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公开(公告)号：US11545179B2
公开(公告)日：2023-01-03
申请号：US17171217
申请日：2021-02-09
发明人： Rie Kojima , Akio Tsuchino , Kazuki Aita
IPC分类号： G11B7/24 , G11B7/24038 , G11B7/24053 , G11B7/24067 , G11B7/2433 , G11B7/2578 , G11B7/26 , G11B7/00
摘要： An information recording medium and a method for producing the same according to the present disclosure are configured to have an information layer in which a larger amount of light for reproduction can be obtained, so that the medium is suitable for recording information at high recording density and is useful for a multi-layer optical disc that records a large amount of contents.
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公开(公告)号：US10438627B2
公开(公告)日：2019-10-08
申请号：US15656166
申请日：2017-07-21
发明人： Akio Tsuchino , Rie Kojima
IPC分类号： G11B7/24 , G11B7/2437 , G11B7/24038 , G11B7/241 , G11B7/243 , G11B7/26 , G11B7/257
摘要： An information recording medium according to the present disclosure is an information recording medium of a write-once-read-many type and records or reproduces information when irradiated with laser light. The information recording medium includes: a substrate; a plurality of information layers at least one information layer of which includes a recording film that is a W—O-based recording film comprising at least tungsten (W) and oxygen (O); and a dielectric film A in contact with the W—O-based recording film, the dielectric film A comprising at least 30 mol % tin oxide.
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