Patent ID: 6779194
Filing Date: 2004-08-17
Classification: G11B

Abstract:
A disc cartridge for holding a disc-shaped recording medium having a recording portion on only one side thereof, comprising:a case member having a base surface area larger than that of the recording medium and having provided therein an access window for a recording/playback device to access the recording medium; and a shutter for opening and closing the access window, wherein the case member is largely provided in the recording side of the recording medium, wherein the recording side of the recording medium is largely shielded from ambient conditions by the case member and the shutter, and the non-recording side of the recording medium is largely exposed to the ambient conditions, wherein the case member and the shutter each is provided with a flange arranged to overlie a portion of a major surface of the recording medium to prevent the recording medium from falling out of the disc cartridge.