| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a manufacturing method and cutting processing method of a master mold capable of achieving high flatness. <P>SOLUTION: In a manufacturing method and cutting processing method of a master mold having a rugged pattern corresponding to transfer information on its surface, a metal disk 1 having the rugged pattern on one face is created, photoresist 5 is formed on the other face of the metal disk 1, the photoresist 5 of a part corresponding to a circumference cutting-off area 22 that is annular and is in external contact with the circumference of a mold area 20 of the metal disk 1 is removed, and the remaining part of the photoresist 5 is used as a mask for etching the metal disk 1. <P>COPYRIGHT: (C)2012,JPO&INPIT |
