DE3769752D1 - Festes polymerisches substrat fuer optische scheiben und optische scheiben, hergestellt aus diesem substrat. - Google Patents

Festes polymerisches substrat fuer optische scheiben und optische scheiben, hergestellt aus diesem substrat.

Info

Publication number
DE3769752D1
DE3769752D1 DE8787420255T DE3769752T DE3769752D1 DE 3769752 D1 DE3769752 D1 DE 3769752D1 DE 8787420255 T DE8787420255 T DE 8787420255T DE 3769752 T DE3769752 T DE 3769752T DE 3769752 D1 DE3769752 D1 DE 3769752D1
Authority
DE
Germany
Prior art keywords
substrate
optical disc
solid polymeric
hand
thermotropic
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 - Fee Related
Application number
DE8787420255T
Other languages
English (en)
Inventor
Claude Bonnebat
Alain Morin
Jean-Pierre Quentin
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.)
Rhodia Chimie SAS
Original Assignee
Rhone Poulenc Chimie SA
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 Rhone Poulenc Chimie SA filed Critical Rhone Poulenc Chimie SA
Application granted granted Critical
Publication of DE3769752D1 publication Critical patent/DE3769752D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252Record 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
    • G11B7/253Record 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
    • G11B7/2533Record 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
    • G11B7/2535Record 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 polyesters, e.g. PET, PETG or PEN
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32Component parts, details or accessories; Auxiliary operations
    • B29C43/36Moulds for making articles of definite length, i.e. discrete articles
    • B29C43/361Moulds for making articles of definite length, i.e. discrete articles with pressing members independently movable of the parts for opening or closing the mould, e.g. movable pistons
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2403Layers; Shape, structure or physical properties thereof
    • G11B7/24035Recording layers
    • G11B7/24038Multiple laminated recording layers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2403Layers; Shape, structure or physical properties thereof
    • G11B7/24047Substrates
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252Record 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
    • G11B7/253Record 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/021Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface
    • B29C2043/023Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface having a plurality of grooves
    • B29C2043/025Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface having a plurality of grooves forming a microstructure, i.e. fine patterning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/021Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31786Of polyester [e.g., alkyd, etc.]
DE8787420255T 1986-09-29 1987-09-24 Festes polymerisches substrat fuer optische scheiben und optische scheiben, hergestellt aus diesem substrat. Expired - Fee Related DE3769752D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8613715A FR2604553A1 (fr) 1986-09-29 1986-09-29 Substrat polymere rigide pour disque optique et les disques optiques obtenus a partir dudit substrat

Publications (1)

Publication Number Publication Date
DE3769752D1 true DE3769752D1 (de) 1991-06-06

Family

ID=9339463

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787420255T Expired - Fee Related DE3769752D1 (de) 1986-09-29 1987-09-24 Festes polymerisches substrat fuer optische scheiben und optische scheiben, hergestellt aus diesem substrat.

Country Status (13)

Country Link
US (1) US4959252A (de)
EP (1) EP0266279B1 (de)
JP (1) JPS63118243A (de)
KR (1) KR930005787B1 (de)
CN (1) CN1008846B (de)
AT (1) ATE63179T1 (de)
BR (1) BR8704985A (de)
DE (1) DE3769752D1 (de)
DK (1) DK509887A (de)
ES (1) ES2022435B3 (de)
FR (1) FR2604553A1 (de)
GR (1) GR3002347T3 (de)
PT (1) PT85804B (de)

Families Citing this family (90)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE37719E1 (en) * 1986-11-14 2002-05-28 Toshinori Sugiyama Optical data recording system and method of production of recording medium
US5219708A (en) * 1989-05-02 1993-06-15 Tdk Corporation Optical disk
US5340698A (en) * 1989-05-02 1994-08-23 Tdk Corporation Optical disk
JPH0354742A (ja) * 1989-07-21 1991-03-08 Japan Synthetic Rubber Co Ltd 光ディスク、その製造方法および読み取り方法
US5275903A (en) * 1992-05-07 1994-01-04 Xerox Corporation Modified thermotropic liquid crystalline compositions
JP3872829B2 (ja) * 1995-08-30 2007-01-24 株式会社東芝 着色薄膜パターンの製造方法
US6355198B1 (en) 1996-03-15 2002-03-12 President And Fellows Of Harvard College Method of forming articles including waveguides via capillary micromolding and microtransfer molding
US6334960B1 (en) * 1999-03-11 2002-01-01 Board Of Regents, The University Of Texas System Step and flash imprint lithography
US6873087B1 (en) 1999-10-29 2005-03-29 Board Of Regents, The University Of Texas System High precision orientation alignment and gap control stages for imprint lithography processes
US7432634B2 (en) 2000-10-27 2008-10-07 Board Of Regents, University Of Texas System Remote center compliant flexure device
EP2264522A3 (de) 2000-07-16 2011-12-14 The Board of Regents of The University of Texas System Verfahren zur Bildung einer Struktur auf einem Substrat
WO2002006902A2 (en) 2000-07-17 2002-01-24 Board Of Regents, The University Of Texas System Method and system of automatic fluid dispensing for imprint lithography processes
KR20030040378A (ko) 2000-08-01 2003-05-22 보드 오브 리전츠, 더 유니버시티 오브 텍사스 시스템 임프린트 리소그래피를 위한 투명한 템플릿과 기판사이의고정확성 갭 및 방향설정 감지 방법
AU2001286573A1 (en) 2000-08-21 2002-03-04 Board Of Regents, The University Of Texas System Flexure based macro motion translation stage
US7198747B2 (en) * 2000-09-18 2007-04-03 President And Fellows Of Harvard College Fabrication of ceramic microstructures
WO2002067055A2 (en) 2000-10-12 2002-08-29 Board Of Regents, The University Of Texas System Template for room temperature, low pressure micro- and nano-imprint lithography
CA2420031A1 (en) * 2000-10-17 2002-04-25 E.I. Du Pont De Nemours And Company Fine featured moldings of liquid crystalline polymers
US6964793B2 (en) 2002-05-16 2005-11-15 Board Of Regents, The University Of Texas System Method for fabricating nanoscale patterns in light curable compositions using an electric field
US20050064344A1 (en) * 2003-09-18 2005-03-24 University Of Texas System Board Of Regents Imprint lithography templates having alignment marks
US20080160129A1 (en) * 2006-05-11 2008-07-03 Molecular Imprints, Inc. Template Having a Varying Thickness to Facilitate Expelling a Gas Positioned Between a Substrate and the Template
US7179079B2 (en) * 2002-07-08 2007-02-20 Molecular Imprints, Inc. Conforming template for patterning liquids disposed on substrates
US7442336B2 (en) * 2003-08-21 2008-10-28 Molecular Imprints, Inc. Capillary imprinting technique
US7077992B2 (en) 2002-07-11 2006-07-18 Molecular Imprints, Inc. Step and repeat imprint lithography processes
US6932934B2 (en) 2002-07-11 2005-08-23 Molecular Imprints, Inc. Formation of discontinuous films during an imprint lithography process
US6916584B2 (en) 2002-08-01 2005-07-12 Molecular Imprints, Inc. Alignment methods for imprint lithography
US7071088B2 (en) 2002-08-23 2006-07-04 Molecular Imprints, Inc. Method for fabricating bulbous-shaped vias
US6936194B2 (en) * 2002-09-05 2005-08-30 Molecular Imprints, Inc. Functional patterning material for imprint lithography processes
US8349241B2 (en) 2002-10-04 2013-01-08 Molecular Imprints, Inc. Method to arrange features on a substrate to replicate features having minimal dimensional variability
US20040065252A1 (en) * 2002-10-04 2004-04-08 Sreenivasan Sidlgata V. Method of forming a layer on a substrate to facilitate fabrication of metrology standards
US6929762B2 (en) 2002-11-13 2005-08-16 Molecular Imprints, Inc. Method of reducing pattern distortions during imprint lithography processes
US6871558B2 (en) 2002-12-12 2005-03-29 Molecular Imprints, Inc. Method for determining characteristics of substrate employing fluid geometries
US7452574B2 (en) 2003-02-27 2008-11-18 Molecular Imprints, Inc. Method to reduce adhesion between a polymerizable layer and a substrate employing a fluorine-containing layer
US7179396B2 (en) 2003-03-25 2007-02-20 Molecular Imprints, Inc. Positive tone bi-layer imprint lithography method
US7323417B2 (en) * 2004-09-21 2008-01-29 Molecular Imprints, Inc. Method of forming a recessed structure employing a reverse tone process
US7186656B2 (en) * 2004-05-21 2007-03-06 Molecular Imprints, Inc. Method of forming a recessed structure employing a reverse tone process
US7122079B2 (en) 2004-02-27 2006-10-17 Molecular Imprints, Inc. Composition for an etching mask comprising a silicon-containing material
US7396475B2 (en) 2003-04-25 2008-07-08 Molecular Imprints, Inc. Method of forming stepped structures employing imprint lithography
US7157036B2 (en) 2003-06-17 2007-01-02 Molecular Imprints, Inc Method to reduce adhesion between a conformable region and a pattern of a mold
US7307118B2 (en) 2004-11-24 2007-12-11 Molecular Imprints, Inc. Composition to reduce adhesion between a conformable region and a mold
US7136150B2 (en) 2003-09-25 2006-11-14 Molecular Imprints, Inc. Imprint lithography template having opaque alignment marks
US20050098534A1 (en) * 2003-11-12 2005-05-12 Molecular Imprints, Inc. Formation of conductive templates employing indium tin oxide
US20050156353A1 (en) * 2004-01-15 2005-07-21 Watts Michael P. Method to improve the flow rate of imprinting material
US8076386B2 (en) 2004-02-23 2011-12-13 Molecular Imprints, Inc. Materials for imprint lithography
US7906180B2 (en) * 2004-02-27 2011-03-15 Molecular Imprints, Inc. Composition for an etching mask comprising a silicon-containing material
US7140861B2 (en) * 2004-04-27 2006-11-28 Molecular Imprints, Inc. Compliant hard template for UV imprinting
US20050253307A1 (en) * 2004-05-11 2005-11-17 Molecualr Imprints, Inc. Method of patterning a conductive layer on a substrate
KR101193918B1 (ko) * 2004-06-03 2012-10-29 몰레큘러 임프린츠 인코퍼레이티드 나노-스케일 제조공정을 위한 유체 배분방법과 필요에 따른액적 배분방법
US20070228593A1 (en) * 2006-04-03 2007-10-04 Molecular Imprints, Inc. Residual Layer Thickness Measurement and Correction
US7785526B2 (en) * 2004-07-20 2010-08-31 Molecular Imprints, Inc. Imprint alignment method, system, and template
US20060017876A1 (en) * 2004-07-23 2006-01-26 Molecular Imprints, Inc. Displays and method for fabricating displays
US7309225B2 (en) * 2004-08-13 2007-12-18 Molecular Imprints, Inc. Moat system for an imprint lithography template
US7105452B2 (en) * 2004-08-13 2006-09-12 Molecular Imprints, Inc. Method of planarizing a semiconductor substrate with an etching chemistry
US7939131B2 (en) 2004-08-16 2011-05-10 Molecular Imprints, Inc. Method to provide a layer with uniform etch characteristics
US7205244B2 (en) 2004-09-21 2007-04-17 Molecular Imprints Patterning substrates employing multi-film layers defining etch-differential interfaces
US7041604B2 (en) * 2004-09-21 2006-05-09 Molecular Imprints, Inc. Method of patterning surfaces while providing greater control of recess anisotropy
US7252777B2 (en) * 2004-09-21 2007-08-07 Molecular Imprints, Inc. Method of forming an in-situ recessed structure
US7547504B2 (en) 2004-09-21 2009-06-16 Molecular Imprints, Inc. Pattern reversal employing thick residual layers
US7241395B2 (en) * 2004-09-21 2007-07-10 Molecular Imprints, Inc. Reverse tone patterning on surfaces having planarity perturbations
US20060062922A1 (en) 2004-09-23 2006-03-23 Molecular Imprints, Inc. Polymerization technique to attenuate oxygen inhibition of solidification of liquids and composition therefor
US7244386B2 (en) * 2004-09-27 2007-07-17 Molecular Imprints, Inc. Method of compensating for a volumetric shrinkage of a material disposed upon a substrate to form a substantially planar structure therefrom
WO2006060757A2 (en) 2004-12-01 2006-06-08 Molecular Imprints, Inc. Eliminating printability of sub-resolution defects in imprint lithography
US7811505B2 (en) 2004-12-07 2010-10-12 Molecular Imprints, Inc. Method for fast filling of templates for imprint lithography using on template dispense
US7635263B2 (en) 2005-01-31 2009-12-22 Molecular Imprints, Inc. Chucking system comprising an array of fluid chambers
US20060177532A1 (en) * 2005-02-04 2006-08-10 Molecular Imprints, Inc. Imprint lithography method to control extrusion of a liquid from a desired region on a substrate
US20060177535A1 (en) * 2005-02-04 2006-08-10 Molecular Imprints, Inc. Imprint lithography template to facilitate control of liquid movement
US7636999B2 (en) 2005-01-31 2009-12-29 Molecular Imprints, Inc. Method of retaining a substrate to a wafer chuck
US20070228608A1 (en) * 2006-04-03 2007-10-04 Molecular Imprints, Inc. Preserving Filled Features when Vacuum Wiping
US20060266916A1 (en) * 2005-05-25 2006-11-30 Molecular Imprints, Inc. Imprint lithography template having a coating to reflect and/or absorb actinic energy
US7256131B2 (en) * 2005-07-19 2007-08-14 Molecular Imprints, Inc. Method of controlling the critical dimension of structures formed on a substrate
US8557351B2 (en) 2005-07-22 2013-10-15 Molecular Imprints, Inc. Method for adhering materials together
US7759407B2 (en) 2005-07-22 2010-07-20 Molecular Imprints, Inc. Composition for adhering materials together
US8808808B2 (en) 2005-07-22 2014-08-19 Molecular Imprints, Inc. Method for imprint lithography utilizing an adhesion primer layer
US20070074635A1 (en) * 2005-08-25 2007-04-05 Molecular Imprints, Inc. System to couple a body and a docking plate
US20070064384A1 (en) * 2005-08-25 2007-03-22 Molecular Imprints, Inc. Method to transfer a template transfer body between a motion stage and a docking plate
US7665981B2 (en) * 2005-08-25 2010-02-23 Molecular Imprints, Inc. System to transfer a template transfer body between a motion stage and a docking plate
US7670534B2 (en) 2005-09-21 2010-03-02 Molecular Imprints, Inc. Method to control an atmosphere between a body and a substrate
US7259102B2 (en) * 2005-09-30 2007-08-21 Molecular Imprints, Inc. Etching technique to planarize a multi-layer structure
US7906058B2 (en) 2005-12-01 2011-03-15 Molecular Imprints, Inc. Bifurcated contact printing technique
US7803308B2 (en) 2005-12-01 2010-09-28 Molecular Imprints, Inc. Technique for separating a mold from solidified imprinting material
JP4987012B2 (ja) 2005-12-08 2012-07-25 モレキュラー・インプリンツ・インコーポレーテッド 基板の両面パターニングする方法及びシステム
US7670530B2 (en) 2006-01-20 2010-03-02 Molecular Imprints, Inc. Patterning substrates employing multiple chucks
US7802978B2 (en) 2006-04-03 2010-09-28 Molecular Imprints, Inc. Imprinting of partial fields at the edge of the wafer
WO2007117524A2 (en) 2006-04-03 2007-10-18 Molecular Imprints, Inc. Method of concurrently patterning a substrate having a plurality of fields and alignment marks
US8850980B2 (en) 2006-04-03 2014-10-07 Canon Nanotechnologies, Inc. Tessellated patterns in imprint lithography
US8142850B2 (en) 2006-04-03 2012-03-27 Molecular Imprints, Inc. Patterning a plurality of fields on a substrate to compensate for differing evaporation times
US7547398B2 (en) 2006-04-18 2009-06-16 Molecular Imprints, Inc. Self-aligned process for fabricating imprint templates containing variously etched features
US8012395B2 (en) 2006-04-18 2011-09-06 Molecular Imprints, Inc. Template having alignment marks formed of contrast material
WO2007124007A2 (en) 2006-04-21 2007-11-01 Molecular Imprints, Inc. Method for detecting a particle in a nanoimprint lithography system
EP2874182A1 (de) * 2013-11-19 2015-05-20 Gemalto SA Verfahren zur Herstellung von elektronischen Vorrichtungen
CN108700679B (zh) * 2016-02-22 2021-01-15 夏普株式会社 光学部件的制造方法以及光学部件

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2615605C2 (de) * 1976-04-09 1978-06-01 Polygram Gmbh, 2000 Hamburg Scheibenförmiger Informationsträger und Verfahren zu seiner Herstellung
JPS57152550A (en) * 1981-03-17 1982-09-20 Fujitsu Ltd Structure of optical recording medium
JPS58177396A (ja) * 1982-04-13 1983-10-18 Tdk Corp 光記録媒体
JPS60155424A (ja) * 1984-01-26 1985-08-15 Daicel Chem Ind Ltd 大径のポリカ−ボネ−ト製光デイスク基板およびその製造法
GB8410515D0 (en) * 1984-04-25 1984-05-31 Ici Plc Laser-imageable assembly
JPS6190343A (ja) * 1984-10-09 1986-05-08 Polyplastics Co 光ディスク
FR2576027B1 (fr) * 1985-01-11 1987-02-06 Rhone Poulenc Rech Copolyesters aromatiques thermotropes
US4680211A (en) * 1985-07-25 1987-07-14 The Dow Chemical Company Recording disks
NL8502448A (nl) * 1985-09-06 1987-04-01 Philips Nv Optisch uitleesbare informatieschijf.

Also Published As

Publication number Publication date
ES2022435B3 (es) 1991-12-01
GR3002347T3 (en) 1992-12-30
DK509887D0 (da) 1987-09-28
KR880004448A (ko) 1988-06-07
JPS63118243A (ja) 1988-05-23
BR8704985A (pt) 1988-05-17
CN1008846B (zh) 1990-07-18
US4959252A (en) 1990-09-25
CN87106610A (zh) 1988-04-13
PT85804A (pt) 1988-10-14
EP0266279A1 (de) 1988-05-04
EP0266279B1 (de) 1991-05-02
KR930005787B1 (ko) 1993-06-24
ATE63179T1 (de) 1991-05-15
FR2604553A1 (fr) 1988-04-01
PT85804B (pt) 1993-08-31
DK509887A (da) 1988-03-30

Similar Documents

Publication Publication Date Title
DE3769752D1 (de) Festes polymerisches substrat fuer optische scheiben und optische scheiben, hergestellt aus diesem substrat.
KR880701438A (ko) 광 기록매체 광학 판독용 장치
ID18705A (id) Peralatan pemungut optis dan lensa objektif
EP0262680A3 (de) Nichtlineare optische Antwort dritter Ordnung zeigende Seitenkettenflüssigkristallpolymermittel
EP0874362A3 (de) Optisches Aufzeichnungsmedium und Gerät dafür
DE69020688D1 (de) Optische Plattenaufzeichnungsvorrichtung.
KR910002754B1 (ko) 광학식기록 디스크
DE69029491D1 (de) Optische Plattenaufzeichnungs/-wiedergabegerät
FR2607440B1 (fr) Methode de moulage de matiere plastique en un substrat en forme de disque pour un support d'enregistrement d'information optique
CA2000597A1 (en) Optical recording element
DE69230595D1 (de) Optische Platte mit metallischer Reflektionsschicht
FI905729A0 (fi) Foerfarande foer framstaellning av optiskt laesbara skivor, och skivor framstaellda med detta foerfarande.
US4448827A (en) Optically readable information disc comprising an envelope of cross-linked synthetic resin
DE3779476D1 (de) Loeschbare optische platte mit optisch transparentem substrat.
EP0858657A1 (de) Einseitige optische platten mit sehr hoher dichte
JPS6417234A (en) Optical information recording method and information recording medium
JPS5750337A (en) Information recording disk
JPS57172537A (en) Information storage medium
JPS57167149A (en) Optical recording medium
DE69019566D1 (de) Einrichtung zur Spurverfolgung für Gerät für optische Scheiben.
EP0379276A3 (de) Auswischbares optisches Aufzeichnungsmedium und Verfahren zum Schreiben, Lesen und/oder Auswischen in diesem Medium
CA2085383A1 (en) Optical disc and method for manufacturing the same
KR970076594A (ko) 고밀도 광 디스크
KR970017284A (ko) 광디스크 제조방법
JPH04228125A (ja) 光学式記録媒体

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee