CN101673557B - 光信息记录方法 - Google Patents
光信息记录方法 Download PDFInfo
- Publication number
- CN101673557B CN101673557B CN2009101666165A CN200910166616A CN101673557B CN 101673557 B CN101673557 B CN 101673557B CN 2009101666165 A CN2009101666165 A CN 2009101666165A CN 200910166616 A CN200910166616 A CN 200910166616A CN 101673557 B CN101673557 B CN 101673557B
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- CN
- China
- Prior art keywords
- mentioned
- value
- laser
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- control register
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000003287 optical effect Effects 0.000 title abstract description 10
- 230000008859 change Effects 0.000 claims abstract description 21
- 230000000630 rising effect Effects 0.000 claims description 19
- 238000005457 optimization Methods 0.000 claims description 16
- 230000005855 radiation Effects 0.000 claims description 5
- 230000006866 deterioration Effects 0.000 abstract description 8
- 102000006479 Heterogeneous-Nuclear Ribonucleoproteins Human genes 0.000 abstract 1
- 108010019372 Heterogeneous-Nuclear Ribonucleoproteins Proteins 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 230000006870 function Effects 0.000 description 7
- 238000009740 moulding (composite fabrication) Methods 0.000 description 6
- 239000012467 final product Substances 0.000 description 5
- 230000007774 longterm Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000700 radioactive tracer Substances 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
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- 238000010923 batch production Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Images
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
- G11B7/12—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
- G11B7/1267—Power calibration
-
- 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
- G11B7/0062—Overwriting strategies, e.g. recording pulse sequences with erasing level used for phase-change media
-
- 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
- G11B7/1263—Power control during transducing, e.g. by monitoring
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Abstract
Description
Claims (7)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008230127 | 2008-09-08 | ||
JP2008-230127 | 2008-09-08 | ||
JP2008230127A JP2010067288A (ja) | 2008-09-08 | 2008-09-08 | 光情報記録方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101673557A CN101673557A (zh) | 2010-03-17 |
CN101673557B true CN101673557B (zh) | 2011-04-13 |
Family
ID=41799178
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009101666165A Expired - Fee Related CN101673557B (zh) | 2008-09-08 | 2009-08-24 | 光信息记录方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8355310B2 (zh) |
JP (1) | JP2010067288A (zh) |
CN (1) | CN101673557B (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012151336A (ja) * | 2011-01-20 | 2012-08-09 | Canon Inc | 画像形成装置 |
JP2014186779A (ja) * | 2013-03-25 | 2014-10-02 | Hitachi-Lg Data Storage Inc | データアーカイブシステムおよび品質検査方法 |
JP6299951B2 (ja) * | 2013-11-26 | 2018-03-28 | 株式会社リコー | 半導体レーザ制御装置、画像形成装置及び半導体レーザ制御方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6411579B2 (en) * | 1999-05-19 | 2002-06-25 | Mitsubishi Chemical Corporation | Optical recording method and optical recording medium |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4560251B2 (ja) | 2001-09-10 | 2010-10-13 | パイオニア株式会社 | 情報記録装置および情報記録方法 |
US6954415B2 (en) * | 2002-07-03 | 2005-10-11 | Ricoh Company, Ltd. | Light source drive, optical information recording apparatus, and optical information recording method |
JP2004253032A (ja) * | 2003-02-19 | 2004-09-09 | Sony Corp | レーザ駆動装置、光学式ヘッド装置及び情報処理装置 |
US20050069002A1 (en) | 2003-09-25 | 2005-03-31 | Hisashi Senga | Laser driving device |
JP4398331B2 (ja) | 2003-09-25 | 2010-01-13 | パナソニック株式会社 | レーザ駆動装置、光ディスク装置、レーザ駆動方法およびレーザ駆動用集積回路 |
JP2007305234A (ja) * | 2006-05-12 | 2007-11-22 | Hitachi Ltd | 光ディスク記録装置および光ディスクの記録方法 |
JP2009048699A (ja) * | 2007-08-20 | 2009-03-05 | Hitachi Ltd | レーザ発生装置及びその制御方法並びに光ディスク装置 |
-
2008
- 2008-09-08 JP JP2008230127A patent/JP2010067288A/ja active Pending
-
2009
- 2009-08-24 US US12/545,996 patent/US8355310B2/en not_active Expired - Fee Related
- 2009-08-24 CN CN2009101666165A patent/CN101673557B/zh not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6411579B2 (en) * | 1999-05-19 | 2002-06-25 | Mitsubishi Chemical Corporation | Optical recording method and optical recording medium |
Also Published As
Publication number | Publication date |
---|---|
US8355310B2 (en) | 2013-01-15 |
CN101673557A (zh) | 2010-03-17 |
US20100061206A1 (en) | 2010-03-11 |
JP2010067288A (ja) | 2010-03-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: HITACHI LTD. Free format text: FORMER OWNER: HITACHI,LTD. Effective date: 20130718 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130718 Address after: Tokyo, Japan Patentee after: Hitachi Consumer Electronics Co.,Ltd. Patentee after: Hitachi LG Data Storage Inc. Address before: Tokyo, Japan Patentee before: Hitachi Manufacturing Co., Ltd. Patentee before: Hitachi LG Data Storage Inc. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110413 Termination date: 20160824 |