FR2267577B1 - - Google Patents

Info

Publication number
FR2267577B1
FR2267577B1 FR7429829A FR7429829A FR2267577B1 FR 2267577 B1 FR2267577 B1 FR 2267577B1 FR 7429829 A FR7429829 A FR 7429829A FR 7429829 A FR7429829 A FR 7429829A FR 2267577 B1 FR2267577 B1 FR 2267577B1
Authority
FR
France
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
Application number
FR7429829A
Other languages
French (fr)
Other versions
FR2267577A1 (ko
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Publication of FR2267577A1 publication Critical patent/FR2267577A1/fr
Application granted granted Critical
Publication of FR2267577B1 publication Critical patent/FR2267577B1/fr
Expired legal-status Critical Current

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
    • G03G9/1075—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
    • G03G9/108—Ferrite carrier, e.g. magnetite
    • G03G9/1085—Ferrite carrier, e.g. magnetite with non-ferrous metal oxide, e.g. MgO-Fe2O3

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Hard Magnetic Materials (AREA)
  • Soft Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
FR7429829A 1973-09-05 1974-09-02 Expired FR2267577B1 (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US394604A US3929657A (en) 1973-09-05 1973-09-05 Stoichiometric ferrite carriers

Publications (2)

Publication Number Publication Date
FR2267577A1 FR2267577A1 (ko) 1975-11-07
FR2267577B1 true FR2267577B1 (ko) 1977-03-25

Family

ID=23559666

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7429829A Expired FR2267577B1 (ko) 1973-09-05 1974-09-02

Country Status (9)

Country Link
US (1) US3929657A (ko)
JP (1) JPS5652305B2 (ko)
BE (1) BE819535A (ko)
BR (1) BR7406292D0 (ko)
CA (1) CA1033978A (ko)
DE (1) DE2436725C3 (ko)
FR (1) FR2267577B1 (ko)
GB (1) GB1468841A (ko)
NL (1) NL179516C (ko)

Families Citing this family (27)

* 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
AU502548B2 (en) * 1975-10-29 1979-08-02 Xerox Corporation Ferrite electrostatographic carrier particles
US4075391A (en) * 1975-10-29 1978-02-21 Xerox Corporation Production of ferrite electrostatographic carrier materials having improved properties
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
JPS5585426A (en) * 1978-12-21 1980-06-27 Tdk Corp Magnetic powder for toner or ink and production thereof
JPS58123555A (ja) * 1982-01-19 1983-07-22 Hitachi Metals Ltd 電子写真現像用フェライトキャリア
JPS58123553A (ja) * 1982-01-19 1983-07-22 Hitachi Metals Ltd 電子写真現像用フェライトキャリア
EP0086445B1 (en) * 1982-02-12 1987-09-09 TDK Corporation Magnetic carrier powder
JPS58145625A (ja) * 1982-02-12 1983-08-30 Tdk Corp 磁性キヤリヤ粒子
JPS58145621A (ja) * 1982-02-12 1983-08-30 Tdk Corp 磁性キヤリヤ粒子
JPS58144839A (ja) * 1982-02-13 1983-08-29 Tdk Corp 磁性キヤリヤ粒子
JPS58202456A (ja) * 1982-04-07 1983-11-25 Hitachi Metals Ltd 電子写真用フエライトキヤリア−
JPS58179850A (ja) * 1982-04-15 1983-10-21 Hitachi Metals Ltd 電子写真用フエライトキヤリア−
US4517274A (en) * 1982-08-31 1985-05-14 Mita Industrial Co., Ltd. Method for developing electrostatic latent images
JPS5948774A (ja) * 1982-09-13 1984-03-21 Nippon Teppun Kk 電子写真現像用キヤリヤ
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
JPS60108015U (ja) * 1983-12-26 1985-07-23 株式会社ヨコオ 車両用アンテナ
JPS61281703A (ja) * 1985-06-07 1986-12-12 Matsushita Electric Ind Co Ltd ケ−ブルの導入保護装置
US4764445A (en) * 1987-06-15 1988-08-16 Eastman Kodak Company Electrographic magnetic carrier particles
US5162187A (en) * 1990-08-24 1992-11-10 Xerox Corporation Developer compositions with coated carrier particles
US5798198A (en) * 1993-04-09 1998-08-25 Powdertech Corporation Non-stoichiometric lithium ferrite carrier
TW251373B (ko) * 1993-05-20 1995-07-11 Fujidenki Kagaku Kk
DE69429240T2 (de) * 1993-08-31 2002-07-18 Fdk K K Herstellungsverfahren für magnetisches oxyd material
US5422216A (en) * 1994-03-01 1995-06-06 Steward Developer composition and method of preparing the same
US6294304B1 (en) 1998-01-23 2001-09-25 Powdertech Corporation Environmentally benign high conductivity ferrite carrier with widely variable magnetic moment
US20030044711A1 (en) * 2001-08-24 2003-03-06 Powdertech International Corp. Irregular shaped ferrite carrier for conductive magnetic brush development
EP3263544B1 (en) 2015-02-27 2020-04-01 Daikin Industries, Ltd. Method for producing 1-chloro-2,3,3-trifluoropropene

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2846333A (en) * 1955-11-01 1958-08-05 Haloid Xerox Inc Method of developing electrostatic images
US3054751A (en) * 1958-12-30 1962-09-18 Ibm Magnetic lithographic inks
US3565805A (en) * 1963-08-30 1971-02-23 Addressograph Multigraph Electrostatic developer mix
US3600216A (en) * 1968-09-06 1971-08-17 Union Carbide Corp Process for adhering poly-p-xylylene to substrates using silane primers and articles obtained thereby
US3767578A (en) * 1971-06-10 1973-10-23 Xerox Corp Carrier material for electrostatographic developer

Also Published As

Publication number Publication date
DE2436725B2 (de) 1979-07-05
JPS5652305B2 (ko) 1981-12-11
DE2436725A1 (de) 1975-03-13
NL179516B (nl) 1986-04-16
GB1468841A (en) 1977-03-30
BR7406292D0 (pt) 1975-07-08
BE819535A (fr) 1974-12-31
NL7411826A (ko) 1974-11-25
CA1033978A (en) 1978-07-04
US3929657A (en) 1975-12-30
NL179516C (nl) 1986-09-16
DE2436725C3 (de) 1980-03-13
FR2267577A1 (ko) 1975-11-07
JPS5056946A (ko) 1975-05-19

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Legal Events

Date Code Title Description
ST Notification of lapse