CA2068618A1 - Optical recording medium and production thereof - Google Patents

Optical recording medium and production thereof

Info

Publication number
CA2068618A1
CA2068618A1 CA002068618A CA2068618A CA2068618A1 CA 2068618 A1 CA2068618 A1 CA 2068618A1 CA 002068618 A CA002068618 A CA 002068618A CA 2068618 A CA2068618 A CA 2068618A CA 2068618 A1 CA2068618 A1 CA 2068618A1
Authority
CA
Canada
Prior art keywords
layer
substrate
recording layer
peripheral portion
reflective layer
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.)
Abandoned
Application number
CA002068618A
Other languages
English (en)
French (fr)
Inventor
Tadahiko Mizukuki
Kouichi Yabuuchi
Shinichi Murakami
Tomoyoshi Sasakawa
Kouhei Shizuka
Nobuhisa Kitagawa
Sumio Hirose
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.)
Mitsui Toatsu Chemicals Inc
Original Assignee
Individual
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 JP3116024A external-priority patent/JP2993762B2/ja
Application filed by Individual filed Critical Individual
Publication of CA2068618A1 publication Critical patent/CA2068618A1/en
Abandoned 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
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/45—Joining of substantially the whole surface of the articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2017/00—Carriers for sound or information
    • B29L2017/001—Carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records
    • B29L2017/003—Records or discs
    • B29L2017/005—CD''s, DVD''s
    • 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
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/913—Material designed to be responsive to temperature, light, moisture
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
CA002068618A 1991-05-21 1992-05-13 Optical recording medium and production thereof Abandoned CA2068618A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP116024/1991 1991-05-21
JP3116024A JP2993762B2 (ja) 1991-05-21 1991-05-21 光記録媒体
JP28766391 1991-11-01
JP287663/1991 1991-11-01

Publications (1)

Publication Number Publication Date
CA2068618A1 true CA2068618A1 (en) 1992-11-22

Family

ID=26454415

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002068618A Abandoned CA2068618A1 (en) 1991-05-21 1992-05-13 Optical recording medium and production thereof

Country Status (7)

Country Link
US (2) US5424102A (en:Method)
EP (1) EP0514799B1 (en:Method)
KR (1) KR960002043B1 (en:Method)
CA (1) CA2068618A1 (en:Method)
DE (1) DE69217410T2 (en:Method)
SG (1) SG47988A1 (en:Method)
TW (1) TW232729B (en:Method)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100310223B1 (ko) * 1994-02-28 2001-12-28 윤종용 유기광기록매체및그의재기록방지방법
JPH087337A (ja) * 1994-06-22 1996-01-12 Pioneer Electron Corp 光記録媒体
US6249509B1 (en) * 1994-09-29 2001-06-19 Tdk Corporation Optical device with protective cover
JP3079963B2 (ja) * 1995-03-29 2000-08-21 日本ビクター株式会社 光ディスク及びその製造方法
WO1997004450A1 (de) * 1995-07-21 1997-02-06 Bod Berlin Optical Disc Gmbh Verfahren zur herstellung einer mittels laserstrahls abtastbaren, informationen aufweisenden scheibe und scheibe auf diese weise hergestellt
US5966369A (en) * 1997-04-23 1999-10-12 Eastman Kodak Company Reducing corrugations in optical recording discs
DE19742150C1 (de) 1997-09-24 1999-04-22 Siemens Nixdorf Inf Syst Verfahren zur Herstellung einer optischen Speicherplatte und zu deren Herstellung geeigneter CD-R-Plattenrohling
EP0932148A1 (en) * 1998-01-26 1999-07-28 Eastman Kodak Company Recordable elements comprising a super-sensitive markable phase-change layer
US6191384B1 (en) * 1998-05-05 2001-02-20 Tapematic S.P.A. Apparatus for trimming dye coated on a recordable disc substrate and related method
NL1012901C2 (nl) * 1999-08-25 2001-02-27 Odme Internat B V Werkwijze geschikt voor het vervaardigen van een schijfvormige optische registratiedrager alsmede een dergelijke optische registratiedrager.
JP2001344820A (ja) * 2000-06-06 2001-12-14 Pioneer Electronic Corp 光ディスク
CA2434538A1 (en) 2000-12-14 2002-10-17 Ecd Systems, Inc. Systems and methods for optical media modification
JP2003006948A (ja) * 2001-06-15 2003-01-10 Fuji Photo Film Co Ltd 光情報記録媒体の製造方法
US7562396B2 (en) * 2001-08-21 2009-07-14 Ecd Systems, Inc. Systems and methods for media authentication
JP4071956B2 (ja) * 2001-11-13 2008-04-02 Ｔｄｋ株式会社 多層光記録媒体
US7643393B2 (en) 2001-12-12 2010-01-05 Ecd Systems, Inc. Systems and methods for optical media modification
US7716485B2 (en) 2002-02-01 2010-05-11 Sca Ipla Holdings Inc. Systems and methods for media authentication
JP4067907B2 (ja) * 2002-08-08 2008-03-26 富士通株式会社 樹脂基板を有する記録媒体
US6875467B2 (en) * 2002-12-15 2005-04-05 Optinetrics, Inc. Crack resistant sol-gel wafer coatings for integrated optics
DE602004004524T2 (de) 2004-07-29 2007-11-08 Clariant Finance (Bvi) Ltd., Road Town Azoliganden auf der Basis von Aminoantipyrine und ihre Metallkomplexe zur Verwendung als optische Aufzeichnungsmedien
USD559248S1 (en) * 2006-02-16 2008-01-08 Sandisk Il Ltd Ring-shaped flash disk drive with cover
US20110096655A1 (en) * 2006-03-09 2011-04-28 Cinram International Inc. Forming light-transmitting cover layer for recording medium
US7910191B1 (en) * 2006-03-09 2011-03-22 Cinram International Inc. Method for forming light-transmitting cover layer for optical recording medium
JP4675812B2 (ja) * 2006-03-30 2011-04-27 株式会社東芝 磁気記録媒体、磁気記録装置および磁気記録媒体の製造方法
CN101093695B (zh) * 2006-06-23 2010-09-29 东莞宏威数码机械有限公司 一种dvdr光盘

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6010431A (ja) * 1983-06-29 1985-01-19 Canon Inc 光学的記録媒体
JP2526864B2 (ja) * 1986-04-16 1996-08-21 ソニー株式会社 光学記録媒体
EP0486482B1 (en) * 1986-12-20 1995-02-15 Kyodo Printing Co., Ltd. Optical recording card and method of producing the same
JPS63247935A (ja) * 1987-04-02 1988-10-14 Fuji Photo Film Co Ltd 情報記録媒体の製造方法
JP2525647B2 (ja) * 1988-07-19 1996-08-21 富士写真フイルム株式会社 光記録媒体
US4981743A (en) * 1988-07-25 1991-01-01 Unisys Corporation Overcoat composition for optical record
JP2663009B2 (ja) * 1989-03-09 1997-10-15 富士写真フイルム株式会社 情報記録媒体およびその製造方法
US5085910A (en) * 1989-07-12 1992-02-04 Hitachi Maxell, Ltd. Optical data recording medium and method of manufacturing the same
JPH04339332A (ja) * 1991-05-16 1992-11-26 Pioneer Electron Corp 光記録ディスクおよびその製造方法
JP3301621B2 (ja) * 1991-05-30 2002-07-15 ティーディーケイ株式会社 光記録ディスクの製造方法

Also Published As

Publication number Publication date
DE69217410T2 (de) 1997-08-21
US5424102A (en) 1995-06-13
TW232729B (en:Method) 1994-10-21
EP0514799B1 (en) 1997-02-12
KR920022236A (ko) 1992-12-19
EP0514799A1 (en) 1992-11-25
DE69217410D1 (de) 1997-03-27
US5486396A (en) 1996-01-23
KR960002043B1 (ko) 1996-02-09
SG47988A1 (en) 1998-04-17

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued