GLASS SUBSTRATE FOR MAGNETIC DISK, AND MAGNETIC DISK
摘要
<p>This glass substrate for a magnetic disk is characterized in that in the case where a tilt of a principal surface thereof is sampled at intervals of 10 nm, an average of a square value of the tilt is not less than 0.0025, and a frequency of the time when the square value of the tilt is not less than 0.004 is not less than 15 %.</p>
申请公布号
WO2014034251(A1)
申请公布日期
2014.03.06
申请号
WO2013JP67944
申请日期
2013.06.28
申请人
HOYA CORPORATION;HOYA GLASS DISK VIETNAM II LTD.;ITAYA, MASANOBU;OSAKABE, KINOBU;TAKIZAWA, TOSHIO
