Patent ID: 8136128

Claim:
An optical disc apparatus, comprising: a housing; a tray, which is provided to be able to comes in/out into/from said housing freely; a unit mechanism, which is provided together with said tray, in one body; a turntable, which is provided on said unit mechanism and is configured to support a disc thereon, being rotatable freely; a spindle motor, which is configured to turn said turntable; a pickup, which is configured to do straight-line motion within said unit mechanism, along a radius direction of said turntable; a flat portion, which is formed on said tray, within a range facing to a lower surface of the disc being supported on said turntable; and a plural number of hill portions, which are formed on said tray, dispersedly, surrounding said flat portion, and each having a wall portion on side facing to the flat portion, so as to form an arc shape around a rotation center of said turntable, wherein an opening portion is provided, to pass said pickup passes therethrough, at least on the wall portion within a hill portion, on the side facing to said flat portion, below which said unit mechanism is disposed, among said plural number of hill portions, and at least a part of the wall portion, on which said opening is provided, is stepped back to an outer periphery side of said turntable, comparing to said wall portion of the other hill portions.