Patent ID: 6534232
Filing Date: 2003-03-18
Classification: G03G,Y10S

Abstract:
A carrier for use in electrophotography comprising carrier particles, each carrier particle comprising a core material and a coating material comprising a polysiloxane resin, which is coated on the surface of said core material, said polysiloxane resin comprising at least an oxygen atom (O) and a silicon atom as constituent elements therefor, with an atomic ratio of said constituent elements, O/Si, being in a range of 2.1 to 4.0, said carrier having a specific resistivity of 109 to 1016 &OHgr;Â·cm, wherein said polysiloxane resin further comprises a nitrogen atom (N), with an atomic ratio of said nitrogen atom to said silicon atom, N/Si, being in a range of 0.1 to 4.0.