DE60211449D1 - Optisches Daten-Aufzeichnungsmedium - Google Patents

Optisches Daten-Aufzeichnungsmedium

Info

Publication number
DE60211449D1
DE60211449D1 DE60211449T DE60211449T DE60211449D1 DE 60211449 D1 DE60211449 D1 DE 60211449D1 DE 60211449 T DE60211449 T DE 60211449T DE 60211449 T DE60211449 T DE 60211449T DE 60211449 D1 DE60211449 D1 DE 60211449D1
Authority
DE
Germany
Prior art keywords
recording medium
data recording
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
DE60211449T
Other languages
English (en)
Other versions
DE60211449T2 (de
Inventor
Tohru Yashiro
Soh Noguchi
Tatsuya Tomura
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
Priority claimed from JP2002188278A external-priority patent/JP2004062915A/ja
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Application granted granted Critical
Publication of DE60211449D1 publication Critical patent/DE60211449D1/de
Publication of DE60211449T2 publication Critical patent/DE60211449T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G11B7/24—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
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/244—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only
    • G11B7/246—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes
    • G11B7/248—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes porphines; azaporphines, e.g. phthalocyanines
    • 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
    • G11B7/24076—Cross sectional shape in the radial direction of a disc, e.g. asymmetrical cross sectional shape
    • 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
    • G11B7/24079—Width or depth
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/146—Laser beam
DE60211449T 2001-10-25 2002-10-24 Optisches Daten-Aufzeichnungsmedium Expired - Lifetime DE60211449T2 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2001328104 2001-10-25
JP2001328104 2001-10-25
JP2002006706 2002-01-15
JP2002006706 2002-01-15
JP2002188278A JP2004062915A (ja) 2001-10-25 2002-06-27 光記録媒体
JP2002188278 2002-06-27

Publications (2)

Publication Number Publication Date
DE60211449D1 true DE60211449D1 (de) 2006-06-22
DE60211449T2 DE60211449T2 (de) 2007-04-19

Family

ID=27347731

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60211449T Expired - Lifetime DE60211449T2 (de) 2001-10-25 2002-10-24 Optisches Daten-Aufzeichnungsmedium

Country Status (6)

Country Link
US (2) US20030124459A1 (de)
EP (1) EP1308943B1 (de)
CN (1) CN1193363C (de)
DE (1) DE60211449T2 (de)
ES (1) ES2262745T3 (de)
TW (1) TWI234156B (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003276342A (ja) * 2002-03-26 2003-09-30 Tdk Corp 光記録媒体
JP2004082406A (ja) * 2002-08-23 2004-03-18 Tdk Corp 光記録媒体
JP4357848B2 (ja) 2003-02-12 2009-11-04 株式会社リコー スクアリリウム金属キレート化合物および光記録媒体
JP2004348880A (ja) * 2003-05-22 2004-12-09 Ricoh Co Ltd 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
US20050221050A1 (en) * 2004-03-19 2005-10-06 Michiaki Shinotsuka Two-layered optical recording medium, method for manufacturing the same, and, method and apparatus for optical recording and reproducing using the same
US7767284B2 (en) 2004-04-28 2010-08-03 Ricoh Company, Ltd. Optical recording medium, and, method for manufacturing the same, and method and apparatus for optical recording and reproducing thereof
US20060067202A1 (en) * 2004-09-17 2006-03-30 Tohru Yashiro Optical recording medium, its production method, and recording method of the optical recording medium
JP2006155786A (ja) * 2004-11-30 2006-06-15 Toshiba Corp 情報記憶媒体
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
US20060177623A1 (en) * 2005-02-08 2006-08-10 Tohru Yashiro Dye-based recordable DVD medium, and method and apparatus for recording and reproducing thereof
US7755995B2 (en) 2005-03-10 2010-07-13 Ricoh Company, Ltd. Recording and reproducing method for dye-based recordable DVD medium and apparatus for the same
US20070183995A1 (en) * 2006-02-09 2007-08-09 Conopco, Inc., D/B/A Unilever Compounds useful as agonists of A2A adenosine receptors, cosmetic compositions with A2A agonists and a method for using the same
JP5258666B2 (ja) * 2009-04-22 2013-08-07 株式会社半導体エネルギー研究所 発光装置の作製方法および成膜用基板

Family Cites Families (45)

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EP0385341B1 (de) * 1989-03-03 2000-05-24 TDK Corporation Medium für optische Datenspeicherung
JPH05579A (ja) * 1991-06-25 1993-01-08 Pioneer Electron Corp 光記録媒体
US5294471A (en) * 1993-02-01 1994-03-15 Eastman Kodak Company Optical information recording medium using metallized formazan dyes
WO1995007189A1 (fr) * 1993-09-09 1995-03-16 Ricoh Company, Ltd. Support d'enregistrement optique des donnees et produit absorbant les rayons proches de l'infrarouge
US5633106A (en) 1994-04-08 1997-05-27 Mitsui Toatsu Chemicals, Inc. Optical recording media and a method of recording and reproducing information
US5968708A (en) * 1994-04-20 1999-10-19 Ricoh Company, Ltd. Optical recording medium and method of producing the same
JPH07296415A (ja) * 1994-04-20 1995-11-10 Ricoh Co Ltd 光記録媒体及びその製造方法
JP3286721B2 (ja) * 1994-04-20 2002-05-27 株式会社リコー 光記録媒体及びその製造方法
US5863703A (en) * 1995-02-10 1999-01-26 Ricoh Company, Ltd. Optical information recording medium using a phthalocyanine compound
JP2791944B2 (ja) * 1995-02-27 1998-08-27 ティーディーケイ株式会社 ホルマザン金属錯体系色素を用いた光記録媒体および光安定化方法
JPH0966671A (ja) 1995-06-19 1997-03-11 Tdk Corp 光記録媒体
US5776656A (en) * 1995-07-28 1998-07-07 Tdk Corporation Optical recording medium
US6214519B1 (en) * 1995-08-22 2001-04-10 Mitsubishi Chemical Corporation Optical recording medium
JP3281907B2 (ja) 1995-12-20 2002-05-13 株式会社リコー 光記録媒体及びその製造方法
US5998093A (en) * 1996-01-29 1999-12-07 Ricoh Company, Ltd. Optical information recording medium
JP3486709B2 (ja) * 1996-06-21 2004-01-13 株式会社リコー 光記録媒体
JP3836192B2 (ja) * 1996-08-05 2006-10-18 株式会社リコー フタロシアニン化合物
US5773193A (en) * 1996-10-16 1998-06-30 Eastman Kodak Company Optical recording layers containing no k metallized formazan dyes mixed with symmetrical and unsymmetrical cyanine dyes
JPH10119434A (ja) * 1996-10-23 1998-05-12 Sony Corp 光記録媒体
JP3273497B2 (ja) * 1996-12-20 2002-04-08 株式会社リコー 光記録媒体及びその製造方法
JPH10297097A (ja) * 1997-04-28 1998-11-10 Ricoh Co Ltd 光記録媒体
JP3659548B2 (ja) * 1997-07-22 2005-06-15 株式会社リコー 光記録媒体
JP3309307B2 (ja) * 1997-07-31 2002-07-29 株式会社リコー 光記録媒体及びその製造方法
JPH1148612A (ja) 1997-08-01 1999-02-23 Mitsui Chem Inc 光記録媒体
JP3286905B2 (ja) * 1997-08-04 2002-05-27 株式会社リコー フタロシアニン化合物
JPH11138993A (ja) * 1997-11-11 1999-05-25 Matsushita Electric Ind Co Ltd 光記録媒体及び光記録再生方法
JPH11283328A (ja) * 1998-02-02 1999-10-15 Ricoh Co Ltd 光記録媒体および光記録媒体の情報消去方法および情報記録再生システム
TW459020B (en) * 1998-04-18 2001-10-11 Ind Tech Res Inst Novel cyanine dyes for high density optical recording disk
JP3685368B2 (ja) * 1998-08-18 2005-08-17 株式会社リコー 光記録媒体
JP3933350B2 (ja) * 1999-07-06 2007-06-20 株式会社リコー 光記録媒体
US6762008B2 (en) * 1999-07-06 2004-07-13 Ricoh Company, Ltd. Optical recording medium
JP2001026180A (ja) * 1999-07-13 2001-01-30 Hitachi Maxell Ltd 光記録媒体およびそれを用いた記録再生方法
JP2001093187A (ja) 1999-09-22 2001-04-06 Hitachi Maxell Ltd 光記録媒体
JP3865547B2 (ja) * 1999-11-12 2007-01-10 株式会社リコー 光記録媒体および光記録媒体の製造方法
JP3719889B2 (ja) 1999-11-29 2005-11-24 株式会社リコー 光記録媒体の記録方法および記録装置
JP3964086B2 (ja) * 1999-12-13 2007-08-22 株式会社リコー 情報記録再生装置
KR100799523B1 (ko) 1999-12-16 2008-01-31 교와 핫꼬 케미칼 가부시키가이샤 스쿠아리리움 화합물 및 이를 사용하여 제조된 광학적기록 매체
US6558768B2 (en) * 2000-03-07 2003-05-06 Ricoh Company, Ltd. Optical recording medium and optical recording and reading method using the same
JP4371551B2 (ja) * 2000-08-02 2009-11-25 市光工業株式会社 車両用灯具
US6741547B2 (en) 2000-08-10 2004-05-25 Ricoh Company, Ltd. Optical recording medium having short wobble period length
US20020037474A1 (en) * 2000-09-20 2002-03-28 Wen-Yih Liao Memory Layer of high-density recordable optical recording
JP2002127611A (ja) * 2000-10-30 2002-05-08 Ricoh Co Ltd 光記録媒体及びその製造方法
US20030064322A1 (en) * 2000-12-19 2003-04-03 Yoshinori Koyama Light absorbing agent
US7144677B2 (en) * 2001-03-21 2006-12-05 Ricoh Company, Ltd. Optical recording method and optical recording medium
US6794005B2 (en) * 2002-02-12 2004-09-21 Ricoh Company, Ltd. Optical recording medium, optical recording method and optical recording device

Also Published As

Publication number Publication date
US7449279B2 (en) 2008-11-11
US20030124459A1 (en) 2003-07-03
CN1193363C (zh) 2005-03-16
EP1308943A3 (de) 2003-09-17
DE60211449T2 (de) 2007-04-19
TWI234156B (en) 2005-06-11
ES2262745T3 (es) 2006-12-01
EP1308943B1 (de) 2006-05-17
US20050282085A1 (en) 2005-12-22
CN1414547A (zh) 2003-04-30
EP1308943A2 (de) 2003-05-07

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Legal Events

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