| US 7,468,200 B2 | ||
| Write once optical recording medium | ||
| Yuichi Sabi, Miyagi (Japan); Etsuro Ikeda, Miyagi (Japan); and Mitsuaki Oyamada, Kanagawa (Japan) | ||
| Assigned to Sony Corporation, (Japan) | ||
| Filed on Mar. 10, 2006, as Appl. No. 11/372,699. | ||
| Claims priority of application No. 2005-068210 (JP), filed on Mar. 10, 2005. | ||
| Prior Publication US 2006/0246249 A1, Nov. 02, 2006 | ||
| Int. Cl. B32B 3/02 (2006.01) | ||
| U.S. Cl. 428—64.1 [428/64.4; 428/64.5; 430/270.12] | 5 Claims |
| 1. A write once optical recording medium including an inorganic recording film, the inorganic recording film comprising:
an oxide film having germanium oxide (GeO) as a principal component thereof; and
a metal film adjacent to the oxide film and having a titanium/silicon alloy (TiSi) as a principal component thereof,
in which the titanium/silicon alloy has an Si composition of from 8 atomic % to 32 atomic %.
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