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Non-oriented electrical steel, 30ZH105, was purchased from Nippon Steel Corporation. The steel has been widely used in rotating motor, small transformer, and electro-mechanical equipment cores. Because the noise generated from the steel core usually imposes an environment issue, in this study, we focus on the magnetic and magneto-mechanical studies of the 30ZH105 steel. Saturation magnetization (4πM...
Silicon-based centimeter-sized 1.0 – 2.0 MHz ultrasonic nozzles that employ multiple-Fourier horns and external liquid feeding have been realized to produce micrometer-sized (2.2 to 4.6µm) monodisperse droplets at high throughput (600µl/min) and low electrical drive power (<1 W). A preliminary battery-operated atomizer module has been constructed for inhalation drug delivery.
This paper presents an innovative micromechanical bandpass filter using free-free beam resonators and torsional coupling beams for VHF applications. The rationale for adopting free-free beam resonators is that the free-free beam resonators would experience less anchor loss than a clamped-clamped resonators. ANSYS simulation shows that the proposed free-free beam filter possess less anchor loss. Finally,...
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