| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method of manufacturing a glass substrate capable of manufacturing, with high productivity, the glass substrate which meets a requirement of a standard value of the minute weave of the main surface thereof. <P>SOLUTION: This method of manufacturing a glass substrate which is used for a recording disk and having a minute weave of 0.6 nm or smaller on the main surface thereof comprises a glass substrate preparation step of preparing a plurality of glass substrates which have disk-like shapes and difference thicknesses, and the thicknesses of 2 μm or smaller, and a glass substrate polishing step of holding the plurality of glass substrates collectively from the upper and lower sides and simultaneously polishing the plurality of glass substrates in such a manner that a set polishing amount for the main surface on one side is 9 μm or larger. <P>COPYRIGHT: (C)2010,JPO&INPIT |
