The present invention provides a method for manufacturing optical disk substrates whereby grooves and pits of optical disk substrates are formed highly accurately and finely, so that resulting optical disks can be of large-capacity and reduced in noise level. A coat of an organic material is provided...http://www.google.de/patents/US6352656?utm_source=gb-gplus-sharePatent US6352656 - Manufacturing method for metallic stamper and metallic stamper and, manufacturing method for optical disk substrate with the use of the stamper and optical disk fabricated by the manufacturing method
