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Title:
DTA MEASURING METHOD FOR TRACE ADMIXTURE FOR MN-ZN FERRITE
Document Type and Number:
Japanese Patent JP2754169
Kind Code:
B2
Abstract:

PURPOSE: To provide a method for measuring DTA of trace admixture for Mn-Zn ferrite which can accurately and effectively measure melting starting temperature, etc., of the admixture necessary to manufacture a ferrite of vitre ous phase, etc.
CONSTITUTION: Baked ferrite is manufactured by using main ingredients Fe2O3, MoO, ZnO and necessary trace admixture made of normal composition (ST11), Cab, SiO2 of trace admixtures if are wet-mixed together with a reagent with comminuted article obtained by comminuting the baked ferrite, and dried (ST12, ST13). Then, the powder obtained by mixing is press-molded (ST14), and the molded form is baked at a predetermined temperature (melting temperature or lower) to obtain an article (ST15), the article (ST15) is used as a sample, and evaluated by DTA (ST16).


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Inventors:
TOMOSAWA TOSHIAKI
MOCHIZUKI TAKESHI
ISHIKURA MAKOTO
Application Number:
JP21941094A
Publication Date:
May 20, 1998
Filing Date:
August 22, 1994
Export Citation:
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Assignee:
FUJI DENKI KAGAKU KK
International Classes:
G01N25/04; G01N25/20; (IPC1-7): G01N25/20; G01N25/04
Attorney, Agent or Firm:
Shinichi Matsui



 
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