High-frequency high-Q-value chip-type multiplayer ceramic capacitor

High-frequency high-Q-value chip-type multiplayer ceramic capacitor

  • CN 102,394,175 A
  • Filed: 06/30/2011
  • Published: 03/28/2012
  • Est. Priority Date: 06/30/2011
  • Status: Active Application
First Claim
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1. the preparation method of the chip multilayer ceramic capacitor of a high Q value;

  • It comprises porcelain slurry preparation, make the medium diaphragm, alternately electrode and dielectric layer, briquet drying, lamination, cutting, binder removal, sintering, chamfering, end-blocking, burning end operation in the double exposure, and in interior electrode of described alternately double exposure and the dielectric layer operation, inner electrode is a nickel;

    In the described termination procedure;

    The termination electrode material is copper Cu, it is characterized in that;

    in the preparation of porcelain slurry, used porcelain is Mg-Si-O 3System material, K value are 30 ±

    2, the granularity spherical of this system porcelain or like spherical, specific area is 4.5~

    11.0%;

    Said binder removal technology is to use nitrogen binder removal case binder removal 450 ℃

    /17 hours;

    800 ℃



    1030 ℃

    of said sintering temperatures begin to be controlled at 3-5 ℃

    /min to the heating rate of highest temperature section at 800 ℃

    ;

    Said burning end maximum temperature is 750~

    960 ℃

    .

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