| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a manufacturing method of a glass substrate for a magnetic disk capable of preventing swelling and sagging of a glass substrate end part while a polishing rate is maintained and to provide a polishing pad. <P>SOLUTION: In the manufacturing method of the glass substrate for the magnetic disk having a principal surface polishing process for relatively moving the glass substrate 1 and the polishing pad 10 to polish the glass substrate 1 while slurry containing a polishing material is supplied, the polishing pad 10 contains 25 to 33(wt.%), preferably 27 to 30(wt.%) polishing material 2. <P>COPYRIGHT: (C)2007,JPO&INPIT |
