| 摘要 |
PURPOSE: A method for manufacturing a microspeaker is provided in which a magnet, yoke, upper plate and terminal are incorporated when a frame of the microspeaker is molded, thereby reducing the number of processes for manufacturing a magnetic circuit and terminal of the microspeaker. CONSTITUTION: A through hole(112) penetrates the center of a magnetic circuit(150) consisting of an upper plate(101), magnet(102) and yoke(103) such that an injected material is inserted through the through hole when the frame(105) of the microspeaker is molded, to result in incorporation of the upper plate, magnet and yoke. Simultaneously, a terminal(140) located on one side of the yoke is also incorporated with them. A vibration plate(108) wound with a voice coil(107) is bonded to the inner side of the frame and a protecting cover(111) is fixed to its outer side, thereby forming the microspeaker.
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