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    • Improved performance of cMUT with nonuniform membranes 

      Şenlik, Muhammed N.; Olcum, Selim; Atalar, Abdullah (IEEE, 2005-09)
      When capacitive micromachined ultrasonic transducers are immersed in water, the bandwidth of the device is limited by the membrane's second resonance frequency. At this frequency no mechanical power to immersion medium can ...