Patent ID: 8916325

Claim:
A carrier for developing electrostatic latent image, comprising: a particulate magnetic core material; and a coated layer covering the surface of the particulate magnetic core material, wherein the coated layer comprises a resin comprising a silicone resin and a methacrylic ester or an acrylic ester resin, and a filler comprising: a substrate selected from the group consisting of aluminum oxide, titanium dioxide, zinc oxide, silicon dioxide, barium sulfate and zirconium oxide; and an electroconductive layer comprising tin dioxide (SnO 2 ), overlying the substrate, and wherein the carrier comprises tin (Sn) in an amount not less than 0.5% by atom and has a ratio (Sn/Si) of tin (Sn) to silicon (Si) of from 0.03 to 0.2 when subjected to an XPS analysis.