| 摘要 |
PROBLEM TO BE SOLVED: To provide a disk clamp device in which trouble of aligning of a clamper at the time of clamping a disk never be caused by reducing friction of the disk and the clamper. SOLUTION: In a disk clamp device in which a disk 9 is pressed to a turn table 2 by a clamper 1, the clamper 1 is position-adjusted concentrically with the turn table 2 by engaging the turn table 2, and the prescribed number of pieces of convex parts 1b, 1b, ... point-contacting to the disk 9 are provided at a plane 1a opposing to the disk 9. COPYRIGHT: (C)2004,JPO&NCIPI
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