Patent ID: 7107604

Claim:
A disk cartridge, comprising: a case to contain a disk including an aperture, a portion of which extends to and around an edge of the case, through which optical access to at least one of opposing surfaces of the disk is possible; and a member including two substantially parallel extensions at least one of which being a window to allow for the optical access to the at least one of the opposing surfaces of the disk and an end to form either a bridge from one parallel extension to the other and/or to fill the portion of the aperture located around the edge of the case, the member being attachable to and detachable from the case, wherein, when attached to the case, the member fits substantially entirely within the aperture, and wherein a profile of the member in a longitudinal direction thereof includes depressions on each lateral side of the member with corresponding edges of the case being formed to fit around the profile of the member.