×

MAGNETIC CARRIER AND TWO-COMPONENT DEVELOPER

  • US 20140134535A1
  • Filed: 01/17/2014
  • Published: 05/15/2014
  • Est. Priority Date: 08/08/2012
  • Status: Abandoned Application
First Claim
Patent Images

1. A magnetic carrier comprising:

  • a magnetic substance-dispersed resin carrier core, which contains a magnetic substance and a binder resin, anda coating resin on a surface thereof,wherein;

    the magnetic substance comprisesa magnetic substance A having a shape without vertexes anda magnetic substance B having a shape with vertexes,the magnetic substance B has a number average particle diameter of 0.40 μ

    m or more and 2.00 μ

    m or less, andin a reflection electron image of a section of the magnetic substance-dispersed resin carrier core taken by a scanning electron microscope,an area proportion of the magnetic substance B is larger than an area proportion of the magnetic substance A within a region from the surface of the magnetic substance-dispersed resin carrier core to a depth of 1.0 μ

    m.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×