Abstract
In this paper, the microelectromagnetic vibration transducer is presented for the use of an implantable middle ear hearing aid, characterized by its small size, high efficiency and selective frequency bandwidth. In order to construct this, a new type of electromagnetic vibration transducer, composed of wound coil, a permanent magnet and a four-beam cross type silicon elastic body, is required. The fabricated transducer is useful for the application of 1–5 mA of a current source, 0.5–55 dyn of a vibration peak force and at a frequency range of a 100–7000 Hz.
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