| 摘要 |
<p>The invention relates to a master substrate, a method for making a high-density relief structure, and optical discs replicated with the high-density relief structure, the master substrate comprising a substrate layer (10) and a recording stack deposited on the substrate layer, the recording stack comprising: - a mask layer (12) - an interface layer (11) sandwiched between said mask layer and the substrate, said mask layer comprising a recording material for forming marks and spaces representing an encoded data pattern, said forming of marks by thermal alteration by a focused laser beam and said marks having a different phase than the unrecorded material. A very high-density relief structure is achieved.</p> |
