A (en) * 1993-08-31 1996-07-23 Fuji Electrochemical Co., Ltd. Magnetic oxide and process for producing same

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004088680A2 (en) * 2003-03-31 2004-10-14 Kanto Denka Kogyo Co. Ltd. A mg-based ferrite, an electrophotographic development carrier containing the ferrite, and a developer containing the carrier

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60458A (ja) * 1983-06-09 1985-01-05 Kanto Denka Kogyo Kk 電子写真用キヤリア−
JPS6045262A (ja) * 1983-08-22 1985-03-11 Shintou Bureetaa Kk 電子写真現像用キヤリア材およびその製造法
JPS60144758A (ja) * 1983-12-31 1985-07-31 Dowa Teppun Kogyo Kk 電子写真現像用キヤリヤおよびその製造法
JPS6120054A (ja) * 1984-07-06 1986-01-28 Shintou Bureetaa Kk 電子写真現像用キヤリア

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4076640A (en) * 1975-02-24 1978-02-28 Xerox Corporation Preparation of spheroidized particles

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60458A (ja) * 1983-06-09 1985-01-05 Kanto Denka Kogyo Kk 電子写真用キヤリア−
JPS6045262A (ja) * 1983-08-22 1985-03-11 Shintou Bureetaa Kk 電子写真現像用キヤリア材およびその製造法
JPS60144758A (ja) * 1983-12-31 1985-07-31 Dowa Teppun Kogyo Kk 電子写真現像用キヤリヤおよびその製造法
JPS6120054A (ja) * 1984-07-06 1986-01-28 Shintou Bureetaa Kk 電子写真現像用キヤリア

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01223471A (ja) * 1988-03-03 1989-09-06 Canon Inc 電子写真用キヤリア
JPH02304458A (ja) * 1989-05-19 1990-12-18 Hitachi Ltd 電子写真装置
US5512195A (en) * 1993-05-20 1996-04-30 Fuji Electrochemical Co. Ltd. Process for producing single phase magnetite powder
US5538656A (en) * 1993-08-31 1996-07-23 Fuji Electrochemical Co., Ltd. Magnetic oxide and process for producing same

Also Published As

Publication number Publication date
EP0242712A3 (en) 1988-02-10
EP0242712A2 (de) 1987-10-28
DE3780500T2 (de) 1993-02-25
CA1340150C (en) 1998-12-01
EP0242712B1 (de) 1992-07-22
DE3780500D1 (de) 1992-08-27

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