| 摘要 |
PURPOSE: A linear vibrator is provided to improve the stability of a substrate by improving coherence between the substrate and a counterpart component. CONSTITUTION: A fixing unit(110) includes a magnetic field unit(120) with a magnet(122) and a yoke plate(124). A vibrator(130) includes a coil(132), a mass body(134), a holder(136) and an elastic member(138). The coil is arranged to face the magnet. The holder supports the mass body and is combined with the outer circumferential surface of the coil. The elastic member provides an elastic force to the vibrator. A substrate(140) is combined with the bottom surface of the mass body.
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