Phase-change optical recording medium

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Reexamination Certificate

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C428S064400, C428S064500, C428S064600, C430S270130

Reexamination Certificate

active

07132147

ABSTRACT:
A phase-change optical recording medium has a phase-change recording film to which recording and erasure can be reversibly performed by irradiation with light, and at least one dielectric film formed of a SiOC film containing Si, O and C, and having a carbon concentration within a range of between 0.1 and 30 atomic %.

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patent: WO 03/025922 (2003-03-01), None
Sumio Ashida et al., “Fast deposition of the dielectric film for the rewritable HD DVD,” Proceedings of the 15thSymposium on Phase Change Optical Information Storage, PCOS 2003, Oct. 30-31, 2003, pp. 62-66.
Japanese Search Report dated Feb. 24 for Appln. No. 2003-189670.

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