JP5540918B2 - 情報消去装置、情報消去方法 - Google Patents

情報消去装置、情報消去方法 Download PDF

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Publication number
JP5540918B2
JP5540918B2 JP2010136424A JP2010136424A JP5540918B2 JP 5540918 B2 JP5540918 B2 JP 5540918B2 JP 2010136424 A JP2010136424 A JP 2010136424A JP 2010136424 A JP2010136424 A JP 2010136424A JP 5540918 B2 JP5540918 B2 JP 5540918B2
Authority
JP
Japan
Prior art keywords
data
recording
disk
recorded
recording medium
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
Application number
JP2010136424A
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English (en)
Japanese (ja)
Other versions
JP2012003798A (ja
JP2012003798A5 (enExample
Inventor
貢 今井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Priority to JP2010136424A priority Critical patent/JP5540918B2/ja
Priority to US13/091,537 priority patent/US8638648B2/en
Priority to CN2011101601577A priority patent/CN102290059A/zh
Publication of JP2012003798A publication Critical patent/JP2012003798A/ja
Publication of JP2012003798A5 publication Critical patent/JP2012003798A5/ja
Application granted granted Critical
Publication of JP5540918B2 publication Critical patent/JP5540918B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B2020/10851—Erasing data on the record carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
    • G11B2220/215—Recordable discs
    • G11B2220/218—Write-once discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2541—Blu-ray discs; Blue laser DVR discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24073—Tracks
    • G11B7/24082—Meandering

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
JP2010136424A 2010-06-15 2010-06-15 情報消去装置、情報消去方法 Expired - Fee Related JP5540918B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2010136424A JP5540918B2 (ja) 2010-06-15 2010-06-15 情報消去装置、情報消去方法
US13/091,537 US8638648B2 (en) 2010-06-15 2011-04-21 Information erasing device and information erasing method
CN2011101601577A CN102290059A (zh) 2010-06-15 2011-06-15 信息擦除装置和信息擦除方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010136424A JP5540918B2 (ja) 2010-06-15 2010-06-15 情報消去装置、情報消去方法

Publications (3)

Publication Number Publication Date
JP2012003798A JP2012003798A (ja) 2012-01-05
JP2012003798A5 JP2012003798A5 (enExample) 2013-07-18
JP5540918B2 true JP5540918B2 (ja) 2014-07-02

Family

ID=45096156

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010136424A Expired - Fee Related JP5540918B2 (ja) 2010-06-15 2010-06-15 情報消去装置、情報消去方法

Country Status (3)

Country Link
US (1) US8638648B2 (enExample)
JP (1) JP5540918B2 (enExample)
CN (1) CN102290059A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107615383A (zh) 2015-07-03 2018-01-19 松下知识产权经营株式会社 信息记录装置以及数据擦除方法
JP6937468B2 (ja) 2018-03-06 2021-09-22 パナソニックＩｐマネジメント株式会社 情報記録装置及びデータ消去方法
US11355199B2 (en) * 2020-07-23 2022-06-07 Intel Corporation Method and apparatus to mitigate hot electron read disturbs in 3D NAND devices

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4695993A (en) * 1984-06-15 1987-09-22 Matsushita Electric Industrial Co., Ltd. Optical information recording and reproducing apparatus and optical disc
JPS61208673A (ja) * 1985-03-12 1986-09-17 Matsushita Electric Ind Co Ltd 情報記録再生装置
JPS62298072A (ja) 1986-06-17 1987-12-25 Sanyo Electric Co Ltd 情報記録装置
JPS63167428A (ja) * 1986-12-27 1988-07-11 Toshiba Corp 情報記憶装置
US4833663A (en) * 1987-01-16 1989-05-23 Matsushita Electric Industrial Co., Ltd. Information recording/reproducing apparatus for handling defective sectors on an optical disk
JPH04289517A (ja) * 1991-03-19 1992-10-14 Hitachi Ltd 追記型光ディスク装置のデータデリート方法
JP2887949B2 (ja) * 1991-06-27 1999-05-10 松下電器産業株式会社 情報記録再生装置、情報再生装置、ｄｍａ記録方法及びｄｍａ検証方法
JPH08328752A (ja) * 1994-06-10 1996-12-13 Canon Inc 情報記録装置及び方法
JPH08329612A (ja) * 1995-06-02 1996-12-13 Sony Corp データ記録ディスク
JP3546654B2 (ja) * 1997-08-07 2004-07-28 株式会社日立製作所 情報記録装置及び情報記録方法
JP2001344760A (ja) * 2000-06-05 2001-12-14 Toshiba Corp 光ディスク装置および光ディスクのセキュリティ方法
JP2002092888A (ja) * 2000-09-08 2002-03-29 Sony Corp 光ディスク及び光磁気ディスク並びにこれらのディスク装置及びデータ記録方法
US6985426B2 (en) * 2001-02-23 2006-01-10 Matsushita Electric Industrial Co., Ltd. Method and apparatus for recording optical information including dummy data, and optical disk having such data recorded thereon
JP2006048763A (ja) 2004-07-30 2006-02-16 Toshiba Corp 情報記録媒体、情報記録再生装置及び情報管理方法
JP2006155816A (ja) * 2004-11-30 2006-06-15 Matsushita Electric Ind Co Ltd 信号処理装置、および信号処理方法
JP4445507B2 (ja) * 2005-01-14 2010-04-07 パイオニア株式会社 記録装置及び記録方法、並びにコンピュータプログラム
US20070047395A1 (en) * 2005-08-26 2007-03-01 Plasmon Lms, Inc. Optical disk shred operation with detection
JP4992515B2 (ja) * 2007-03-30 2012-08-08 ソニー株式会社 情報処理装置、および情報処理方法、並びにコンピュータ・プログラム
US20110022793A1 (en) * 2008-03-31 2011-01-27 Gaspard Walter A Systems And Methods For Accessing Hard Disk Drives

Also Published As

Publication number Publication date
JP2012003798A (ja) 2012-01-05
CN102290059A (zh) 2011-12-21
US8638648B2 (en) 2014-01-28
US20110305124A1 (en) 2011-12-15

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