Patent ID: 7244539

Claim:
A magnetic carrier comprising carrier particles, wherein each carrier particle comprises a carrier core and a coating material for coating the carrier core, the carrier core comprises a binder resin and magnetic particles dispersed in the binder resin, the coating material comprises at least 100 parts by weight of a fluorine resin and 1 to 40 parts by weight of fine particles, said fluorine resin being a graft copolymer constituted of a unit represented by the formula (A) wherein a, b, c, and d each independently represent an integer of 1 or more: and m and n each independently represent an integer of 1 to 10, the carrier comprises at least 100 parts by weight of the carrier core and 0.3 to 4.0 parts by weight of the coating material, and a contact angle of the magnetic carrier is 95 to 125°.