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Title:
DEVELOPER CARRIER AND DEVELOPING DEVICE
Document Type and Number:
Japanese Patent JP2006037093
Kind Code:
A
Abstract:

To provide a developer carrier that prevents excessive charging of a toner which occurs in a developing device while retaining an electric charge amount of the toner sufficiently high and is difficult to cause the toner to be fusion-bonded onto the developer carrier, to provide a developer carrier that inhibits uneven charging of the toner on the surface of the developer carrier which occurs in the case where a toner of a small particle size is used and can give a proper amount of electric charge to the toner and to provide a developing device having the developer carrier.

The developer carrier is provided with a resin layer comprising a polymer having a unit represented by formula (1) formed on a substrate surface of the developing carrier (wherein R denotes a specific group including -SO2-R' group) in a developing device.


Inventors:
FUKUI SHIGE
YANO TETSUYA
KENMOKU TAKASHI
MIHARA CHIEKO
KUSAKARI TSUGIKO
FUJIMOTO NORIKAZU
Application Number:
JP2005185635A
Publication Date:
February 09, 2006
Filing Date:
June 24, 2005
Export Citation:
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Assignee:
CANON KK
International Classes:
C08F20/58; G03G15/08
Domestic Patent References:
JP2002072668A2002-03-12
JP2003005507A2003-01-08
JP2003286322A2003-10-10
JP2002072668A2002-03-12
JP2003005507A2003-01-08
JP2003286322A2003-10-10
Attorney, Agent or Firm:
Akio Miyazaki
Ishibashi Masayuki
Shinichi Iwata
Masaaki Ogata