Soft Ferrite

Soft Ferrite

  • CN 101,786,871 A
  • Filed: 01/26/2010
  • Published: 07/28/2010
  • Est. Priority Date: 01/26/2010
  • Status: Active Application
First Claim
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1. low-power dissipation soft magnetic ferrite powder, it is characterized in that:

  • this ferrite powder comprises principal constituent and minor component, the proportioning of each principal constituent and standard substance meter thereof is respectively;

    ferric oxide Fe 2O 3;

    52.5~

    54mol%, manganese oxide MnO;

    39~

    41mol%, zinc oxide ZnO;

    5~

    7mol%;

    Described relatively principal constituent total amount, the weight percent wt% of each minor component and standard substance meter thereof is respectively;

    CaCO 3;

    0.1~

    0.35, NiO;

    0.1~

    0.5, TiO 2;

    0.1~

    0.4, MoO 3;

    0.0005~

    0.05;

    Described ferrite powder is to be made through mixing, grinding by described principal constituent and minor component, and the air permeability method median size of described ferrite powder is 0.9 ±

    0.2 μ

    m.

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