electro-mechanical coupling coefficientとは 意味・読み方・使い方

The elements 18 and 20 are formed so that a mechanical quality coefficient Qm is 60 or more and an electro-mechanical coupling coefficient Kp is 0.2 or more.例文帳に追加

第１圧電素子18及び第２圧電素子20は、機械的品質係数Ｑｍが６０以上で、電気−機械結合係数Ｋｐが０．２以上になるように形成されている。 - 特許庁

To provide a thin-film piezoelectric resonator in which the orientation characteristic of a piezo-electric material film in a thickness direction is proper, and which has a high electro-mechanical coupling coefficient k_t^2 and mechanical quality coefficient Qm without spurious oscillations.例文帳に追加

圧電体膜の厚み方向の配向特性が良好で、且つスプリアス振動がなく、高い電気機械結合係数ｋ_ｔ^２及び機械的品質係数Ｑmを持つ薄膜圧電共振器を提供する。 - 特許庁

By doping zinc, variations in the electro-mechanical coupling coefficient (k) and the mechanical quality coefficient Qm due to the support mechanism of the piezoelectric vibrator are reduced, the size is reduced, and mass productivity of the piezoelectric vibrator and the piezoelectric gyro can be improved.例文帳に追加

亜鉛を添加することで、圧電振動子の支持機構による、電気機械結合係数ｋ及び機械的品質係数Ｑｍの変化が減少し、圧電振動子及び圧電振動ジャイロの小型化や量産性の向上が可能となる。 - 特許庁

To provide a method for manufacturing a surface acoustic wave(SAW) element, having a high electro-mechanical coupling coefficient, even when a material soluble in a treatment liquid is used as a piezoelectric substrate.例文帳に追加

圧電性基板として処理液に可溶な材料からなるものを用いた場合でも、電気機械結合係数の高いＳＡＷ素子を製造方法すること。 - 特許庁

To obtain a piezoelectric element wherein impedance is low, electro- mechanical coupling coefficient is large and low loss characteristics at high frequency is ensured, when piezoelectric ceramics having a laminar perovskite structure is used.例文帳に追加

層状ペロブスカイト構造を有する圧電体セラミックスを用いても、低インピーダンスで、電気機械結合係数が大きく、高周波低損失の特性を有する圧電素子を得る。 - 特許庁

To provide a thin film piezoelectric resonator and its manufacturing method, the resonator having a large electro-mechanical coupling coefficient and a compact device size capable of being easily manufactured.例文帳に追加

電気機械結合係数が大きく、且つ製造が容易で素子サイズもコンパクトに形成できる薄膜圧電共振器及びその製造方法を提供することを目的とする。 - 特許庁

To provide a thin film piezoelectric resonator that has an electro-mechanical coupling coefficient k_t^2and a Q value which are both large and is provided with a lower electrode whose film thickness can be easily controlled, and to provide its manufacturing method.例文帳に追加

電気機械結合係数ｋ_t^2及びＱ値が共に大きく、且つ下部電極の膜厚制御が容易な薄膜圧電共振器及びその製造方法を提供する。 - 特許庁