Provided is a device of a high-frequency resonator using Lamb wave type elastic wave having excellent frequency temperature characteristics, the device having a significantly small frequency change.;The Lamb wave type elastic wave device has an interdigital transducer for generating at least one Lamb wave type elastic wave, or the interdigital transducer and a reflector, arranged on a quartz substrate. The cut angle of the quartz substrate and a propagation direction of the Lamb wave type elastic wave expressed in Euler angles (λ, μ, θ) satisfy any one of following expressions (Expressions 1 to 3).; λ=90°, μ=17° to 21° or μ=159° to 163°, θ=0° to 10° (Expression 1); λ=210°, μ=17° to 21° or μ=159° to 163°, θ=0° to 10° (Expression 2); λ=330°, μ=17° to 21° or μ=159° to 163°, θ=0° to 10° (Expression 3)
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机译：提供了一种使用频率温度特性优异的兰姆波型弹性波的高频谐振器的装置，该装置的频率变化非常小。兰姆波型弹性波装置具有用于产生至少一个兰姆波的叉指式换能器。型弹性波，或者指型换能器和反射器，布置在石英基板上。石英基板的切割角和以欧拉角（λ，μ，θ）表示的兰姆波型弹性波的传播方向满足以下式（式1〜3）中的任一个。 <？in-line-formulae description =“在线表达式” end =“ lead”？>λ= 90°，μ= 17°至21°或μ= 159°至163°，θ= 0°至10° （表达式1）<？in-line-formulae description =“ In-line Formulae” end =“ tail”？>; <？in-line-formulae description =“在线表达式” end =“ lead”？>λ= 210°，μ= 17°至21°或μ= 159°至163°，θ= 0°至10° （表达式2）<？in-line-formulae description =“ In-line Formulae” end =“ tail”？>; <？in-line-formulae description =“在线表达式” end =“ lead”？>λ= 330°，μ= 17°至21°或μ= 159°至163°，θ= 0°至10° （表达式3）<？in-line-formulae description =“ In-line Formulae” end =“ tail”？>
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