Compositions: ceramic – Ceramic compositions – Titanate – zirconate – stannate – niobate – or tantalate or...
Patent
1999-02-11
2000-07-25
Brunsman, David
Compositions: ceramic
Ceramic compositions
Titanate, zirconate, stannate, niobate, or tantalate or...
252 629R, 264614, 264646, 264655, 264658, C04B 35499, C04B 35472, B28B 100
Patent
active
060936673
ABSTRACT:
The present invention provides novel ceramic materials with excellent electrostrictive property, and the present invention relates to electrostrictive ceramics consisting of solid solution ceramics which can be obtained by combining about 30 molar % of primitive perovskite-type compound PbTiO.sub.3 with a composite perovskite compound Pb(Ni.sub.1/3 Nb.sub.2/3)O.sub.3.
REFERENCES:
patent: 5786048 (1998-07-01), Gesemann et al.
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L.E. Cross, et al. "Large Electrostrictive Effects in Relaxor Ferroelectrics", Ferroelectrics, vol. 23 (1980), no month provided, pp. 187-191.
J.H. Park, et al. "Electric-Field Induced Strains and Pyroelectric Coefficients in Lead Magnesium Niobate-Lead Titanate Solid Solutions", Materials Research Bulletin vol. 30, No. 4, (1995), no month provided, pp. 435-441.
J. Zhao, et al. "Electromechanical Properties of Relaxor Ferroelectric Lead Magnesium Niobate-Lead Titanate Ceramics", Jpn. J. Appl. Phys., vol. 34, (1995), no month provided, pp. 5658-5663.
Seiji Takahashi, et al. "Preparation of Pb(Ni.sub.2/3 Nb.sub.1/3 )O.sub.3 Thin Film by Sol-Gel Method", Journal of the Ceramic Society of Japan, vol. 103 [7], (1995), no month provided, pp. 660-663 ( with English Abstract).
Hisao Banno, et al. "Phase Diagram and Piezoelectric Properties of Pb (Nb.sub.2/3 Ni.sub.1/3)O.sub.3 PbTiO.sub.3 -PbZrO.sub.3 and an Application to Ceramic Wave Filter", Proceedings of the 1.sup.st Meeting on Ferroelectric Materials and their applications, (1984), no month provided, pp. 339-344.
Kusumoto Keiji
Sekiya Tadashi
Agency of Industrial Science and Technology
Brunsman David
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