A medium carrier detachably provided for an optical disk

摘要

A CD is mounted in a CD carrier and is inserted and ejected to/from a recording and reproducing mechanism of an optical disk drive for commonly performing both of a reproduction of the CD and recording and reproduction of an MO cartridge. The CD carrier has a holder to enclose the CD and a CD turntable which is enclosed in a holder and mounts the CD to an upper portion and attaches a lower portion to a spindle motor of the recording and reproducing mechanism. The CD turntable has a first hub for attaching the CD to an upper portion of a disk on which the CD is mounted and a second hub for attaching a lower portion of the disk to a spindle motor of the recording and reproducing mechanism.