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The Ag alloy reflected film for optical information record media, optical information record media and the Ag alloy reflected film which is used for the sputtering target null optical information record media for formation

机译：用于光学信息记录介质的Ag合金反射膜，光学信息记录介质和用于溅射靶空光学信息记录介质形成的Ag合金反射膜

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摘要

PPROBLEM TO BE SOLVED: To provide an Ag alloy reflection film for an optical information recording medium, which, even when a metallic reflection film and a resin layer are in direct contact with each other, can maintain excellent environmental resistance such as excellent moist heat resistance and light resistance for a long period of time, to provide an optical information recording medium comprising the reflection film, and to provide a sputtering target for the reflection film formation. PSOLUTION: In the Ag alloy reflection film used in an optical information recording medium, a specific element selected from Pr, Ho and Yb is contained to suppress a deterioration mode in which, while the Ag alloy reflection film and the resin layer are in direct contact with each other, Ag on the reflection film side diffuses and aggregates to adjacent resin layer side whereby environmental resistance such as light resistance or moist heat resistance can be improved and, at the same time, the high environmental resistance can be maintained for a long period of time. PCOPYRIGHT: (C)2008,JPO&INPIT

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要解决的问题：提供用于光信息记录介质的Ag合金反射膜，即使金属反射膜和树脂层彼此直接接触，该Ag合金反射膜也可以保持优异的耐环境性，例如优异的耐环境性。长时间保持耐湿热性和耐光性，以提供包括反射膜的光学信息记录介质，并提供用于形成反射膜的溅射靶。

解决方案：在用于光学信息记录介质的Ag合金反射膜中，包含选自Pr，Ho和Yb的特定元素以抑制劣化模式，其中Ag合金反射膜和树脂层为通过彼此直接接触，反射膜侧上的Ag扩散并聚集到相邻的树脂层侧，从而可以改善耐环境性，例如耐光性或耐湿热性，并且同时可以保持高耐环境性。很长一段时间。

版权：（C）2008，日本特许厅＆INPIT 展开▼

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公开/公告号JP4099516B2

专利类型
公开/公告日2008-06-11

原文格式PDF
申请/专利权人株式会社神戸製鋼所;
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申请/专利号JP20070218255
发明设计人坪田隆之;大脇武史;藤井秀夫;
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申请日2007-08-24
分类号G11B7/258;G11B7/24;G11B7/244;G11B7/26;C23C14/34;
国家 JP
入库时间 2022-08-21 20:21:09

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