JPS5790641A - Composite magnetic developer - Google Patents

Composite magnetic developer

Info

Publication number
JPS5790641A
JPS5790641A JP55165828A JP16582880A JPS5790641A JP S5790641 A JPS5790641 A JP S5790641A JP 55165828 A JP55165828 A JP 55165828A JP 16582880 A JP16582880 A JP 16582880A JP S5790641 A JPS5790641 A JP S5790641A
Authority
JP
Japan
Prior art keywords
contg
grain sizes
magnetite particles
magnetite
particles
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.)
Granted
Application number
JP55165828A
Other languages
English (en)
Other versions
JPS6350696B2 (ja
Inventor
Nobuhiro Miyagawa
Masanori Fujii
Koji Maekawa
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
Application filed by Mita Industrial Co Ltd filed Critical Mita Industrial Co Ltd
Priority to JP55165828A priority Critical patent/JPS5790641A/ja
Priority to US06/324,652 priority patent/US4414321A/en
Priority to DE8181305605T priority patent/DE3170957D1/de
Priority to EP81305605A priority patent/EP0053492B1/en
Publication of JPS5790641A publication Critical patent/JPS5790641A/ja
Publication of JPS6350696B2 publication Critical patent/JPS6350696B2/ja
Granted 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
    • G03G9/083—Magnetic toner particles

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Developing Agents For Electrophotography (AREA)
JP55165828A 1980-11-27 1980-11-27 Composite magnetic developer Granted JPS5790641A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP55165828A JPS5790641A (en) 1980-11-27 1980-11-27 Composite magnetic developer
US06/324,652 US4414321A (en) 1980-11-27 1981-11-24 Dry composite blended magnetic developer of resin encapsulated fine magnetite and resin encapsulated coarse magnetite
DE8181305605T DE3170957D1 (en) 1980-11-27 1981-11-26 A composite magnetic developer
EP81305605A EP0053492B1 (en) 1980-11-27 1981-11-26 A composite magnetic developer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55165828A JPS5790641A (en) 1980-11-27 1980-11-27 Composite magnetic developer

Publications (2)

Publication Number Publication Date
JPS5790641A true JPS5790641A (en) 1982-06-05
JPS6350696B2 JPS6350696B2 (ja) 1988-10-11

Family

ID=15819768

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55165828A Granted JPS5790641A (en) 1980-11-27 1980-11-27 Composite magnetic developer

Country Status (1)

Country Link
JP (1) JPS5790641A (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0311591U (ja) * 1989-06-16 1991-02-05

Also Published As

Publication number Publication date
JPS6350696B2 (ja) 1988-10-11

Similar Documents

Publication Publication Date Title
JPS56101150A (en) One-component magnetic developer for developing and transferring positive charge image
DE69417678D1 (de) Magnetischer Entwickler, Prozesskassette und Bildherstellungsverfahren
JPS5466134A (en) Magnetic brush development method
JPS5662256A (en) Electrophotographic developer and developing method
JPS535633A (en) Insulating magnetic toner for electrostatic development
JPS55118049A (en) Developing method
JPS5790641A (en) Composite magnetic developer
JPS5532073A (en) Electrophotographic developing method
JPS5616145A (en) Magnetic toner
US4414321A (en) Dry composite blended magnetic developer of resin encapsulated fine magnetite and resin encapsulated coarse magnetite
JPS5745554A (en) Magnetic developer
JPS5790640A (en) Single component magnetic developer
JPS55120057A (en) Developing device
JPS5793351A (en) Composite magnetic developer
JPS55120041A (en) Magnetic developer
EP0070117B1 (en) Magnetic developer
JPS5793350A (en) One-component system magnetic developer
JPS5511298A (en) Developer for electrophotography
JPS54123956A (en) Dry type developer
JPS5375497A (en) Fabrication of magnetic material
JPS5557851A (en) Production of magnetic toner
JPS5629248A (en) Static charge image developing magnetic toner
JPS5745557A (en) Electric charge type magnetic toner
JPS5639577A (en) Multiple-sheet duplicating method
JPS5624380A (en) Plural recording system