The electromechanical coupling coefficient of the first series resonator (6) is smaller than the electromechanical coupling coefficient of the second series resonator (7).
The elastic wave element has excellent temperature characteristics and electromechanical coupling coefficient.
Provided is a surface acoustic wave device with a large electromechanical coupling coefficient (k2), a low insertion loss, and high resistance to static electricity.
Each of the oscillation elements (34-1 to 34-30) has a characteristic that the electromechanical coupling coefficient changes according to the intensity of the DC bias superimposed to the drive signal to be applied.
In this way, a piezoelectric ceramic composition is provided which contains no lead and which has an outstanding electromechanical coupling coefficient and piezoelectric properties and can be used in sensors and actuators.
The electro-mechanical coupling coefficient kb of bending vibration mode of the unimorph (or bimorph) is 50% (or 60%) or more.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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