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DE602005004686D1 - Optisches Datenspeichermedium - Google Patents

Optisches Datenspeichermedium

Info

Publication number
DE602005004686D1
DE602005004686D1 DE602005004686T DE602005004686T DE602005004686D1 DE 602005004686 D1 DE602005004686 D1 DE 602005004686D1 DE 602005004686 T DE602005004686 T DE 602005004686T DE 602005004686 T DE602005004686 T DE 602005004686T DE 602005004686 D1 DE602005004686 D1 DE 602005004686D1
Authority
DE
Germany
Prior art keywords
storage medium
data storage
optical data
optical
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 - Lifetime
Application number
DE602005004686T
Other languages
English (en)
Other versions
DE602005004686T2 (de
Inventor
Yuki Nakamura
Tohru Yashiro
Tatsuo Mikami
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of DE602005004686D1 publication Critical patent/DE602005004686D1/de
Application granted granted Critical
Publication of DE602005004686T2 publication Critical patent/DE602005004686T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/258—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers
    • G11B7/259—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers based on silver
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/21—Circular sheet or circular blank

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
DE602005004686T 2004-03-19 2005-03-18 Optisches Datenspeichermedium Expired - Lifetime DE602005004686T2 (de)

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JP2004081173 2004-03-19
JP2004081173 2004-03-19
JP2004343159 2004-11-26
JP2004343159A JP2005302261A (ja) 2004-03-19 2004-11-26 光記録媒体

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EP (1) EP1580740B1 (de)
JP (1) JP2005302261A (de)
CN (1) CN100345199C (de)
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TW (1) TWI315519B (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7027382B2 (en) * 2001-06-26 2006-04-11 Ricoh Company, Ltd. Optical recording medium having relation between reflection layer and pit lengths
JP4198918B2 (ja) * 2002-02-14 2008-12-17 日鉱金属株式会社 硫化亜鉛を主成分とするスパッタリングターゲット及び該スパッタリングターゲットの製造方法
JP4276516B2 (ja) * 2003-10-20 2009-06-10 パイオニア株式会社 多層光記録媒体および光ピックアップ装置
CN101138035A (zh) * 2005-03-17 2008-03-05 株式会社理光 光学记录介质
US20090279416A1 (en) * 2005-03-18 2009-11-12 Hiroshi Kubo Optical disc and optical recording method
JP4880488B2 (ja) 2007-01-12 2012-02-22 株式会社リコー 光記録材料および光記録媒体、並びに光記録媒体記録再生方法
US20090022932A1 (en) * 2007-07-04 2009-01-22 Toshishige Fujii Optical recording medium
JP6134368B2 (ja) * 2015-10-19 2017-05-24 Ｊｘ金属株式会社 焼結体及び該焼結体からなるスパッタリングターゲット並びに該スパッタリングターゲットを用いて形成した薄膜

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EP0575176B1 (de) * 1992-06-18 1998-08-19 Canon Kabushiki Kaisha Optisches Aufzeichnungsmedium, Informationsaufzeichnungsmethode und Informationswiedergabemethode
JPH09282710A (ja) * 1996-04-15 1997-10-31 Sony Corp 光ディスクおよび光学的情報記録再生装置
JP2000030276A (ja) 1998-07-09 2000-01-28 Yamaha Corp 光ディスク記録パワー制御方法及び装置
JP2000311384A (ja) 1999-04-26 2000-11-07 Fuji Photo Film Co Ltd 光情報記録媒体
JP2001319370A (ja) * 2000-05-11 2001-11-16 Nec Corp 相変化光ディスク
EP1213715A3 (de) * 2000-11-30 2003-05-07 Victor Company Of Japan, Ltd. Optisches Aufzeichnungsmedium
JP2002230828A (ja) 2001-01-31 2002-08-16 Pioneer Electronic Corp 情報記録媒体
JP2002267222A (ja) * 2001-03-12 2002-09-18 Hitachi Plant Eng & Constr Co Ltd 局所排気ユニット及び排気システム
DE60222072T2 (de) * 2001-10-12 2008-01-03 Matsushita Electric Industrial Co., Ltd., Kadoma Optisches Aufzeichnungsmedium, Methode zu dessen Messung und Methode zur optischen Aufzeichnung/ zum optischen Abspielen von Information
JP2004139690A (ja) * 2002-10-18 2004-05-13 Toshiba Corp 相変化光記録媒体
JP2005044491A (ja) 2003-07-10 2005-02-17 Ricoh Co Ltd 光記録媒体およびその製造方法
US20060174256A1 (en) * 2005-02-03 2006-08-03 Tohru Yashiro Optical recording medium, production method thereof, and, method and apparatus for recording and reproducing optical recording medium

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CN100345199C (zh) 2007-10-24
JP2005302261A (ja) 2005-10-27
CN1670849A (zh) 2005-09-21
US20050237916A1 (en) 2005-10-27
TW200532680A (en) 2005-10-01
EP1580740A1 (de) 2005-09-28
US7095706B2 (en) 2006-08-22
TWI315519B (en) 2009-10-01
US20060204704A1 (en) 2006-09-14
EP1580740B1 (de) 2008-02-13
US7251212B2 (en) 2007-07-31
DE602005004686T2 (de) 2009-02-12

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