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A platform for research: civil engineering, architecture and urbanism
CERAMIC COMPOSITION, PIEZOELECTRIC ELEMENT, VIBRATOR, AND METHOD FOR MANUFACTURING PIEZOELECTRIC ELEMENT
PROBLEM TO BE SOLVED: To provide a piezoelectric element which satisfies evaluation items in a wide range including evaluation items (dielectric loss tangent, electromechanical coupling coefficients kr and kt, Curie point Tc, and the like) according to characteristics of a drive state at high level, and achieves excellent strength.SOLUTION: A piezoelectric ceramic composition is represented by general formula (1): (PbSr)(ZrTiFeSiAl)O, and contains a compound satisfying relationships of 0.910≤m≤0.960, 0.030≤n≤0.100, 0.970≤m+n≤1.060, 0.453≤w≤0.497, 0.006≤x≤0.017, 0
【課題】圧電素子において、駆動状態の特性に係る評価項目（誘電正接、電気機械結合係数ｋｒおよびｋｔ、キュリー点Ｔｃ等）を含む広い範囲の評価項目において高いレベルを満たし、優れた強度を実現する。【解決手段】圧電磁器組成物は、一般式（１）（ＰｂｍＳｒｎ）（Ｚｒ１−ｗ−ｘ−ｙ−ｚＴｉｗＦｅｘＳｉｙＡｌｚ）Ｏ３…（１）で表わされ、０．９１０≦ｍ≦０．９６０、０．０３０≦ｎ≦０．１００、０．９７０≦ｍ＋ｎ≦１．０６０、０．４５３≦ｗ≦０．４９７、０．００６≦ｘ≦０．０１７、０＜ｙ≦０．００２、０＜ｚ≦０．００４を満たす化合物を主成分とする。【選択図】図４
CERAMIC COMPOSITION, PIEZOELECTRIC ELEMENT, VIBRATOR, AND METHOD FOR MANUFACTURING PIEZOELECTRIC ELEMENT
PROBLEM TO BE SOLVED: To provide a piezoelectric element which satisfies evaluation items in a wide range including evaluation items (dielectric loss tangent, electromechanical coupling coefficients kr and kt, Curie point Tc, and the like) according to characteristics of a drive state at high level, and achieves excellent strength.SOLUTION: A piezoelectric ceramic composition is represented by general formula (1): (PbSr)(ZrTiFeSiAl)O, and contains a compound satisfying relationships of 0.910≤m≤0.960, 0.030≤n≤0.100, 0.970≤m+n≤1.060, 0.453≤w≤0.497, 0.006≤x≤0.017, 0
【課題】圧電素子において、駆動状態の特性に係る評価項目（誘電正接、電気機械結合係数ｋｒおよびｋｔ、キュリー点Ｔｃ等）を含む広い範囲の評価項目において高いレベルを満たし、優れた強度を実現する。【解決手段】圧電磁器組成物は、一般式（１）（ＰｂｍＳｒｎ）（Ｚｒ１−ｗ−ｘ−ｙ−ｚＴｉｗＦｅｘＳｉｙＡｌｚ）Ｏ３…（１）で表わされ、０．９１０≦ｍ≦０．９６０、０．０３０≦ｎ≦０．１００、０．９７０≦ｍ＋ｎ≦１．０６０、０．４５３≦ｗ≦０．４９７、０．００６≦ｘ≦０．０１７、０＜ｙ≦０．００２、０＜ｚ≦０．００４を満たす化合物を主成分とする。【選択図】図４
CERAMIC COMPOSITION, PIEZOELECTRIC ELEMENT, VIBRATOR, AND METHOD FOR MANUFACTURING PIEZOELECTRIC ELEMENT
磁器組成物、圧電素子、振動子、および、圧電素子の製造方法
YAMAZAKI MASATO (author) / KITAMURA KAZUAKI (author) / HAMAGUCHI YUKIHIRO (author) / OBAYASHI KAZUE (author)
2017-09-14
Patent
Electronic Resource
Japanese
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