EP0447153A1 - Support pour développeur - Google Patents

Support pour développeur Download PDF

Info

Publication number
EP0447153A1
EP0447153A1 EP91302001A EP91302001A EP0447153A1 EP 0447153 A1 EP0447153 A1 EP 0447153A1 EP 91302001 A EP91302001 A EP 91302001A EP 91302001 A EP91302001 A EP 91302001A EP 0447153 A1 EP0447153 A1 EP 0447153A1
Authority
EP
European Patent Office
Prior art keywords
carrier
particles
electric resistance
field intensity
component 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.)
Withdrawn
Application number
EP91302001A
Other languages
German (de)
English (en)
Inventor
Hiroshi Komata
Nobuyuki Tsuji
Takahiko Kimura
Hidenori Asada
Shigeki Yamada
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.)
Kyocera Mita Industrial Co Ltd
Original Assignee
Mita Industrial 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 JP2060092A external-priority patent/JPH03261961A/ja
Priority claimed from JP2187199A external-priority patent/JPH0475064A/ja
Application filed by Mita Industrial Co Ltd filed Critical Mita Industrial Co Ltd
Publication of EP0447153A1 publication Critical patent/EP0447153A1/fr
Withdrawn legal-status Critical Current

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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
    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Developing Agents For Electrophotography (AREA)
EP91302001A 1990-03-13 1991-03-11 Support pour développeur Withdrawn EP0447153A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2060092A JPH03261961A (ja) 1990-03-13 1990-03-13 現像剤用キャリヤ
JP60092/90 1990-03-13
JP187199/90 1990-07-17
JP2187199A JPH0475064A (ja) 1990-07-17 1990-07-17 静電像用二成分系現像剤用キャリヤ

Publications (1)

Publication Number Publication Date
EP0447153A1 true EP0447153A1 (fr) 1991-09-18

Family

ID=26401163

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91302001A Withdrawn EP0447153A1 (fr) 1990-03-13 1991-03-11 Support pour développeur

Country Status (1)

Country Link
EP (1) EP0447153A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102804079A (zh) * 2009-06-16 2012-11-28 户田工业株式会社 电子照相显影剂用磁性载体及其制造方法、以及双组分系显影剂

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3996392A (en) * 1975-10-29 1976-12-07 Xerox Corporation Humidity-insensitive ferrite developer materials
WO1986001314A1 (fr) * 1984-08-15 1986-02-27 Halomet, Inc. Noyaux en ferrite porteurs de toner electrostatographique
US4614698A (en) * 1984-11-30 1986-09-30 Mita Industrial Co., Ltd. Two-component electrophotographic developer with magnetic carrier

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3996392A (en) * 1975-10-29 1976-12-07 Xerox Corporation Humidity-insensitive ferrite developer materials
WO1986001314A1 (fr) * 1984-08-15 1986-02-27 Halomet, Inc. Noyaux en ferrite porteurs de toner electrostatographique
US4614698A (en) * 1984-11-30 1986-09-30 Mita Industrial Co., Ltd. Two-component electrophotographic developer with magnetic carrier

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 9, no. 105 (P-354)(1828) 09 March 1985, & JP-A-59 228664 (TDK K.K.) 22 December 1984, *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102804079A (zh) * 2009-06-16 2012-11-28 户田工业株式会社 电子照相显影剂用磁性载体及其制造方法、以及双组分系显影剂

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