JP4536769B2 - 情報記録媒体および記録パワー決定方法 - Google Patents
情報記録媒体および記録パワー決定方法 Download PDFInfo
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- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
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- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
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- Optical Recording Or Reproduction (AREA)
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Description
102 第2の記録層
103 接着樹脂
104 第1の記録層
105 第1の基板
106 クランプ穴
107 ディスク情報領域
108 欠陥リスト領域
109 スペア領域
110 データ領域
300 光ディスクドライブ
301 光ディスク
302 スピンドルモータ
303 光ヘッド
304 レーザ光制御回路
305 サーボ回路
Claims (2)
- 複数の記録層と、前記複数の記録層の各層毎にレーザ光の記録パワーを決定するためのテスト領域と、前記決定されたパワーにてデータが記録されるデータ領域と、を備え、
前記複数の記録層は、1回のみ記録が可能な第1の記録層と、前記第1の記録層に隣接し、1回のみ記録が可能な第2の記録層と、を含み、
前記第1の記録層の第1のテスト領域と前記第2の記録層の第2のテスト領域とは、それぞれ、異なる半径位置に配置されており、前記第1のテスト領域は、前記第2のテスト領域よりも内周側にあり、
前記第1の記録層の第1のデータ領域への記録パワーは、前記第1のテスト領域の内周側から使うことによって決定され、
前記第2の記録層の第2のデータ領域への記録パワーは、前記第2のテスト領域の外周側から使うことによって決定される、情報記録媒体。 - 情報記録媒体に対する記録パワーの決定方法であって、
前記情報記録媒体は、複数の記録層と、前記複数の記録層の各層毎にレーザ光の記録パワーを決定するためのテスト領域と、前記決定されたパワーにてデータが記録されるデータ領域と、を備え、
前記複数の記録層は、1回のみ記録が可能な第1の記録層と、前記第1の記録層に隣接し、1回のみ記録が可能な第2の記録層とを含み、
前記第1の記録層の第1のテスト領域と前記第2の記録層の第2のテスト領域とは、それぞれ、異なる半径位置に配置されており、前記第1のテスト領域は、前記第2のテスト領域よりも内周側にあり、
前記第1の記録層の第1のデータ領域への記録パワーを、前記第1のテスト領域の内周側から使うことによって決定し、
前記第2の記録層の第2のデータ領域への記録パワーを、前記第2のテスト領域の外周側から使うことによって決定する、記録パワー決定方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2007317426A JP4536769B2 (ja) | 2002-01-22 | 2007-12-07 | 情報記録媒体および記録パワー決定方法 |
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JP2002013493 | 2002-01-22 | ||
JP2002056479 | 2002-03-01 | ||
JP2002320444 | 2002-11-01 | ||
JP2007317426A JP4536769B2 (ja) | 2002-01-22 | 2007-12-07 | 情報記録媒体および記録パワー決定方法 |
Related Parent Applications (1)
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JP2003010406A Division JP4101666B2 (ja) | 2002-01-22 | 2003-01-17 | 情報記録媒体、記録装置、再生装置、記録方法、再生方法 |
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JP2009230499A Division JP4843082B2 (ja) | 2002-01-22 | 2009-10-02 | 多層ディスクおよび記録パワー決定方法 |
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JP2008112566A JP2008112566A (ja) | 2008-05-15 |
JP4536769B2 true JP4536769B2 (ja) | 2010-09-01 |
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Family Applications (9)
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JP2003010406A Expired - Lifetime JP4101666B2 (ja) | 2002-01-22 | 2003-01-17 | 情報記録媒体、記録装置、再生装置、記録方法、再生方法 |
JP2005234538A Pending JP2006004625A (ja) | 2002-01-22 | 2005-08-12 | 情報記録媒体、記録装置、再生装置、記録方法、再生方法 |
JP2005234539A Pending JP2005327475A (ja) | 2002-01-22 | 2005-08-12 | 情報記録媒体、記録装置、再生装置、記録方法、再生方法 |
JP2005234537A Pending JP2005327474A (ja) | 2002-01-22 | 2005-08-12 | 情報記録媒体、記録装置、再生装置、記録方法、再生方法 |
JP2005289280A Pending JP2006024364A (ja) | 2002-01-22 | 2005-09-30 | 情報記録媒体、記録装置、再生装置、記録方法、再生方法 |
JP2005289281A Pending JP2006024365A (ja) | 2002-01-22 | 2005-09-30 | 情報記録媒体、記録装置、再生装置、記録方法、再生方法 |
JP2005289282A Withdrawn JP2006059528A (ja) | 2002-01-22 | 2005-09-30 | 情報記録媒体、情報処理装置、情報処理方法 |
JP2007317426A Expired - Lifetime JP4536769B2 (ja) | 2002-01-22 | 2007-12-07 | 情報記録媒体および記録パワー決定方法 |
JP2009230499A Expired - Fee Related JP4843082B2 (ja) | 2002-01-22 | 2009-10-02 | 多層ディスクおよび記録パワー決定方法 |
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JP2003010406A Expired - Lifetime JP4101666B2 (ja) | 2002-01-22 | 2003-01-17 | 情報記録媒体、記録装置、再生装置、記録方法、再生方法 |
JP2005234538A Pending JP2006004625A (ja) | 2002-01-22 | 2005-08-12 | 情報記録媒体、記録装置、再生装置、記録方法、再生方法 |
JP2005234539A Pending JP2005327475A (ja) | 2002-01-22 | 2005-08-12 | 情報記録媒体、記録装置、再生装置、記録方法、再生方法 |
JP2005234537A Pending JP2005327474A (ja) | 2002-01-22 | 2005-08-12 | 情報記録媒体、記録装置、再生装置、記録方法、再生方法 |
JP2005289280A Pending JP2006024364A (ja) | 2002-01-22 | 2005-09-30 | 情報記録媒体、記録装置、再生装置、記録方法、再生方法 |
JP2005289281A Pending JP2006024365A (ja) | 2002-01-22 | 2005-09-30 | 情報記録媒体、記録装置、再生装置、記録方法、再生方法 |
JP2005289282A Withdrawn JP2006059528A (ja) | 2002-01-22 | 2005-09-30 | 情報記録媒体、情報処理装置、情報処理方法 |
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JP2009230499A Expired - Fee Related JP4843082B2 (ja) | 2002-01-22 | 2009-10-02 | 多層ディスクおよび記録パワー決定方法 |
Country Status (10)
Country | Link |
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US (12) | US7170841B2 (ja) |
EP (5) | EP1950748A3 (ja) |
JP (9) | JP4101666B2 (ja) |
KR (5) | KR100948247B1 (ja) |
CN (5) | CN102005215A (ja) |
AU (1) | AU2003202808A1 (ja) |
DE (1) | DE60321539D1 (ja) |
ES (3) | ES2386955T3 (ja) |
MX (1) | MXPA04007057A (ja) |
WO (1) | WO2003063144A2 (ja) |
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