DISK-LIKE RECORDING MEDIUM AND METHOD FOR PRODUCING THE SAME
摘要
<p>An information signal recording medium comprising a substrate, a signal recording layer provided on one side of the substrate, a positioning part in its central area, and a clamping member made of a material magnetically attractive by a magnet and integrally attached to the central area of the substrate in such a way as to be generally flush with the surface of the substrate.</p>
申请公布号
WO0159781(A1)
申请公布日期
2001.08.16
申请号
WO2001JP00954
申请日期
2001.02.09
申请人
SONY CORPORATION;ARAKAWA, NOBUYUKI;MINEMURA, KEN;AKIYAMA, YUJI;KASHIWAGI, TOSHIYUKI