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Title:
CARRIER CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER, METHOD OF MANUFACTURING THE SAME, CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPER, AND ELECTROPHOTOGRAPHIC DEVELOPER
Document Type and Number:
Japanese Patent JP2011053491
Kind Code:
A
Abstract:

To provide a carrier core material which has a high breakdown voltage and keeps an appropriate electric resistance value up to the breakdown voltage and has a high susceptibility, to provide a method of manufacturing the same and a carrier using the carrier core material, and to provide an electrophotographic developer.

The carrier core material includes a magnetite containing 10 to 400 ppm of Li. The method of manufacturing the same, the carrier using the carrier core material, and the electrophotographic developer are also provided.


Inventors:
KAWACHI TAKASHI
KITAMURA TOSHIYA
Application Number:
JP2009203061A
Publication Date:
March 17, 2011
Filing Date:
September 02, 2009
Export Citation:
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Assignee:
DOWA ELECTRONICS MATERIALS CO
DOWA IP CREATION CO LTD
International Classes:
G03G9/107; G03G9/10; G03G9/113
Domestic Patent References:
JP2008175883A2008-07-31
JP2008310104A2008-12-25
JP2005134708A2005-05-26
JP2009244571A2009-10-22
JP3238006B22001-12-10
Attorney, Agent or Firm:
Aniya Setsuo
Hitoshi Kiyono
Okuyama Tomohiro



 
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