DISC CARTRIDGE

摘要

A disc cartridge according to the present invention includes a cartridge body, a shutter and a disk holding member. The cartridge body includes: a disc storage portion that stores a disc, having a signal recording side, therein so that the disc is rotatable in the disc storage portion and that one side of the disc is exposed; a chucking opening that is formed on the bottom of the disc storage portion so as to get the disc chucked externally; and a head opening that is also formed on the bottom of the disc storage portion so as to allow a head, which reads and/or writes a signal from/on the signal recording side of the disc, to access the signal recording side. The shutter is supported to, and movable with respect to, the cartridge body so as to expose or cover at least the head opening. The disc holding member holds or releases the disc onto/from the cartridge body. <IMAGE>