| 摘要 |
An optical disk drive comprises a mounting unit, which forms a rotation space of a disk and includes a common unit penetrated into the bottom, and a tray which includes an outer periphery unit formed from the mounting unit to an upper direction of the mounting unit to be stepped. An air discharge unit is prepared between the outer periphery unit and a side unit of the upper side of the tray based on the rotation direction of the disk. |
