| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an optical recording medium, which can apply to a write-once DVD system and has high reliability even under the condition of high light resistance , high temperature and high humidity. <P>SOLUTION: In the optical recording medium including a recording layer 2, which is provided on a disc-like board having a guide groove thereon and includes at least formazans or its metal complex, the optical recording medium is so constituted that a metal reflecting layer 6 contacting with the recording layer 2 is provided and, when necessary, a protective layer is formed and the metal reflecting layer 6 consists of an alloy made mainly of silver. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
