DISK CARTRIDGE

摘要

A disc cartridge housing a disc, such as a magnetic disc, operating as an information recording medium, includes a main cartridge body unit for rotationally housing a disc having a clamp at its center portion for clamping the disc cartridge to a rotating driving unit. In the main cartridge body unit, there is formed a recording/reproducing aperture for exposing a portion of the signal recording region of the disc to outside across the radial direction of the disc. The lower surface of the main cartridge body unit is provided with a center opening for exposing the clamp mounted on the disc to outside. On each opposite inner surface of the main cartridge body unit is arranged a liner. The liner has an adhesive portion and a non-adhesive portion for the main cartridge body unit. On the surface of the non-adhesive portion facing the inner surface of the main cartridge body unit is formed a non-air-permeable layer. The non-adhesive portion of the liner is floated towards the disc into contact with the disc to clean the disc by an air stream generated on rotationally driving the disc within the main cartridge body unit. <IMAGE>