HK1059140A1 - Method of manufacturing an optical information medium - Google Patents

Method of manufacturing an optical information medium

Info

Publication number
HK1059140A1
HK1059140A1 HK04101950A HK04101950A HK1059140A1 HK 1059140 A1 HK1059140 A1 HK 1059140A1 HK 04101950 A HK04101950 A HK 04101950A HK 04101950 A HK04101950 A HK 04101950A HK 1059140 A1 HK1059140 A1 HK 1059140A1
Authority
HK
Hong Kong
Prior art keywords
manufacturing
optical information
information medium
medium
optical
Prior art date
Application number
HK04101950A
Other languages
English (en)
Inventor
Bernardus Hendriks
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of HK1059140A1 publication Critical patent/HK1059140A1/xx

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
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24035—Recording layers
    • G11B7/24038—Multiple laminated recording layers
    • 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
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24056—Light transmission layers lying on the light entrance side and being thinner than the substrate, e.g. specially adapted for Blu-ray® discs
    • 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
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24067—Combinations of two or more layers with specific interrelation
    • 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
    • G11B7/243—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 inorganic materials only, e.g. ablative layers
    • 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
    • G11B7/252—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
    • G11B7/254—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 protective topcoat layers
    • 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
    • G11B7/252—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
    • G11B7/257—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 layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
    • 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
    • G11B7/243—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 inorganic materials only, e.g. ablative layers
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24312—Metals or metalloids group 14 elements (e.g. Si, Ge, Sn)
    • 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
    • G11B7/243—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 inorganic materials only, e.g. ablative layers
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24314—Metals or metalloids group 15 elements (e.g. Sb, Bi)
    • 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
    • G11B7/243—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 inorganic materials only, e.g. ablative layers
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24316—Metals or metalloids group 16 elements (i.e. chalcogenides, Se, Te)
    • 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
    • G11B7/252—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
    • G11B7/257—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 layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
    • G11B2007/25705—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 layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials
    • 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
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • 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
    • G11B7/252—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
    • G11B7/254—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 protective topcoat layers
    • G11B7/2542—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 protective topcoat layers consisting essentially of organic resins
    • 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
    • G11B7/252—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
    • G11B7/2585—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 aluminium
    • 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
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
    • 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)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Optical Head (AREA)
HK04101950A 2001-01-25 2004-03-17 Method of manufacturing an optical information medium HK1059140A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP01200274 2001-01-25
PCT/IB2001/002687 WO2002059890A1 (fr) 2001-01-25 2001-12-20 Support d'informations optique et procede de fabrication dudit support

Publications (1)

Publication Number Publication Date
HK1059140A1 true HK1059140A1 (en) 2004-06-18

Family

ID=8179802

Family Applications (1)

Application Number Title Priority Date Filing Date
HK04101950A HK1059140A1 (en) 2001-01-25 2004-03-17 Method of manufacturing an optical information medium

Country Status (21)

Country Link
US (1) US7172797B2 (fr)
EP (2) EP1356467B1 (fr)
JP (2) JP4113777B2 (fr)
KR (2) KR100994944B1 (fr)
CN (2) CN1267917C (fr)
AR (2) AR032269A1 (fr)
AT (1) ATE321334T1 (fr)
BR (1) BRPI0109526B1 (fr)
CA (1) CA2435652C (fr)
CZ (1) CZ20023193A3 (fr)
DE (1) DE60118102T2 (fr)
ES (1) ES2260168T3 (fr)
HK (1) HK1059140A1 (fr)
HU (1) HU226989B1 (fr)
MX (1) MXPA02009214A (fr)
MY (1) MY128837A (fr)
PL (1) PL203965B1 (fr)
PT (1) PT1356467E (fr)
TW (1) TW583660B (fr)
WO (1) WO2002059890A1 (fr)
ZA (1) ZA200207649B (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW569210B (en) * 2001-03-14 2004-01-01 Sony Corp Optical disc
JP2002352469A (ja) * 2001-05-25 2002-12-06 Pioneer Electronic Corp 多層情報記録媒体及び情報記録再生装置
JP2003173572A (ja) * 2001-12-06 2003-06-20 Toshiba Corp 光ディスクとその記録再生装置
US20070111142A1 (en) * 2001-12-06 2007-05-17 Kazuo Watabe Optical disk and recording/reproducing apparatus
JP2003317314A (ja) 2002-04-16 2003-11-07 Sony Corp 光記録媒体
CN100541626C (zh) * 2002-06-05 2009-09-16 Lg电子株式会社 高密度双层光盘
ATE347166T1 (de) * 2002-08-28 2006-12-15 Koninkl Philips Electronics Nv Wiederbeschreibbarer träger optischer datenspeicherung sowie ein verfahren zu dessen einsatz
EP1394787A3 (fr) 2002-08-28 2006-11-22 Kabushiki Kaisha Toshiba Disque optique et appareil de disque optique
US6887547B2 (en) * 2002-10-18 2005-05-03 Matsushita Electrical Industrial Co., Ltd. Optical information recording medium
CN1711598A (zh) 2002-11-18 2005-12-21 旭硝子株式会社 具有赋予防皮脂污染性的硬涂层的光盘
JP4521282B2 (ja) * 2002-12-13 2010-08-11 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 書き換え可能型光記録担体
WO2005004130A1 (fr) * 2003-07-03 2005-01-13 Koninklijke Philips Electronics N.V. Support de stockage multicouche de donnees optiques et son utilisation
MXPA06001662A (es) * 2003-08-13 2006-05-12 Koninkl Philips Electronics Nv Portador de grabacion optico grabable para niveles multiples y metodo para escribir en el mismo.
US6972143B2 (en) * 2003-10-27 2005-12-06 Kyle Baldwin Protective U.V. curable cover layer for optical media
CN101044565A (zh) * 2004-10-19 2007-09-26 皇家飞利浦电子股份有限公司 母盘衬底和制作高密度浮雕结构的方法
WO2010047093A1 (fr) * 2008-10-24 2010-04-29 パナソニック株式会社 Tête optique, dispositif à disque optique et dispositif de traitement d'informations

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3558306B2 (ja) * 1994-07-26 2004-08-25 パイオニア株式会社 多層記録ディスク及びこれを用いた記録／再生システム
US5876822A (en) 1996-06-27 1999-03-02 U.S. Philips Corporation Reversible optical information medium
KR100586874B1 (ko) 1997-11-07 2006-06-07 코닌클리케 필립스 일렉트로닉스 엔.브이. 게르마늄-안티몬-텔루르 합금으로 구성된 재기록 가능한 광학 정보매체
KR100278786B1 (ko) * 1998-06-18 2001-01-15 구자홍 광기록매체와 광 기록/재생 방법 및 장치
US6379767B1 (en) * 1998-04-28 2002-04-30 Lg Electronics Inc. Optical recording medium with multiple recording layers and fabricating method thereof
US6175548B1 (en) * 1998-06-29 2001-01-16 Sony Corporation Optical recording medium and optical recording and reproducing apparatus
JP2000011452A (ja) 1998-06-29 2000-01-14 Sony Corp 光記録媒体と光記録再生装置
JP2000339761A (ja) * 1999-03-19 2000-12-08 Tdk Corp 光情報媒体およびその製造方法
US6410116B1 (en) 1999-03-19 2002-06-25 Tdk Corporation Optical information medium and its fabrication process
EP1047055A1 (fr) * 1999-04-22 2000-10-25 3M Innovative Properties Company Milieu d'enregistrement optique
JP2000322757A (ja) * 1999-05-12 2000-11-24 Sharp Corp 光記録再生装置
JP2001023237A (ja) * 1999-07-02 2001-01-26 Pioneer Electronic Corp 情報記録媒体
ATE254330T1 (de) * 2000-07-12 2003-11-15 Koninkl Philips Electronics Nv Optisches aufzeichnungsmedium mit verschiedenen aufzeichnungsschichten
EP1451816A1 (fr) * 2001-11-23 2004-09-01 Koninklijke Philips Electronics N.V. Support optique d'enregistrement de donnees a plusieurs piles et utilisation de ce support

Also Published As

Publication number Publication date
CZ20023193A3 (cs) 2003-03-12
DE60118102T2 (de) 2006-10-19
ZA200207649B (en) 2003-09-23
KR101001171B1 (ko) 2010-12-15
EP1356467B1 (fr) 2006-03-22
MY128837A (en) 2007-02-28
CA2435652C (fr) 2011-06-07
US7172797B2 (en) 2007-02-06
EP1356467A1 (fr) 2003-10-29
PL361765A1 (en) 2004-10-04
DE60118102D1 (de) 2006-05-11
US20020132082A1 (en) 2002-09-19
CN1805029A (zh) 2006-07-19
PT1356467E (pt) 2006-08-31
ES2260168T3 (es) 2006-11-01
EP1667136A3 (fr) 2008-05-28
AR032269A1 (es) 2003-10-29
BRPI0109526B1 (pt) 2015-07-14
WO2002059890A1 (fr) 2002-08-01
CN1419693A (zh) 2003-05-21
ATE321334T1 (de) 2006-04-15
EP1667136A2 (fr) 2006-06-07
CN1267917C (zh) 2006-08-02
KR20090080142A (ko) 2009-07-23
CA2435652A1 (fr) 2002-08-01
JP2007035276A (ja) 2007-02-08
KR100994944B1 (ko) 2010-11-18
CN100416682C (zh) 2008-09-03
JP2004518240A (ja) 2004-06-17
PL203965B1 (pl) 2009-11-30
TW583660B (en) 2004-04-11
JP4113777B2 (ja) 2008-07-09
HUP0300546A2 (en) 2003-07-28
MXPA02009214A (es) 2003-05-23
AR062971A2 (es) 2008-12-17
BR0109526A (pt) 2002-12-10
HU226989B1 (en) 2010-04-28
KR20020086688A (ko) 2002-11-18

Similar Documents

Publication Publication Date Title
EP1191525A3 (fr) Support d'enregistrement optique d'informations et procédé de fabrication d'un support d'enregistrement optique d'informations
HK1059140A1 (en) Method of manufacturing an optical information medium
AU2002354115A1 (en) Optical recording medium recording method and optical recording medium
SG91933A1 (en) Method of production of multilater optical recording medium
EP1363280A4 (fr) Procede de fabrication de support optique de donnees et support optique de donnees
EP1486963A4 (fr) Support d'enregistrement optique et son procede de fabrication
AU2002321549A1 (en) Method of providing information
EP1426939A4 (fr) Support optique d'enregistrement d'informations
EP1406253A4 (fr) Support d'enregistrement optique, disque original pour support d'enretistrement optique, et procede de fabrication du disque original
SG108875A1 (en) Optical information medium
EP1575041A4 (fr) Support d'enregistrement d'informations optique et procede de fabrication de celui-ci
EP1403861A4 (fr) Procede de production de supports d'enregistrement d'informations optiques
HK1050073A1 (zh) 光信息記錄媒體、光盤原模和光盤原模的製造方法
EP1406255A4 (fr) Procede de fabrication d'un support d'enregistrement d'information optique et appareil de fabrication
EP1453042A4 (fr) Support et procede d'enregistrement optique
AU2002361115A1 (en) Multi-layered optical recording medium manufacturing method and multi-layered optical recording medium
EP1548722A4 (fr) Support d'information optique et procede de fabrication
EP1288930A3 (fr) Procédé d'enregistrement optique utilisant support d'enregistrement optique
EP1369859A4 (fr) Support d'enregistrement optique et son procede de fabrication
EP1426940A4 (fr) Support d'enregistrement optique et procede d'enregistrement correspondant
EP1429325A4 (fr) Procede de production de support d'enregistrement optique
EP1383116A4 (fr) Procede d'enregistrement optique
AU2002359927A1 (en) Multi-layered optical recording medium and multi-layered optical recording medium manufacturing method
AU2003292692A8 (en) Optical information recording medium and optical information recording medium manufacturing method
EP1655728A4 (fr) Support optique d'enregistrement d'informations, et son procede de production

Legal Events

Date Code Title Description
PE Patent expired

Effective date: 20211219