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Fabrication of an Electromagnetic Actuator with the Corrugated Parylene Diaphragm

This paper presents the novel fabrication of an electromagnetic micro actuator with a corrugated diaphragm and a flat one. The actuator consists of a Parylene diaphragm with a spiral copper coil and a permanent magnet. The cower coil is fabricated by electroplating and patterning. As the further works, the frequency response of the actuator are obtained by using a laser vibrometer and the static deflection of the actuator diaphragm are measure by using laser displacement meter. The corrugated diaphragm is expected to be better than the flat one with respect to the actuator performance.