HK1010418A1 - Optical recording media and a method for recording on the optical recording media - Google Patents

Optical recording media and a method for recording on the optical recording media

Info

Publication number
HK1010418A1
HK1010418A1 HK98111069A HK98111069A HK1010418A1 HK 1010418 A1 HK1010418 A1 HK 1010418A1 HK 98111069 A HK98111069 A HK 98111069A HK 98111069 A HK98111069 A HK 98111069A HK 1010418 A1 HK1010418 A1 HK 1010418A1
Authority
HK
Hong Kong
Prior art keywords
optical recording
recording media
media
optical
recording
Prior art date
Application number
HK98111069A
Other languages
English (en)
Inventor
Gentaro Ohbayashi
Hitoshi Nobumasa
Kusato Hirota
Kunihisa Nagino
Takao Amioka
Original Assignee
Toray Industries
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 Toray Industries filed Critical Toray Industries
Publication of HK1010418A1 publication Critical patent/HK1010418A1/xx

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Classifications

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    • 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
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    • G11B7/253—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 substrates
    • G11B7/2533—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 substrates comprising resins
    • G11B7/2534—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 substrates comprising resins polycarbonates [PC]
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    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Optical Recording Or Reproduction (AREA)
HK98111069A 1995-03-28 1998-09-29 Optical recording media and a method for recording on the optical recording media HK1010418A1 (en)

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JP6995495 1995-03-28
JP21478495 1995-08-23
JP34420095 1995-12-28

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HK1010418A1 true HK1010418A1 (en) 1999-06-17

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HK98111069A HK1010418A1 (en) 1995-03-28 1998-09-29 Optical recording media and a method for recording on the optical recording media

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US (2) US5863702A (de)
EP (2) EP1189212A3 (de)
KR (1) KR100401282B1 (de)
CN (2) CN1149558C (de)
HK (1) HK1010418A1 (de)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6825132B1 (en) 1996-02-29 2004-11-30 Sanyo Electric Co., Ltd. Manufacturing method of semiconductor device including an insulation film on a conductive layer
JP3138661B2 (ja) * 1996-10-24 2001-02-26 日本電気株式会社 相変化型光ディスク
KR100383498B1 (ko) 1996-08-30 2003-08-19 산요 덴키 가부시키가이샤 반도체 장치 제조방법
JP3360542B2 (ja) * 1996-09-13 2002-12-24 日本電気株式会社 光学的情報記録媒体
ID21023A (id) * 1996-11-25 1999-04-08 Koninkl Philips Electronics Nv Media perekam optik
JP3255051B2 (ja) * 1996-12-05 2002-02-12 三菱化学株式会社 光学的情報記録用媒体
JPH10261242A (ja) * 1997-03-17 1998-09-29 Sony Corp 光ディスク
TW452793B (en) 1997-03-27 2001-09-01 Matsushita Electric Ind Co Ltd Recording and reproducing method for optical information recording medium, and optical information recording medium
EP1515317B1 (de) * 1997-04-09 2010-06-30 Ricoh Company, Ltd. Spurführungregelverfahren
US5972459A (en) * 1997-04-25 1999-10-26 Sony Corporation Optical recording medium and optical disk apparatus
JPH10320835A (ja) * 1997-05-19 1998-12-04 Nikon Corp 光ディスク
JPH1166612A (ja) * 1997-08-25 1999-03-09 Hitachi Ltd 相変化光ディスク媒体
US5986997A (en) * 1997-09-10 1999-11-16 Imation Corp. Updatable optical data storage disc having reduced crosstalk between tracks, and drive for same
US6690084B1 (en) 1997-09-26 2004-02-10 Sanyo Electric Co., Ltd. Semiconductor device including insulation film and fabrication method thereof
JP3685922B2 (ja) * 1997-11-05 2005-08-24 Ｔｄｋ株式会社 光記録媒体およびその記録方法
JPH11240252A (ja) * 1997-12-22 1999-09-07 Tdk Corp 光記録媒体
US6426936B1 (en) * 1998-01-27 2002-07-30 Ricoh Company, Ltd. Phase-change medium usable in phase-difference tracking
SG92631A1 (en) * 1998-03-20 2002-11-19 Sony Corp Optical recording medium, and method of manufacturing same
TW421790B (en) * 1998-04-20 2001-02-11 Koninkl Philips Electronics Nv Rewritable optical information medium
US6794283B2 (en) * 1998-05-29 2004-09-21 Sanyo Electric Co., Ltd. Semiconductor device and fabrication method thereof
RO121927B1 (ro) * 1999-01-08 2008-07-30 Koninklijke Philips Electronics N.V. Metodă de determinare a puterii optime de ştergere şi respectiv scriere, şi aparat pentru aplicarea acestei metode
JP2000231744A (ja) * 1999-02-09 2000-08-22 Sony Corp 光記録媒体
US6537721B2 (en) * 1999-02-15 2003-03-25 Tdk Corporation Optical recording medium and method for its initialization
KR100561382B1 (ko) * 1999-03-25 2006-03-16 삼성전자주식회사 광디스크 기판
JP2000348397A (ja) * 1999-03-29 2000-12-15 Tdk Corp 情報媒体、情報再生方法および情報再生装置
KR20010047949A (ko) * 1999-11-24 2001-06-15 윤종용 상변화 광디스크
JP4233224B2 (ja) * 2000-02-21 2009-03-04 Ｔｄｋ株式会社 光記録媒体
TW458446U (en) 2000-06-16 2001-10-01 Lucent Trans Electronics Co Lt External dialer of mobile phone with illumination function
US6445667B1 (en) 2000-07-11 2002-09-03 Iomega Corporation Optical servo writing
CN1447967A (zh) * 2000-08-17 2003-10-08 松下电器产业株式会社 光学信息记录介质及其记录和再现方法
US6886110B2 (en) * 2000-11-21 2005-04-26 Wind River Systems, Inc. Multiple device scan chain emulation/debugging
JP4814476B2 (ja) 2001-04-20 2011-11-16 Ｔｄｋ株式会社 光情報媒体の再生方法
US7161894B2 (en) * 2001-06-21 2007-01-09 Quantum Corporation Optical recording article
JP3859473B2 (ja) * 2001-08-30 2006-12-20 シャープ株式会社 スタンパの製造方法
JP2003162821A (ja) * 2001-11-27 2003-06-06 Tdk Corp 光記録媒体および光記録方法
US6899938B2 (en) * 2002-02-22 2005-05-31 Energy Conversion Devices, Inc. Phase change data storage device for multi-level recording
US6768665B2 (en) * 2002-08-05 2004-07-27 Intel Corporation Refreshing memory cells of a phase change material memory device
EP1615214A4 (de) * 2003-04-14 2008-07-23 Mitsubishi Kagaku Media Co Ltd Optisches aufzeichnungsmedium und aufzeichnungs-/wiedergabeverfahren dafür
CN100452185C (zh) * 2003-10-20 2009-01-14 皇家飞利浦电子股份有限公司 在光学数据载体上写入光学可读数据的方法和装置
JP2007529259A (ja) 2004-03-15 2007-10-25 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 磁気共鳴イメージング装置用の渦電流シールドを穿孔した主磁石
JP2006040445A (ja) * 2004-07-28 2006-02-09 Toshiba Corp 光ディスク及び情報再生装置
US20060075419A1 (en) * 2004-10-06 2006-04-06 Tdk Corporation Information recording medium
CN110313032A (zh) * 2017-02-24 2019-10-08 松下知识产权经营株式会社 信息记录介质及其制造方法、以及溅射靶

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH081707B2 (ja) * 1987-12-04 1996-01-10 松下電器産業株式会社 光学的情報記録媒体
US5273861A (en) * 1987-12-04 1993-12-28 Matsushita Electric Industrial Co., Ltd. Optical information recording medium, method of making an optical information recording medium and method of recording/reproducing optical information
US5291470A (en) * 1988-03-28 1994-03-01 Matsushita Electric Industrial Co., Ltd. Optical information recording method
CA2020243C (en) * 1989-06-30 1994-12-13 Eiji Ohno Optical information recording method and recording apparatus
US5289453A (en) * 1990-03-14 1994-02-22 Matsushita Electric Industrial Co., Ltd. Optical information recording method
US5241524A (en) * 1990-08-29 1993-08-31 Olympus Optical Co., Ltd. Method of edge recording on optical record medium
JP3160632B2 (ja) * 1991-09-27 2001-04-25 ソニー株式会社 光ディスクとその再生方法
US5367514A (en) * 1991-11-26 1994-11-22 Fuji Xerox Co., Ltd. Phase change optical recording device and method employing a laser beam with differently energized pulse portions
JP2830557B2 (ja) * 1991-12-10 1998-12-02 日本電気株式会社 相変化型光ディスク
EP0566107B1 (de) * 1992-04-17 1998-03-18 Matsushita Electric Industrial Co., Ltd. Optisches Informationsaufzeichnungsmedium und Verfahren zum Entwurf seiner Struktur
US5234803A (en) * 1992-05-21 1993-08-10 Eastman Kodak Company Optical recording media
JP2962052B2 (ja) * 1992-06-17 1999-10-12 松下電器産業株式会社 光学情報記録媒体
JPH06162507A (ja) * 1992-11-24 1994-06-10 Toshiba Corp 情報記録方法および情報記録装置
US5527661A (en) * 1992-11-25 1996-06-18 Matsushita Electric Industrial Co., Ltd. Optical information recording medium
US5490126A (en) * 1993-04-07 1996-02-06 Matsushita Electric Industrial Co., Ltd. Apparatus for recording and reproducing data on a disk
JP2684952B2 (ja) * 1993-04-07 1997-12-03 松下電器産業株式会社 ディスク記録方法およびディスク記録装置
JP2697555B2 (ja) * 1993-05-26 1998-01-14 松下電器産業株式会社 光情報記録媒体
JP2812181B2 (ja) * 1993-06-17 1998-10-22 日本電気株式会社 光学的情報記録媒体
JP3087598B2 (ja) * 1994-03-25 2000-09-11 東レ株式会社 光記録媒体

Also Published As

Publication number Publication date
EP0737967B8 (de) 2003-08-20
EP0737967B1 (de) 2002-06-26
KR960035486A (ko) 1996-10-24
CN1149558C (zh) 2004-05-12
US5888680A (en) 1999-03-30
CN1142657A (zh) 1997-02-12
KR100401282B1 (ko) 2004-02-05
EP0737967A3 (de) 1997-09-24
CN1514436A (zh) 2004-07-21
EP1189212A2 (de) 2002-03-20
EP1189212A3 (de) 2003-09-17
US5863702A (en) 1999-01-26
EP0737967A2 (de) 1996-10-16

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