发明名称 Disc cartridge and disc drive
摘要 A disc cartridge of the present invention has an arrangement in which a disc cover is provided so as to cover one side of a disc in a disc shape having a recording layer for recording/reproducing information. This arrangement protects a surface for recording/reproducing from being damaged, being attached by dust, or being dirty. Meanwhile, this arrangement gives a significantly thinner thickness to the disc cartridge.
申请公布号 US7055163(B2) 申请公布日期 2006.05.30
申请号 US20010004564 申请日期 2001.12.05
申请人 SHARP KABUSHIKI KAISHA 发明人 TAKAHASHI AKIRA;TAJIMA HIDEHARU;TAKAMORI NOBUYUKI
分类号 G11B23/03;G11B17/04;G11B17/043;G11B17/046 主分类号 G11B23/03
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