FR2457538A1 - Disque d'information lisible par voie optique, son procede de fabrication ainsi que dispositif pour la mise en oeuvre dudit procede - Google Patents

Disque d'information lisible par voie optique, son procede de fabrication ainsi que dispositif pour la mise en oeuvre dudit procede

Info

Publication number
FR2457538A1
FR2457538A1 FR8011590A FR8011590A FR2457538A1 FR 2457538 A1 FR2457538 A1 FR 2457538A1 FR 8011590 A FR8011590 A FR 8011590A FR 8011590 A FR8011590 A FR 8011590A FR 2457538 A1 FR2457538 A1 FR 2457538A1
Authority
FR
France
Prior art keywords
optically readable
readable information
information
information disc
carrying
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.)
Withdrawn
Application number
FR8011590A
Other languages
English (en)
Inventor
Egbert Broeksema
Arnoldus Adrianus Smeets
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2457538A1 publication Critical patent/FR2457538A1/fr
Withdrawn legal-status Critical Current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
    • G11B7/26—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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0888—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using transparant moulds
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/021—Compression 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
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/54—Compensating volume change, e.g. retraction
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D17/00—Producing carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records; Producing record discs from master stencils
    • B29D17/005—Producing optically read record carriers, e.g. optical discs
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C2033/0005—Moulds or cores; Details thereof or accessories therefor with transparent parts, e.g. permitting visual inspection of the interior of the cavity
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/0827—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using UV radiation
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
    • B29C2045/0075—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping curing or polymerising by irradiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material
    • B29K2033/04—Polymers of esters
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Toxicology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Thermal Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Macromonomer-Based Addition Polymer (AREA)

Abstract

L'INVENTION CONCERNE UN DISQUE D'INFORMATION LISIBLE PAR VOIE OPTIQUE, UN PROCEDE POUR LA REALISATION DUDIT DISQUE AINSI QU'UN DISPOSITIF POUR LA MISE EN OEUVRE DUDIT PROCEDE. LE DISQUE D'INFORMATION, QUI CONTIENT UNE PISTE D'INFORMATION LISIBLE PAR VOIE OPTIQUE, CONSTITUEE PAR DES DOMAINES D'INFORMATIONS SITUES ALTERNATIVEMENT A UN NIVEAU PLUS ELEVE ET A UN NIVEAU PLUS BAS, EST ENTIEREMENT REALISE EN UN VERNIS DURCISSANT PAR RAYONNEMENT ET CONTENANT DES ACRYLATES OU DES METHACRYLATES OLIGOMERE CONTENANT, EN MOYENNE PAR MOLECULE, UN A QUATRE GROUPE(S) D'ACRYLATES OU DE METHACRYLATES, VERNIS QUI PRESENTE UNE VISCOSITE DE 1000 A 15000CP ET UN PHOTO-INITIATEUR DANS UNE CONCENTRATION DE 0,1 A 0,5 EN POIDS. DES VERNIS APPROPRIES CONTIENNENT NOTAMMENT 1,1-ISOPROPYLENE-BIS (P-PHENOXYETHYLMETHACRYLATE) OU 1,1-ISOPROPYLENE-BIS (P-PHENOXYETHYLACRYLATE). APPLICATION: ENREGISTREMENT ET LECTURE D'INFORMATIONS.
FR8011590A 1979-05-25 1980-05-23 Disque d'information lisible par voie optique, son procede de fabrication ainsi que dispositif pour la mise en oeuvre dudit procede Withdrawn FR2457538A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7904113A NL7904113A (nl) 1979-05-25 1979-05-25 Optisch uitleesbare informatieschijf, werkwijze voor de vervaardiging ervan alsmede een inrichting voor het uitvoeren van deze werkwijze.

Publications (1)

Publication Number Publication Date
FR2457538A1 true FR2457538A1 (fr) 1980-12-19

Family

ID=19833247

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8011590A Withdrawn FR2457538A1 (fr) 1979-05-25 1980-05-23 Disque d'information lisible par voie optique, son procede de fabrication ainsi que dispositif pour la mise en oeuvre dudit procede

Country Status (18)

Country Link
US (1) US4477328A (fr)
JP (1) JPS55160338A (fr)
AT (1) AT368656B (fr)
AU (1) AU5868680A (fr)
BE (1) BE883472A (fr)
BR (1) BR8003206A (fr)
CA (1) CA1143476A (fr)
DD (1) DD150868A5 (fr)
DE (1) DE3019189A1 (fr)
DK (1) DK223580A (fr)
ES (1) ES8102397A1 (fr)
FR (1) FR2457538A1 (fr)
GB (1) GB2052543B (fr)
IT (1) IT1130662B (fr)
NL (1) NL7904113A (fr)
NZ (1) NZ193809A (fr)
SE (1) SE8003851L (fr)
ZA (1) ZA802338B (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0060377A2 (fr) * 1981-03-14 1982-09-22 VDO Adolf Schindling AG Appareil pour réunir deux substrats par pressage
EP0106641A1 (fr) * 1982-10-18 1984-04-25 Minnesota Mining And Manufacturing Company Composition polymérisable pour supports d'informations
EP0142367A2 (fr) * 1983-11-14 1985-05-22 Rohm And Haas Company Procédé pour appliquer une couche polymérique sur un substrat
EP0156372A2 (fr) * 1984-03-28 1985-10-02 Hitachi, Ltd. Procédé et constitution de résine pour la production d'un milieu d'enregistrement d'information
EP0211330A2 (fr) * 1985-07-26 1987-02-25 Hitachi, Ltd. Substrat pour disque optique et son procédé de fabrication
EP0255595A2 (fr) * 1986-07-04 1988-02-10 Bayer Ag Procédé de fabrication de pièces moulées à faibles tensions
EP0280028A2 (fr) * 1987-02-27 1988-08-31 Hitachi, Ltd. Disque d'information optique
EP0288580A1 (fr) * 1986-10-30 1988-11-02 Dai Nippon Insatsu Kabushiki Kaisha Méthode de fabrication d'un support optique flexible d'informations
EP0338906A2 (fr) * 1988-04-16 1989-10-25 Daicel Chemical Industries, Ltd. Procédé de moulage d'un substrat formaté pour disque optique et moule pour la mise en oeuvre du procédé

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5677905A (en) * 1979-11-28 1981-06-26 Matsushita Electric Ind Co Ltd Disk record
JPS5687203A (en) * 1979-12-18 1981-07-15 Toppan Printing Co Ltd Manufacture of disk
DE3028498A1 (de) * 1980-07-26 1982-03-04 Röhm GmbH, 6100 Darmstadt Verbesserte, optisch abzulesende, informationsspeicherplatten und verfahren zu ihrer herstellung
NL8101515A (nl) * 1981-03-27 1982-10-18 Philips Nv Optisch uitleesbare informatieschijf en werkwijze voor de vervaardiging ervan.
JPS58108044A (ja) * 1981-12-22 1983-06-28 Pioneer Electronic Corp 光学式デイスク
NL8300960A (nl) * 1983-03-17 1984-10-16 Philips Nv Optische registatieschijf.
NL8301070A (nl) * 1983-03-28 1984-10-16 Philips Nv Matrijs en methode voor de vervaardiging van voorwerpen uit kunststof door toepassing van de matrijs.
JPS613339A (ja) * 1984-06-18 1986-01-09 Hitachi Ltd 高密度情報記録円板複製用スタンパおよびその製造方法
EP0187958A3 (fr) * 1984-12-14 1988-03-16 Toray Industries, Inc. Résine pour milieu d'enregistrement d'informations
US4619804A (en) * 1985-04-15 1986-10-28 Eastman Kodak Company Fabricating optical record media
DE3681366D1 (de) 1985-07-31 1991-10-17 Du Pont Optische beschichtungszusammensetzung.
FR2592221B1 (fr) * 1985-12-20 1988-02-12 Radiotechnique Compelec Procede d'encapsulation d'un composant electronique au moyen d'une resine synthetique
US4906675A (en) * 1986-02-12 1990-03-06 Mitsui Petrochemical Industries, Ltd. Active energy ray-curable composition
US5160462A (en) * 1986-02-14 1992-11-03 Canon Kabushiki Kaisha Preparing optical memory medium by laminating a thermoplastic resin layer on a thermosetting resin sheet
JPS6396755A (ja) * 1986-10-13 1988-04-27 Pioneer Electronic Corp 光学式情報記録円盤の製造方法
JPS63158501A (ja) * 1986-12-23 1988-07-01 Dainippon Ink & Chem Inc 光デイスク基板の製造方法
DE3719200A1 (de) * 1987-06-09 1988-12-29 Ibm Deutschland Optische speicherplatte und verfahren zu ihrer herstellung
JP2636903B2 (ja) * 1988-09-30 1997-08-06 株式会社リコー 光ディスク基板の射出成形用金型
JP2570402B2 (ja) * 1988-09-30 1997-01-08 日本ビクター株式会社 光学式情報記録媒体成型装置
JP2564638B2 (ja) * 1988-12-30 1996-12-18 太陽誘電株式会社 コンパクトディスクの製造方法
JP2822251B2 (ja) * 1990-01-31 1998-11-11 ソニー株式会社 ディスク基板製造装置
DE69211198T2 (de) * 1991-03-26 1996-10-31 Canon Kk Verfahren zum Herstellen von Formteilen aus Kunststoff mit Reliefmustern auf der Oberfläche
JP2562895Y2 (ja) * 1991-09-24 1998-02-16 能美防災株式会社 炎感知器
US5922238A (en) * 1997-02-14 1999-07-13 Physical Optics Corporation Method of making replicas and compositions for use therewith
KR100402925B1 (ko) 1997-06-19 2003-10-24 보든 케미칼, 인코포레이티드 코팅된 광학 디스크
SE9903255L (sv) * 1999-09-13 2001-03-14 Aamic Ab Förfarande för att framställa en matris samt en matris sålunda framställd.(Hybridtillämpningen)
US6368682B1 (en) 1999-10-22 2002-04-09 3M Innovative Properties Company Composition and structures made therefrom
US6929761B2 (en) * 2001-04-19 2005-08-16 Sagoma Plastics Corporation Molded hologram apparatus method and product
TW531742B (en) * 2001-10-30 2003-05-11 Ritek Corp Manufacturing method for disk cover layer
AU2002367417A1 (en) * 2002-01-11 2003-07-24 Koninklijke Philips Electronics N.V. Method of manufacturing a replica as well as a replica obtained by carrying out an uv light-initiated cationic polymerization
AU2003213145A1 (en) * 2002-02-22 2003-09-09 Idea, Inc. Portable holographic marking unit
AU2002319655A1 (en) * 2002-07-24 2004-02-09 Sagoma Plastics Corporation Molded hologram apparatus method and product
JP4340086B2 (ja) * 2003-03-20 2009-10-07 株式会社日立製作所 ナノプリント用スタンパ、及び微細構造転写方法
US7790231B2 (en) * 2003-07-10 2010-09-07 Brewer Science Inc. Automated process and apparatus for planarization of topographical surfaces
JP4393244B2 (ja) * 2004-03-29 2010-01-06 キヤノン株式会社 インプリント装置
US8202460B2 (en) * 2005-09-22 2012-06-19 International Business Machines Corporation Microelectronic substrate having removable edge extension element
DE102008022596A1 (de) * 2008-05-07 2009-11-12 Kraussmaffei Technologies Gmbh Verfahren und Vorrichtung zur Herstellung eines beschichteten Bauteils
DE102009055088B4 (de) 2009-12-21 2015-04-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zum Herstellen einer Struktur, optisches Bauteil, optischer Schichtstapel
DE102009055080B4 (de) * 2009-12-21 2019-11-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Vorrichtung zum Herstellen einer Struktur, Abformwerkzeug
NL2004658C2 (nl) 2010-05-04 2011-11-07 Ppe Holland Werkwijze, samenstel en inrichting voor het op een substraat aanbrengen van een gestructureerde laag.
TW201637734A (zh) * 2015-04-17 2016-11-01 鴻海精密工業股份有限公司 成膜裝置及成膜方法
KR101889078B1 (ko) * 2016-06-22 2018-08-16 주식회사 엘지화학 광학용 필름 및 이를 포함하는 편광판

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4001098A (en) * 1973-12-26 1977-01-04 Akzona Incorporated Compositions curable by exposure to ultra violet light in the presence of chloro-substituted acetophenones
FR2367598A1 (fr) * 1976-10-15 1978-05-12 Philips Nv Procede pour la multiplication de porteurs d'i
FR2384404A1 (fr) * 1977-03-14 1978-10-13 Philips Nv Procede pour la realisation d'un porteur d'information en matiere synthetique presentant une structure stratifiee et dispositif pour la mise en oeuvre dudit procede
DE2929313A1 (de) * 1978-07-20 1980-01-31 Minnesota Mining & Mfg Formkoerper mit mikrostrukturierter oberflaeche sowie verfahren und formmassen zu deren herstellung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3658954A (en) * 1968-07-24 1972-04-25 Mca Technology Inc Duplicating process for video disc records
US4041530A (en) * 1971-03-04 1977-08-09 U.S. Philips Corporation Video disc with phase structure
US4057831A (en) * 1972-09-05 1977-11-08 U.S. Philips Corporation Video record disc manufactured by a process involving chemical or sputter etching
JPS5148664B2 (fr) * 1973-03-23 1976-12-22
NL164688C (nl) * 1973-10-15 1981-01-15 Mca Disco Vision Werkwijze voor de vervaardiging van een videoschijf waarbij uitgaande van een moedermatrijs eerst een vorm wordt vervaardigd.
FR2397931A1 (fr) * 1977-07-22 1979-02-16 Thomson Brandt Procede de reproduction de disque support d'information et disque obtenu par un tel procede
NL7713710A (nl) * 1977-12-12 1979-06-14 Philips Nv Schijfvormige informatiedrager met afdeklagen.
US4154896A (en) * 1978-02-17 1979-05-15 Westinghouse Electric Corp. Photosensitive solventless oil free low viscosity coating composition

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4001098A (en) * 1973-12-26 1977-01-04 Akzona Incorporated Compositions curable by exposure to ultra violet light in the presence of chloro-substituted acetophenones
FR2367598A1 (fr) * 1976-10-15 1978-05-12 Philips Nv Procede pour la multiplication de porteurs d'i
FR2384404A1 (fr) * 1977-03-14 1978-10-13 Philips Nv Procede pour la realisation d'un porteur d'information en matiere synthetique presentant une structure stratifiee et dispositif pour la mise en oeuvre dudit procede
DE2929313A1 (de) * 1978-07-20 1980-01-31 Minnesota Mining & Mfg Formkoerper mit mikrostrukturierter oberflaeche sowie verfahren und formmassen zu deren herstellung

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0060377A2 (fr) * 1981-03-14 1982-09-22 VDO Adolf Schindling AG Appareil pour réunir deux substrats par pressage
EP0060377A3 (fr) * 1981-03-14 1985-12-11 VDO Adolf Schindling AG Appareil pour réunir deux substrats par pressage
EP0106641A1 (fr) * 1982-10-18 1984-04-25 Minnesota Mining And Manufacturing Company Composition polymérisable pour supports d'informations
EP0142367A3 (en) * 1983-11-14 1986-05-21 Rohm And Haas Company Process for forming a polymeric layer on a substrate
EP0142367A2 (fr) * 1983-11-14 1985-05-22 Rohm And Haas Company Procédé pour appliquer une couche polymérique sur un substrat
EP0156372A3 (en) * 1984-03-28 1988-01-07 Hitachi, Ltd. Process for producing plastic information-recording medium and resin composition used therefor
EP0156372A2 (fr) * 1984-03-28 1985-10-02 Hitachi, Ltd. Procédé et constitution de résine pour la production d'un milieu d'enregistrement d'information
EP0211330A2 (fr) * 1985-07-26 1987-02-25 Hitachi, Ltd. Substrat pour disque optique et son procédé de fabrication
EP0211330A3 (en) * 1985-07-26 1988-01-07 Hitachi, Ltd. Optical disc base plate and process for producing the same
EP0255595A2 (fr) * 1986-07-04 1988-02-10 Bayer Ag Procédé de fabrication de pièces moulées à faibles tensions
EP0255595A3 (en) * 1986-07-04 1989-07-26 Bayer Ag Method for producing moulded low-tension components
EP0288580A4 (fr) * 1986-10-30 1989-02-23 Dainippon Printing Co Ltd Support optique flexible d'enregistrement d'informations et son procede de production.
EP0288580A1 (fr) * 1986-10-30 1988-11-02 Dai Nippon Insatsu Kabushiki Kaisha Méthode de fabrication d'un support optique flexible d'informations
EP0422692A1 (fr) * 1986-10-30 1991-04-17 Dai Nippon Insatsu Kabushiki Kaisha Médium d'enregistrement d'information optique flexible et son procédé de fabrication
EP0424986A1 (fr) * 1986-10-30 1991-05-02 Dai Nippon Insatsu Kabushiki Kaisha Procédé et appareil pour la fabrication d'un médium d'enregistrement optique flexible
EP0280028A2 (fr) * 1987-02-27 1988-08-31 Hitachi, Ltd. Disque d'information optique
EP0280028A3 (en) * 1987-02-27 1990-09-05 Hitachi, Ltd. An optical information medium
EP0338906A2 (fr) * 1988-04-16 1989-10-25 Daicel Chemical Industries, Ltd. Procédé de moulage d'un substrat formaté pour disque optique et moule pour la mise en oeuvre du procédé
EP0338906B1 (fr) * 1988-04-16 1994-10-05 Daicel Chemical Industries, Ltd. Procédé de moulage d'un substrat formaté pour disque optique et moule pour la mise en oeuvre du procédé

Also Published As

Publication number Publication date
BR8003206A (pt) 1980-12-30
JPS55160338A (en) 1980-12-13
DE3019189A1 (de) 1980-12-04
GB2052543A (en) 1981-01-28
US4477328A (en) 1984-10-16
SE8003851L (sv) 1980-11-26
AT368656B (de) 1982-10-25
ES491796A0 (es) 1980-12-16
DD150868A5 (de) 1981-09-23
IT8022267A0 (it) 1980-05-22
NL7904113A (nl) 1980-11-27
AU5868680A (en) 1980-11-27
ZA802338B (en) 1981-11-25
BE883472A (fr) 1980-11-24
NZ193809A (en) 1982-09-07
GB2052543B (en) 1983-04-07
CA1143476A (fr) 1983-03-22
ES8102397A1 (es) 1980-12-16
ATA275080A (de) 1982-02-15
IT1130662B (it) 1986-06-18
DK223580A (da) 1980-11-26

Similar Documents

Publication Publication Date Title
FR2457538A1 (fr) Disque d'information lisible par voie optique, son procede de fabrication ainsi que dispositif pour la mise en oeuvre dudit procede
Fooden Breakup of Pangaea and isolation of relict mammals in Australia, South America, and Madagascar
AT374606B (de) Aufzeichnungstraeger, in dem informationen in einer optisch auslesbaren informationsstrukur von in spuren angeordneten informationsgebieten angebracht sind
FR2420182B1 (fr) Procede, dispositif et corps porteur d'enregistrement pour l'enregistrement d'information par voie optique
AT369915B (de) Optisch auslesbarer aufzeichnungstraeger, vorrichtung zur herstellung eines derartigen aufzeichnungstraegers, sowie vorrichtung zum aufzeichnen und/oder wiedergeben von dateninformation in oder gegebenenfalls von einem derartigen aufzeichnungstraeger
ES2035318T3 (es) Analizador de la asimetria de particulas.
GB1492556A (en) Method for fluorescence analysis of white cells
DE3687560D1 (de) Datentraeger mit einem optischen echtheitsmerkmal sowie verfahren zur herstellung und pruefung des datentraegers.
BE821103A (fr) Porte-enregistrement dans lequel de l'information est enregistree dans une structure lisible par voie optique
DE69332814T2 (de) System zur Informationswiedergabe für optische Punktcode-Ablesung von einem Aufzeichnungsmedium
DE3581082D1 (de) Kartenfoermiger datentraeger und verfahren zu seiner herstellung.
FR2490858B1 (fr) Milieu d'enregistrement optique a sensibilite variable et disque contenant de l'information, realise a l'aide d'un tel milieu
BE752563A (fr) Procede de dispositif pour la discrimination et/ou l'identification de materiaux presentant des proprietes optiques, tels que des pierres precieuses
Parker A Neglected Human Resource in Amazonia: The Amazon" Caboclo"
ATE43451T1 (de) Geraet zum aufzeichnen und/oder wiedergeben von informationen in/von einer spur eines reflektierenden informationstraegers, welches geraet ein fokussierungssteuersystem mit verringerter empfindlichkeit der versetzung des strahlungsflecks enthaelt.
FR2497361B1 (fr) Articles en sulfure de zinc ou en seleniure de zinc polycristallins ayant une qualite optique amelioree et procede de traitement d'un element optique pour ameliorer ses caracteristiques optiques
ATE41259T1 (de) Geraet zur wiedergabe von informationen auf einem optisch lesbaren informationstraeger.
FR2414267A1 (fr) Decodeur interpole pcm
FR2448197A1 (fr) Procede et dispositif d'identification de documents
Packter Inverted rhythmic precipitation
Martin et al. Reverse factor analysis: A modification of relevance tree techniques
DE3776639D1 (de) Verfahren zur regelung der rotationsgeschwindigkeit einer informationsaufzeichnungsplatte.
Zipkin et al. The citrate content of teeth
IT1140225B (it) Vettore di registrazione con struttura informazionale leggibile per via ottica ed apparecchiatura per la lettura di detto vettore
Squires Relative durations of the tertiary series and stages in New Zealand

Legal Events

Date Code Title Description
ST Notification of lapse