Patent ID: 8250591

Claim:
A tray of an optical disk device, comprising: a tray bottom portion configured for an optical disk to be inserted from a front end of the tray so as to be placed on the tray bottom portion for rotational movement; and a tray rear portion adjacent to the tray bottom portion on a rear of a center of rotation of the optical disk and located at a higher level than the tray bottom portion, the tray rear portion including: a first tapered surface having a first slope rising from the tray bottom portion and extending circumferentially of the optical disk, and a second tapered surface having a second slope less than the first slope of the first tapered surface and formed so that an upper end is located farther from the center of rotation of the optical disk than a lower end, wherein the upper end of the second tapered surface is located downstream of the lower end of the second tapered surface in a rotational direction of the optical disk.