| 摘要 |
<p>In manufacturing a speaker (1), ultrasonic complex vibration welding is applied at least to: a process of fixedly assembling together a magnet (3), a pot yoke (2), a pole piece (4); a process of fixing, to a portion of an inner circumference of a frame (6), an outer periphery of a spider (10), which has its inner periphery fixed to a bobbin (9); a process of fixing, to a portion of the frame, an outer circumferential edge (12b) of a surround (12), which has its inner circumferential edge fixed to an outer periphery (11b) of a diaphragm whose inner periphery (11a) is fixed to the bobbin; and a process of fixedly connecting both ends of each of tinsel leads (13) respectively to terminations of a voice coil (8) and to terminals (7).</p> |
