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Title:
COMPLEX FERROELECTRIC CERAMIC AND ITS MANUFACTURE
Document Type and Number:
Japanese Patent JP3236641
Kind Code:
B2
Abstract:

PURPOSE: To provid a ferroelectric ceramic which can be manufactured at a low temperature, and its manufacturing method.
CONSTITUTION: A tentatively baked powder of the composition ratio Pb(Zn1/3 Nb2/3)0.09 (Sn1/3Nb2/3)0.09Ti0.42Zr0.40+0.5wt.%MnO2 as the ferroelectric ceramic powder, and a glass powder of PbO.B2O3 system are mixed and powdered by a catalyst agitator mill to the mean particle diameter of about 0.2μm, and then, pressure-moulded and baked. And a complex ferroelectric ceramic in which the glass 3 is made into a matrix, and the ferroelectric powder 2 is dispersed by scattering at random in the matrix glass 3, has been manufactured.


Inventors:
Masamitsu Nishida
Kouichi Kugimiya
Application Number:
JP27741391A
Publication Date:
December 10, 2001
Filing Date:
October 24, 1991
Export Citation:
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Assignee:
Matsushita Electric Industrial Co., Ltd
International Classes:
C03C8/24; C03C14/00; C04B35/49; C04B35/493; H01B3/00; H01B3/02; H01B3/12; H01L41/39; (IPC1-7): H01B3/02; C03C8/24; C03C14/00; H01B3/00; H01L41/24
Domestic Patent References:
JP1100052A
JP54118564A
JP58194758A
JP3184207A
JP544077B1
Attorney, Agent or Firm:
Hiroyuki Ikeuchi (1 person outside)