发明名称 DISK-LIKE RECORDING MEDIUM, ITS WARPAGE CORRECTION MECHANISM AND RECORDING AND REPRODUCING DEVICE
摘要 PROBLEM TO BE SOLVED: To provide a disk-like recording medium which is capable of improving recording and reproducing operations and decreasing vibrations and noises without introducing the members to be exclusively used, such as a pump, and its warpage correction mechanism and a recording and reproducing device. SOLUTION: The recording and reproducing device having a housing section for housing the disk-like recording medium 10 which can be freely put into and out thereof, a turntable and a pickup is arranged with a correction member 2 having a correction surface 3 so as to face the surface of the disk-like recording medium on the turntable without contact therewith and is formed with plural recessed parts 4 for forming negative pressure at a prescribed pitch on at least either one of the correction surface or the surface of the disk-like recording medium facing the same.
申请公布号 JP2002251864(A) 申请公布日期 2002.09.06
申请号 JP20010045837 申请日期 2001.02.21
申请人 RICOH CO LTD 发明人 NAKAMURA YASUYUKI
分类号 G11B7/24;G11B11/105;G11B25/04 主分类号 G11B7/24
代理机构 代理人
主权项
地址