| 摘要 |
PROBLEM TO BE SOLVED: To suppress degradation of a ground connection state over time in an optical disk device. SOLUTION: The optical disk device is provided with a disk tray 20 moving back and forth and a ground contact piece 1 which contacts an electric conduction component 3 and performs ground connection. The ground contact piece 1 is attached to a wiring board P which is a fixed side member 2. In the process of the disk tray 20 moving back and forth between an open position and a closing position, the disk tray 20 and a sliding section 15 of the ground contact piece 1 are made to rub in a crushing state in a lateral direction. By the rubbing, the surface of the electric conduction component 3 is cleaned and the electrical connection state of the ground contact piece 1 and the electric conduction component 3 is stabilized. COPYRIGHT: (C)2006,JPO&NCIPI
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