Ferrite substrate for thin-film inductors, thin-film common mode filter using the substrate, thin-film common mode filter array using the substrate and manufacturing method of the substrate

Ferrite substrate for thin-film inductors, thin-film common mode filter using the substrate, thin-film common mode filter array using the substrate and manufacturing method of the substrate

  • CN 1,574,124 A
  • Filed: 06/09/2004
  • Published: 02/02/2005
  • Est. Priority Date: 06/09/2003
  • Status: Active Application
First Claim
Patent Images

1. ferrite matrix that is used for film inductor, comprising ferritic composition is:

  • di-iron trioxide;

    40-55 mole %, nickel oxide;

    5-35 mole %, zinc oxide;

    10-40 mole %, bismuth oxide;

    150-750ppm, and have the crystal structure of the densification that forms by high temperature insostatic pressing (HIP).

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