Piezoelectric ceramic composition

Details Piezoelectric ceramic composition Piezoelectric ceramic composition

1998-03-18

1999-12-21

Koslow, C. Melissa

Compositions

Piezoelectric

501134, C04B 35453

Patent

active

060044748

ABSTRACT:
One object of the present invention is to provide a lead-free piezoelectric material excellent in piezoelectric characteristics and superior from the viewpoints of prevention of environmental pollution, protection of environments and ecology. To achieve the object, a piezoelectric ceramic composition is constructed from a piezoelectric ceramic composition within a region in case of being represented by the formula:

REFERENCES:
patent: 5637542 (1997-06-01), Takenaka
Nagata et al, "Lead-Free Piezoelectric Ceramics of (Bi1/2Na1/2)TiO3-1/2(Bi2O3-Sc2O3) System", Jpn. J. Appl. Phys., vol. 36 (9B), 6055-57, Sep. 1997.
Chemical Abstract Citation 129:61211: :Nagata et al, "(Bi1/2Na1/2)TiO3-Based Non-Lead Piezoelectric Ceramics", J. Korean Phys. Soc. vol. 32, 1998 no month.
Tadashi Takenaka, et al., Japanese Journal of Applied Physics, vol. 30, No. 9B, pp. 2236 to 2239, "(Bi.sub.1/2 Na.sub.1/2)TiO.sub.3 -BaTiO.sub.3 System For Lead-Free Piezoelectric Ceramics", Sep. 1991.
Tadashi Takenaka, et al., Silicates Industriels, pp. 136 to 142, "Mechanical Properties of (Bi.sub.1/2 Na.sub.1/2)TiO.sub.3 -Based Piezoelectric Ceramics", 1993/Jul.-Aug.

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