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Mg-based ferrite, an electrophotographic development carrier containing the ferrite, and developer containing the carrier
Mg-based ferrite, an electrophotographic development carrier containing the ferrite, and developer containing the carrier
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机译:镁基铁氧体,含有该铁氧体的电子照相显影载体以及含有该载体的显影剂
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摘要
This invention provides an Mg-based ferrite having a high dielectric breakdown voltage and a saturation magnetization suitable for electrophotographic development, a carrier containing the ferrite, and an electrophotographic developer containing the carrier. The Mg-based ferrite material of this invention comprises Li, Na, K, Rb, Cs, Ca, Sr, Ba, Y, La, Ti, Zr, Hf, V, Nb, Ta, Al, Ga, Si, Ge, P, Sb, Bi or a combination thereof. The Mg-based ferrite material has a saturation magnetization of 30 to 80 emu/g, and a dielectric breakdown voltage of 1.5 to 5.0 kV. The Mg-based ferrite material can realize high image quality, and be in compliance with environmental regulations.
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