摘要:
There is provided a resonator having a piezoelectric ceramic resonator which has excellent free-fall resistance. The resonator comprises a piezoelectric ceramic resonator 2 with a vibrating electrode formed, and a substrate 3 which supports the piezoelectric ceramic resonator 2, wherein the piezoelectric ceramic resonator 2 satisfies the condition of U≧0.88×H+20.28, wherein U=maximum elastic energy (kJ/m3) per unit volume, and H=drop height (m) (H>1). The present invention can be applied to a resonator 1, wherein the substrate 3 has terminal electrodes 31, 32, and the piezoelectric ceramic resonator 2 is in electrical continuity with the vibrating electrode and is supported on the substrate 3 at both ends via a conductive stator 4.
摘要:
There is provided a resonator having a piezoelectric ceramic resonator which has excellent free-fall resistance. The resonator comprises a piezoelectric ceramic resonator 2 with a vibrating electrode formed, and a substrate 3 which supports the piezoelectric ceramic resonator 2, wherein the piezoelectric ceramic resonator 2 satisfies the condition of U≧0.88×H+20.28, wherein U=maximum elastic energy (kJ/m3) per unit volume, and H=drop height (m) (H>1). The present invention can be applied to a resonator 1, wherein the substrate 3 has terminal electrodes 31, 32, and the piezoelectric ceramic resonator 2 is in electrical continuity with the vibrating electrode and is supported on the substrate 3 at both ends via a conductive stator 4.
摘要翻译:提供了具有优异的自由落体电阻的压电陶瓷谐振器的谐振器。 谐振器包括:形成有振动电极的压电陶瓷谐振器2和支撑压电陶瓷谐振器2的基板3,其中压电陶瓷谐振器2满足U> = 0.88×H + 20.28的条件,其中U =最大弹性能 (kJ / m 3)/ H =滴高(m)(H> 1)。 本发明可以应用于谐振器1,其中基片3具有端子电极31,32,并且压电陶瓷谐振器2与振动电极电连通,并且通过导电定子在两端支撑在基板3上 4。
摘要:
To obtain a piezoelectric ceramic composition having extremely high heat resisting property. Provided is a piezoelectric ceramic composition comprising a main component represented by Pba[(MnbNbc)dTieZrf]O3 (wherein 0.98≦a≦1.01, 0.340≦b≦0.384, 0.616≦c≦0.660, 0.08≦d≦0.12, 0.500≦e≦0.540, 0.37≦f≦0.41, bd+cd+e+f=1), and 1 to 10% by weight of Al in terms of Al2O3 as an additive. Preferably, b is such that 0.345≦b≦0.375 and c is such that 0.625≦c≦0.655, and the Al as the additive is preferably 2 to 6% by weight in terms of Al2O3.
摘要翻译:得到具有极高耐热性的压电陶瓷组合物。 本发明提供一种压电陶瓷组合物,其包含以下组分表示的主要成分:[(N,B)Nb C' (其中0.98 <= a <= 1.01,0.340 <= b <= 0.384,0.616 <= c 根据这个术语,<= 0.660,0.08 <= d <= 0.12,0.500 <= e <= 0.540,0.37 <= f <= 0.41,bd + cd + e + f = 1)和1〜10重量% 的Al 2 O 3 3作为添加剂。 优选地,b为0.345≤b≤0.375,c为0.625 <= c <= 0.655,作为添加剂的Al优选为2〜6重量% 3&gt; 3&lt; 3&gt ;.
摘要:
A piezoelectric ceramic composition excellent in heat resisting properties is provided. In the piezoelectric ceramic composition including a perovskite compound containing Pb, Zr and Ti as main components, the piezoelectric ceramic composition is made to include Cr as an additive from 0.025 to 0.250 wt % in terms of Cr2O3. In the piezoelectric ceramic composition of the present invention, Δk15 (here, Δk15 is the rate of change in electromechanical coupling factor k15, caused by external thermal shock), of the piezoelectric ceramic composition can be controlled to 3.0% or less in absolute value.
摘要翻译:提供耐热性优异的压电陶瓷组合物。 在包含以Pb,Zr和Ti为主要成分的钙钛矿化合物的压电陶瓷组合物中,压电陶瓷组合物包含Cr作为添加剂,以Cr 2 O 2计为0.025〜0.250重量% 3 SUB>。 在本发明的压电陶瓷组合物中,可以将压电陶瓷组合物的Deltak15(这里,Deltak15是由外部热冲击引起的机电耦合系数k15的变化率)控制在3.0%以下。
摘要:
There are provided steps of polarizing a ceramic composition including a perovskite compound containing Pb, Zr, Ti and Mn as main components and a heat treatment step for keeping the polarized ceramic composition within a temperature range lower than Tc (Tc denoting the Curie temperature of the ceramic composition) for 1 to 100 minutes.
摘要:
A piezoelectric ceramic composition is provided which contains Perovskite oxides expressed by General Formula 1 below and an aluminum compound, and in which the content ratio of the aluminum compound to the Perovskite oxides is from 1% by mass to 11% by mass, (Pbα-β-γ-δM1βM2γBiδ)[Ti{1-(x+y+z)}ZrxMnyNbz]O3 (1) wherein in the General Formula (1), M1 represents at least one kind of element selected from the group consisting of La, Ce, Pr, and Nd, M2 represents at least one kind of element selected from the group consisting of Sr, Ca, and Ba, and α, β, γ, δ, x, y, and z satisfy the following numerical conditions: 0.96≦α≦1.01 0.03≦β≦0.07 0≦γ≦0.10 0≦δ≦0.02 0≦x≦0.24 0.02≦y≦0.04 0.03≦z≦0.08
摘要:
Provided is a piezoelectric ceramic composition which enables the attainment of sufficiently high Qmax and good temperature characteristics of oscillation frequency F0 when applied in an oscillator utilizing third harmonic mode of thickness longitudinal vibration. The piezoelectric ceramic composition contains a composite oxide having a perovskite structure. The composite oxide has a composition expressed by the chemical formula (1), while satisfying 0.91≦α≦1.00, 0
摘要:
There are provided steps of polarizing a ceramic composition including a perovskite compound containing Pb, Zr, Ti and Mn as main components and a heat treatment step for keeping the polarized ceramic composition within a temperature range lower than Tc (Tc denoting the Curie temperature of the ceramic composition) for 1 to 100 minutes.
摘要:
A piezoelectric ceramic composition excellent in all of the electric property Qmax, heat resisting properties and temperature characteristics of oscillation frequencies is provided. The piezoelectric ceramic composition comprises a phase mainly comprising lead zirconate titanate having a perovskite structure and an Al-containing phase. In the piezoelectric ceramic composition, the main component preferably comprises Mn and Nb, and is preferably represented by a composition formula of Pbα[(Mn1/3Nb2/3)xTiyZrz]O3 (wherein 0.97≦α≦1.01, 0.04≦x≦0.16, 0.48≦y≦0.58, 0.32≦z≦0.41).
摘要翻译:提供了所有电性质Qmax,耐热性和振荡频率的温度特性优异的压电陶瓷组合物。 压电陶瓷组合物包括主要包含具有钙钛矿结构的锆钛酸铅和含Al相的相。 在压电陶瓷组合物中,主要成分优选包括Mn和Nb,并且优选地由以下组成式表示:Pb(α3/3)Nb (其中0.97 <=α3)其中,0.97 <=α3 u> <= 1.01,0.04 <= x <= 0.16,0.48 <= y <= 0.58,0.32 <= z <= 0.41)。
摘要:
The present invention has an object to provide piezoelectric ceramics containing no lead, having a high Curie point, and further, having excellent piezoelectric properties, particularly large Qmax. The piezoelectric ceramics contain, as a main component, a bismuth layer-structured compound having (MII1-xLnx)Bi4Ti4O15 crystals (MII is an element selected from Sr, Ba, and Ca, Ln is an element selected from lanthanoids, and x is within a range of 0
摘要翻译:本发明的目的是提供一种不具有高居里点的不含铅的压电陶瓷,并且还具有优异的压电性能,特别大的Qmax。 作为主要成分的压电陶瓷含有具有(M 1,X 2)1-x L n x L z)Bi Bi的铋层结构化合物 > 4 sub> 5 sub> 15 sub> 15 sub> 15 sup>是从Sr,Ba和Ca中选出的一种元素,Ln是 元素,其选自镧系元素,x在0