Magnetic carrier powder having a wide chargeable range of electric
resistance useful for magnetic brush development
    1.
    发明授权
    Magnetic carrier powder having a wide chargeable range of electric resistance useful for magnetic brush development 失效
    具有可用于磁刷显影的电阻的宽可充电范围的磁性载体粉末

    公开(公告)号:US4485162A

    公开(公告)日:1984-11-27

    申请号:US464929

    申请日:1983-02-08

    IPC分类号: G03G9/107 H01F1/36 G03G9/14

    CPC分类号: G03G9/107 H01F1/36

    摘要: A magnetic carrier powder composed essentially of particles of a ferrite having a composition represented by the formula(MO).sub.100-x (Fe.sub.2 O.sub.3).sub.xwhere M is Mg, Mn, Zn, Ni, a combination of Mg in an atomic ratio of at least 0.05 with at least one metal selected from the group consisting of Zn, Cu, Mn and Co, a combination of Mn in an atomic ratio of at least 0.05 with at least one metal selected from the group consisting of Zn, Cu, Mg and Co, or a combination of Ni in an atomic ratio of at least 0.05 with at least one metal selected from the group consisting of Zn, Mg, Mn, Cu and Co, and x is greater than 53 molar %.

    摘要翻译: 基本上由具有由式(MO)100-x(Fe 2 O 3)x表示的组成的铁氧体的颗粒组成的磁性载体粉末,其中M是Mg,Mn,Zn,Ni,原子比至少为Mg的组合 0.05,选自Zn,Cu,Mn和Co中的至少一种金属,原子比为至少0.05的Mn与选自Zn,Cu,Mg和Co中的至少一种金属的组合 ,或Ni至少为0.05的Ni与选自Zn,Mg,Mn,Cu和Co中的至少一种金属的组合,x大于53摩尔%。