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US5595850A Ferrite carrier for electrophotographic developer and developer containing the carrier 失效
含有载体的电子照相显影剂和显影剂的铁氧体载体

Ferrite carrier for electrophotographic developer and developer
containing the carrier
摘要:
A ferrite carrier for electrophotographic developers which comprises a Mn-Mg ferrite having the general formula(MnO).sub.x (MgO).sub.y (Fe.sub.2 O.sub.3).sub.zwherein x+y+z=100 mol % and SrO is substituted for a part of MnO, MgO and/or Fe.sub.2 O.sub.3.
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