发明名称 Disc cartridges and methods of manufacturing such cartridges.
摘要 <p>A disc cartridge has a cartridge body (1) with a disc (D) rotatably housed therein, and a shutter (5) slidably mounted on the cartridge body (1), for opening and closing a disc access opening (4) defined in at least one of the walls of the cartridge body (1). The shutter (5) has a thin film (11) on a surface thereof which is held in sliding contact with the cartridge body (1), the thin film (11) being made of a material having a small coefficient of friction, such as acrylic resin, Teflon, nylon or Delrin. &lt;IMAGE&gt;</p>
申请公布号 EP0459743(A2) 申请公布日期 1991.12.04
申请号 EP19910304787 申请日期 1991.05.28
申请人 SONY CORPORATION 发明人 FUNAWATARI, TAKATSUGU;TAKAHASI, KENJI
分类号 G11B23/02;G11B23/03 主分类号 G11B23/02
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