TWI315519B - Optical information recording medium - Google Patents

Optical information recording medium

Info

Publication number
TWI315519B
TWI315519B TW094107897A TW94107897A TWI315519B TW I315519 B TWI315519 B TW I315519B TW 094107897 A TW094107897 A TW 094107897A TW 94107897 A TW94107897 A TW 94107897A TW I315519 B TWI315519 B TW I315519B
Authority
TW
Taiwan
Prior art keywords
recording medium
information recording
optical information
optical
medium
Prior art date
Application number
TW094107897A
Other languages
English (en)
Other versions
TW200532680A (en
Inventor
Yuki Nakamura
Tohru Yashiro
Tatsuo Mikami
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 TW200532680A publication Critical patent/TW200532680A/zh
Application granted granted Critical
Publication of TWI315519B publication Critical patent/TWI315519B/zh

Links

Classifications

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    • 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
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    • 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)
TW094107897A 2004-03-19 2005-03-15 Optical information recording medium TWI315519B (en)

Applications Claiming Priority (2)

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

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TW200532680A TW200532680A (en) 2005-10-01
TWI315519B true TWI315519B (en) 2009-10-01

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CN (1) CN100345199C (zh)
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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
US20080291816A1 (en) * 2005-03-17 2008-11-27 Yuki Nakamura Optical Recording Medium
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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DE69320422T2 (de) * 1992-06-18 1999-01-28 Canon K.K., Tokio/Tokyo 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
CN1194348C (zh) * 2000-11-30 2005-03-23 日本胜利株式会社 光记录媒体
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
EP1513139B1 (en) * 2001-10-12 2007-09-05 Matsushita Electric Industrial Co., Ltd. Method to determine a change in the transmittance of an optical information recording medium
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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EP1580740B1 (en) 2008-02-13
DE602005004686T2 (de) 2009-02-12
CN1670849A (zh) 2005-09-21
US20060204704A1 (en) 2006-09-14
US7251212B2 (en) 2007-07-31
DE602005004686D1 (de) 2008-03-27
EP1580740A1 (en) 2005-09-28
US20050237916A1 (en) 2005-10-27
TW200532680A (en) 2005-10-01
CN100345199C (zh) 2007-10-24
US7095706B2 (en) 2006-08-22
JP2005302261A (ja) 2005-10-27

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