| 摘要 |
PROBLEM TO BE SOLVED: To resolve the problem that a conventional voice coil causes a considerable increase of the cost due to large manufacturing manpower and low yield with respect to a manufacturing method for voice coil for slim speaker which is used in various acoustic equipment and video equipment. SOLUTION: The manufacturing method for a voice coil comprises coiling a magnet wire 23 into a circle and forming it into a desired slim shape like an ellipse, a square, or a track by deforming work to obtain a slim voice coil 24.
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