Carrier, developer, developer cartridge, process cartridge and image forming apparatus

Carrier, developer, developer cartridge, process cartridge and image forming apparatus

  • CN 101,930,190 A
  • Filed: 11/25/2009
  • Published: 12/29/2010
  • Est. Priority Date: 06/25/2009
  • Status: Active Application
First Claim
Patent Images

1. electrostatic development carrier, described carrier comprise ferrite particle and contain the coating of the resin with naphthenic base, and described ferrite particle comprises its amount to be the strontium of 0.1 weight %~

  • 1.0 weight % and to have 0.13m 2/ g~

    0.23m 2The BET specific surface area of/g.

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