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In the piezoelectric porcelain constituent which designates the bismuth stratified chemical compound which
In the piezoelectric porcelain constituent which designates the bismuth stratified chemical compound which
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机译：在指定铋分层化合物的压电瓷成分中，
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摘要
PROBLEM TO BE SOLVED: To provide a piezoelectric ceramic composition essentially consisting of a bismuth laminar compound consisting of Sr, Bi, Nb and oxygen, and trivalent metallic elements other than Bi, and in which the rate of change in temperature of oscillation frequency, FOSC TC in the temperature range of 0 to 80°C is ≤10 ppm/°C, and which is useful as the material for a piezoelectric ceramic element such as a piezoelectric ceramic oscillator.;SOLUTION: In the piezoelectric composition essentially consisting of a bismuth laminar compound consisting of of Sr, Bi, Nb and oxygen, and trivalent metallic elements other than Bi, provided that the molar ratios among Sr, Bi, Nb and trivalent metallic elements other than Bi in the bismuth laminar compound as the essential components are defined as a:b:c:x, the relations of 0.275a/c0.5, 1b/c, (2a+3b)/c4 and 0.075≤x/c≤0.15 are satisfied.;COPYRIGHT: (C)2004,JPO
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机译：解决的问题：提供一种压电陶瓷组合物，该组合物基本上由由Sr，Bi，Nb和氧组成的铋层状化合物以及除Bi外的三价金属元素组成，并且其中振荡频率的温度变化率F在0到80°C的温度范围内的 OSC TC为±10 ppm /°C，可用作压电陶瓷元件（如压电陶瓷振荡器）的材料。 ：在基本上由由Sr，Bi，Nb和氧组成的铋层状化合物和Bi以外的三价金属元素组成的压电组合物中，只要Sr，Bi，Nb和Bi中的三价金属元素之间的摩尔比为将铋层状化合物作为基本成分定义为a：b：c：x，关系为0.275 / c <0.5、1 展开▼
