EP0674238A3 - Carrier for electrophotography having a double metaloxide coating. - Google Patents

Carrier for electrophotography having a double metaloxide coating. Download PDF

Info

Publication number
EP0674238A3
EP0674238A3 EP95103638A EP95103638A EP0674238A3 EP 0674238 A3 EP0674238 A3 EP 0674238A3 EP 95103638 A EP95103638 A EP 95103638A EP 95103638 A EP95103638 A EP 95103638A EP 0674238 A3 EP0674238 A3 EP 0674238A3
Authority
EP
European Patent Office
Prior art keywords
metaloxide
electrophotography
coating
carrier
double
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Withdrawn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
EP95103638A
Other languages
German (de)
French (fr)
Other versions
EP0674238A2 (en
Inventor
Joerg Dr Adel
Rainer Dr Dyllick-Brenzinger
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Publication of EP0674238A2 publication Critical patent/EP0674238A2/en
Publication of EP0674238A3 publication Critical patent/EP0674238A3/en
Withdrawn legal-status Critical Current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
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G03G9/113—Developers with toner particles characterised by carrier particles having coatings applied thereto
    • G03G9/1139—Inorganic components of coatings
    • 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
EP95103638A 1994-03-23 1995-03-14 Carrier for electrophotography having a double metaloxide coating. Withdrawn EP0674238A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4409966A DE4409966A1 (en) 1994-03-23 1994-03-23 Carrier coated twice with metal oxide for electrophotography
DE4409966 1994-03-23

Publications (2)

Publication Number Publication Date
EP0674238A2 EP0674238A2 (en) 1995-09-27
EP0674238A3 true EP0674238A3 (en) 1996-07-17

Family

ID=6513583

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95103638A Withdrawn EP0674238A3 (en) 1994-03-23 1995-03-14 Carrier for electrophotography having a double metaloxide coating.

Country Status (6)

Country Link
US (1) US5534378A (en)
EP (1) EP0674238A3 (en)
JP (1) JPH07271105A (en)
BR (1) BR9501138A (en)
CA (1) CA2144894A1 (en)
DE (1) DE4409966A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5795692A (en) * 1997-03-31 1998-08-18 Xerox Corporation Carrier composition and processes thereof
US6723481B2 (en) 2000-05-17 2004-04-20 Heidelberger Druckmaschinen Ag Method for using hard magnetic carriers in an electrographic process
US6228549B1 (en) * 2000-05-17 2001-05-08 Heidelberg Digital L.L.C. Magnetic carrier particles
WO2003027771A1 (en) * 2001-09-28 2003-04-03 Höganäs Ab Electrophotographic carrier core magnetite powder
US20040211531A1 (en) * 2003-04-28 2004-10-28 Dybdahl Shawn D. Thermal solar screen and method of assembly thereof
JP5307407B2 (en) * 2008-01-11 2013-10-02 オリンパス株式会社 Endoscope apparatus and program
JP5263654B2 (en) * 2008-03-21 2013-08-14 日立金属株式会社 Method for forming silica coating of soft magnetic powder for dust core and method for producing dust core

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2001447A (en) * 1977-07-05 1979-01-31 Konishiroku Photo Ind Developing material for electrophotography process for preparation thereof and image-forming method
JPS60227266A (en) * 1984-04-25 1985-11-12 Fuji Elelctrochem Co Ltd Ferrite carrier material for electrostatic copying
US4675089A (en) * 1985-11-25 1987-06-23 At&T Technologies, Inc. Low temperature deposition method for high quality aluminum oxide films
JPS63271473A (en) * 1987-04-30 1988-11-09 Konica Corp Developer for negative charge latent image
EP0303918A2 (en) * 1987-08-17 1989-02-22 BASF Aktiengesellschaft Carrier for copying systems and manufacturing process thereof
WO1993012470A1 (en) * 1991-12-12 1993-06-24 Basf Aktiengesellschaft Particles suitable for use as carrier particles in electrophotography

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61188548A (en) * 1985-02-16 1986-08-22 Konishiroku Photo Ind Co Ltd Electrostatic charge image developing carrier
CA1330869C (en) * 1986-09-03 1994-07-26 Kouichi Nagata Magnetic carrier used for developer
JPH0283A (en) * 1987-10-29 1990-01-05 Kawasaki Steel Corp Carrier for dry two-component developer
DE3831091A1 (en) * 1988-09-13 1990-03-29 Basf Ag OXIDE COATED CARRIER, A METHOD FOR PRODUCING THIS CARRIER AND THEIR USE
DE69129529T2 (en) * 1990-12-28 1998-11-26 Kyocera Corp Electrophotographic electroconductive magnetic carrier particles, developers with such particles and imaging processes
US5478687A (en) * 1993-03-08 1995-12-26 Konica Corporation Carrier for negatively chargeable developer

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2001447A (en) * 1977-07-05 1979-01-31 Konishiroku Photo Ind Developing material for electrophotography process for preparation thereof and image-forming method
JPS60227266A (en) * 1984-04-25 1985-11-12 Fuji Elelctrochem Co Ltd Ferrite carrier material for electrostatic copying
US4675089A (en) * 1985-11-25 1987-06-23 At&T Technologies, Inc. Low temperature deposition method for high quality aluminum oxide films
JPS63271473A (en) * 1987-04-30 1988-11-09 Konica Corp Developer for negative charge latent image
EP0303918A2 (en) * 1987-08-17 1989-02-22 BASF Aktiengesellschaft Carrier for copying systems and manufacturing process thereof
WO1993012470A1 (en) * 1991-12-12 1993-06-24 Basf Aktiengesellschaft Particles suitable for use as carrier particles in electrophotography

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section Ch Week 8551, Derwent World Patents Index; Class G06, AN 1985-321777 *
K.P.PANDE: "Plasma enhanced metal-organic chemical vapor deposition of aluminumoxide dielectric film for device applications", JOURNAL 0F APPLIED PHYSICS, vol. 54, no. 9, 1 September 1983 (1983-09-01) - 30 September 1983 (1983-09-30), NEW YORK US, pages 5436 - 5440, XP000820277, DOI: doi:10.1063/1.332725 *
PATENT ABSTRACTS OF JAPAN vol. 013, no. 089 (P - 836) 2 March 1989 (1989-03-02) *

Also Published As

Publication number Publication date
EP0674238A2 (en) 1995-09-27
US5534378A (en) 1996-07-09
BR9501138A (en) 1996-06-04
JPH07271105A (en) 1995-10-20
DE4409966A1 (en) 1995-09-28
CA2144894A1 (en) 1995-09-24

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