JP2000508820A - 光記録担体の書込み方法及び装置 - Google Patents
光記録担体の書込み方法及び装置Info
- Publication number
- JP2000508820A JP2000508820A JP10529246A JP52924698A JP2000508820A JP 2000508820 A JP2000508820 A JP 2000508820A JP 10529246 A JP10529246 A JP 10529246A JP 52924698 A JP52924698 A JP 52924698A JP 2000508820 A JP2000508820 A JP 2000508820A
- Authority
- JP
- Japan
- Prior art keywords
- power level
- pulse
- writing
- sequence
- write
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/006—Overwriting
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- 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
- G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/0045—Recording
- G11B7/00454—Recording involving phase-change effects
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/0055—Erasing
- G11B7/00557—Erasing involving phase-change media
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 光記録担体の情報層をパルス光ビームにより照射し、その情報層にデータ を表すマークの各々をパルスの系列により書き込んで記録する方法において、前 記光ビームは前記系列のパルス間に第1パワーレベルを有し、前記系列の最終パ ルスの後に第2パワーレベルを有し、その後に第3パワーレベルを有し、且つ第 1パワーレベルが第2パワーレベルより低く、第2パワーレベルが第3パワーレ ベルより低いことを特徴とする記録方法。 2. 第2パワーレベルは第3パワーレベルの0.20倍から0.75倍の範囲 内であることを特徴とする請求項1記載の方法。 3. 第1パワーレベルは0から第3パワーレベルの0.30倍の範囲内にであ ることを特徴とする請求項1記載の方法。 4. 種々の書込み速度で書き込む場合に、第2パワーレベルを書込み速度に依 存する持続時間を有する冷却期間中維持することを特徴とする請求項1記載の方 法。 5. λを光りビームの波長、NAを情報層上のビームの開口数、及びvを書込 み速度とするとき、第2パワーレベルを、0.09〜0.27×λ/(NA−v )の範囲内の持続時間を有する冷却期間中維持することを特徴とする請求項1記 載の方法。 6. 光ビームを発生する光源と、光ビームのパワーを制御する制御ユニットと を具え、光記録担体の情報層を光ビームにより照射してその情報層にデータをマ ークの形態に記録する光学式記録装置において、前記制御ユニットがマーク書込 み用のパルスの系列を発生するとともに、光ビームのパワーを、この光ビームが 前記系列のパルス間に第1パワーレベルを有し、前記系列の最終パルスの後に第 2パワーレベルを有し、その後に第3パワーレベルを有するように制御し、且つ 第1パワーレベルが第2パワーレベルより低く、第2パワーレベルが第3パワー レベルより低いことを特徴とする光学式記録装置 7. 第2パワーレベルは第3パワーレベルの0.20倍から0.75倍の範囲 内であることを特徴とする請求項1記載の光学式記録装置。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IB1997/000130 WO1997030440A2 (en) | 1996-02-16 | 1997-02-14 | Method and device for recording at different writing speeds on an optical information carrier |
EP97201033.4 | 1997-04-10 | ||
EP97201033 | 1997-04-10 | ||
EP97/00130 | 1997-04-10 | ||
PCT/IB1998/000179 WO1998036411A2 (en) | 1997-02-14 | 1998-02-12 | Method and device for writing an optical record carrier |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2000508820A true JP2000508820A (ja) | 2000-07-11 |
JP3850037B2 JP3850037B2 (ja) | 2006-11-29 |
Family
ID=26146344
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52924698A Expired - Lifetime JP3850037B2 (ja) | 1997-02-14 | 1998-02-12 | 光記録担体の書込み方法及び装置 |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0895634B1 (ja) |
JP (1) | JP3850037B2 (ja) |
DE (1) | DE69829025T2 (ja) |
WO (1) | WO1998036411A2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7391695B2 (en) | 2001-10-09 | 2008-06-24 | Hitachi, Ltd. | Information recording systems and methods utilizing controlled mark-length |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW561463B (en) | 1999-03-30 | 2003-11-11 | Koninkl Philips Electronics Nv | Method and device for recording marks in an information layer of an optical record carrier |
JP3762847B2 (ja) * | 1999-04-13 | 2006-04-05 | 株式会社日立製作所 | 情報の記録方法及び情報の記録装置 |
CZ2001809A3 (cs) | 1999-07-07 | 2001-08-15 | Koninklijke Philips Electronics N. V. | Způsob a zařízení pro záznam značek v informační vrstvě optického nosiče záznamu |
JP3839635B2 (ja) | 2000-03-03 | 2006-11-01 | 株式会社リコー | 光情報記録方法、光情報記録装置及び光情報記録媒体 |
KR100762806B1 (ko) * | 2000-05-09 | 2007-10-02 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 기록매체의 정보층에 정보신호를 기록하는 방법 및 장치 |
JP4142338B2 (ja) | 2002-05-09 | 2008-09-03 | 富士フイルム株式会社 | 光情報記録方法 |
KR20050095837A (ko) * | 2002-12-30 | 2005-10-04 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 저전력 소모형 정보 기록 장치 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4939717A (en) * | 1986-10-31 | 1990-07-03 | Matsushita Electric Industrial Co., Ltd. | Method and apparatus for erasing and recording information using three power levels |
JP2972899B2 (ja) * | 1991-01-24 | 1999-11-08 | 株式会社リコー | 光磁気記録方法 |
JPH06162507A (ja) * | 1992-11-24 | 1994-06-10 | Toshiba Corp | 情報記録方法および情報記録装置 |
JPH07105585A (ja) * | 1993-10-05 | 1995-04-21 | Hitachi Ltd | 光記録の記録方法 |
EP0703575B1 (en) * | 1994-09-22 | 2003-01-22 | Ricoh Company, Ltd | Information recording method and device |
WO1997030444A1 (en) * | 1996-02-16 | 1997-08-21 | Philips Electronics N.V. | Method and device for recording an optical information carrier |
-
1998
- 1998-02-12 JP JP52924698A patent/JP3850037B2/ja not_active Expired - Lifetime
- 1998-02-12 EP EP98901444A patent/EP0895634B1/en not_active Expired - Lifetime
- 1998-02-12 DE DE69829025T patent/DE69829025T2/de not_active Expired - Lifetime
- 1998-02-12 WO PCT/IB1998/000179 patent/WO1998036411A2/en active IP Right Grant
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7391695B2 (en) | 2001-10-09 | 2008-06-24 | Hitachi, Ltd. | Information recording systems and methods utilizing controlled mark-length |
Also Published As
Publication number | Publication date |
---|---|
DE69829025D1 (de) | 2005-03-24 |
EP0895634A2 (en) | 1999-02-10 |
WO1998036411A2 (en) | 1998-08-20 |
JP3850037B2 (ja) | 2006-11-29 |
EP0895634B1 (en) | 2005-02-16 |
WO1998036411A3 (en) | 1998-11-26 |
DE69829025T2 (de) | 2006-01-05 |
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