JP4333748B2 - 光記録媒体 - Google Patents
光記録媒体 Download PDFInfo
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- JP4333748B2 JP4333748B2 JP2007018172A JP2007018172A JP4333748B2 JP 4333748 B2 JP4333748 B2 JP 4333748B2 JP 2007018172 A JP2007018172 A JP 2007018172A JP 2007018172 A JP2007018172 A JP 2007018172A JP 4333748 B2 JP4333748 B2 JP 4333748B2
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Description
Claims (5)
- 基板と、第1の記録層と、中間層と、第2の記録層と、カバー層とをこの順に有し、
前記カバー層の側から記録光または再生光が入射する光記録媒体であって、
前記中間層と前記第2の記録層との間に、前記中間層の屈折率よりも低い屈折率を示す第1の誘電体層と、当該第1の誘電体層の屈折率より高い屈折率を示す第2の誘電体層との積層構造を有し、
前記第2の誘電体層が前記第2の記録層側に配されており、かつ、前記中間層と前記第1の誘電体層とが隣り合い、
前記第1の誘電体層はSiNであり、前記第2の誘電体層はNb 2 O 5 である
ことを特徴とする光記録媒体。 - 前記記録光または再生光は青色レーザ光である
ことを特徴とする請求項1に記載の光記録媒体。 - 前記第2の記録層は、金属材料層と、信号記録層と、当該信号記録層の両側に配された誘電体層とを有する
ことを特徴とする請求項1に記載の光記録媒体。 - 前記第1の記録層は、金属材料層と、信号記録層と、当該信号記録層の両側に配された誘電体層とを有する
ことを特徴とする請求項1に記載の光記録媒体。 - 前記信号記録層は、相変化記録材料を含有する
ことを特徴とする請求項1〜4のいずれか1項に記載の光記録媒体。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007018172A JP4333748B2 (ja) | 2007-01-29 | 2007-01-29 | 光記録媒体 |
Applications Claiming Priority (1)
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JP2007018172A JP4333748B2 (ja) | 2007-01-29 | 2007-01-29 | 光記録媒体 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002112884A Division JP2003317314A (ja) | 2002-04-16 | 2002-04-16 | 光記録媒体 |
Publications (2)
Publication Number | Publication Date |
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JP2007109402A JP2007109402A (ja) | 2007-04-26 |
JP4333748B2 true JP4333748B2 (ja) | 2009-09-16 |
Family
ID=38035128
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2007018172A Expired - Fee Related JP4333748B2 (ja) | 2007-01-29 | 2007-01-29 | 光記録媒体 |
Country Status (1)
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JP (1) | JP4333748B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2527492B1 (en) * | 2010-01-20 | 2016-10-19 | IHI Corporation | Cutting edge structure for cutting tool, and cutting tool with the cutting edge structure |
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2007
- 2007-01-29 JP JP2007018172A patent/JP4333748B2/ja not_active Expired - Fee Related
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JP2007109402A (ja) | 2007-04-26 |
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