Title:
SINTERED FERRITE AND ITS PRODUCTION
Document Type and Number:
Japanese Patent JPH04260658
Kind Code:
A
Abstract:
PURPOSE: To improve the magnetic characteristics of a sintered ferrite by incorporating a zirconium compound into a sintered ferrite and to provide a process for producing the above sintered ferrite.
CONSTITUTION: The subject ferrite contains 0.01-0.1wt.% of a zirconium compound (in terms of zirconia). The sintered ferrite can be produced by compounding ferrite-constituting raw material powder with 0.02-0.5wt.% (based on the raw material powder) of an organo zirconium compound having ≥1 zirconium atom and ≥1 alkoxy group in one molecule to coat the surface of the raw material powder with the zirconium compound and forming and sintering the powder.
Inventors:
YAMADA MORIKAZU
TSUCHIYA WATARU
TSUCHIYA WATARU
Application Number:
JP4217791A
Publication Date:
September 16, 1992
Filing Date:
February 15, 1991
Export Citation:
Assignee:
TOKIN CORP
International Classes:
C01G49/00; C04B35/26; C04B35/622; (IPC1-7): C01G49/00; C04B35/26
Attorney, Agent or Firm:
Yosuke Goto (2 outside)