FR2671657B1 - Disque optique ou matrice de pressage pour la fabrication de tels disques. - Google Patents

Disque optique ou matrice de pressage pour la fabrication de tels disques.

Info

Publication number
FR2671657B1
FR2671657B1 FR9100428A FR9100428A FR2671657B1 FR 2671657 B1 FR2671657 B1 FR 2671657B1 FR 9100428 A FR9100428 A FR 9100428A FR 9100428 A FR9100428 A FR 9100428A FR 2671657 B1 FR2671657 B1 FR 2671657B1
Authority
FR
France
Prior art keywords
discs
manufacture
optical disc
pressing matrix
matrix
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
FR9100428A
Other languages
English (en)
Other versions
FR2671657A1 (fr
Inventor
Jean-Francois Dufresne
Jean Ledieu
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.)
Digipress
Original Assignee
Digipress
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 Digipress filed Critical Digipress
Priority to FR9100428A priority Critical patent/FR2671657B1/fr
Publication of FR2671657A1 publication Critical patent/FR2671657A1/fr
Application granted granted Critical
Publication of FR2671657B1 publication Critical patent/FR2671657B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • G11B7/263—Preparing and using a stamper, e.g. pressing or injection molding substrates

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Optical Record Carriers (AREA)
FR9100428A 1991-01-16 1991-01-16 Disque optique ou matrice de pressage pour la fabrication de tels disques. Expired - Fee Related FR2671657B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9100428A FR2671657B1 (fr) 1991-01-16 1991-01-16 Disque optique ou matrice de pressage pour la fabrication de tels disques.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9100428A FR2671657B1 (fr) 1991-01-16 1991-01-16 Disque optique ou matrice de pressage pour la fabrication de tels disques.

Publications (2)

Publication Number Publication Date
FR2671657A1 FR2671657A1 (fr) 1992-07-17
FR2671657B1 true FR2671657B1 (fr) 1995-04-07

Family

ID=9408717

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9100428A Expired - Fee Related FR2671657B1 (fr) 1991-01-16 1991-01-16 Disque optique ou matrice de pressage pour la fabrication de tels disques.

Country Status (1)

Country Link
FR (1) FR2671657B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9300126A (nl) * 1993-01-22 1994-08-16 Od & Me Bv Substraatplaat voor vervaardiging van matrijs voor produktie van optische registratiedragers en werkwijze voor het vervaardigen daarvan.
FR2701152B1 (fr) * 1993-02-03 1995-03-10 Digipress Sa Procédé de fabrication d'un disque maître pour la réalisation d'une matrice de pressage notamment de disques optiques, matrice de pressage obtenue par ce procédé et disque optique obtenu à partir de cette matrice de pressage.
FR2710443B1 (fr) * 1993-09-22 1995-11-10 Digipress Sa Procédé d'enregistrement d'informations sur un disque optique et de lecture de celles-ci, support d'enregistrement et agencement de lecture pour la mise en Óoeuvre du procédé.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58188345A (ja) * 1982-04-28 1983-11-02 Canon Inc 光記録媒体
JPS6190344A (ja) * 1984-10-09 1986-05-08 Ricoh Co Ltd 光デイスク成形用スタンパ
JPS62264461A (ja) * 1986-05-13 1987-11-17 Victor Co Of Japan Ltd 情報信号記録担体用金型の製造法
JPS63112842A (ja) * 1986-10-28 1988-05-17 Seiko Epson Corp 光デイスク基板複製用スタンバ−の製造方法
DE3719200A1 (de) * 1987-06-09 1988-12-29 Ibm Deutschland Optische speicherplatte und verfahren zu ihrer herstellung
JPH02172041A (ja) * 1988-12-23 1990-07-03 Hitachi Ltd 光デイスク用スタンパの作製方法

Also Published As

Publication number Publication date
FR2671657A1 (fr) 1992-07-17

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse
TP Transmission of property
RN Application for restoration
FC Favourable decision of inpi director general on an application for restauration.
ST Notification of lapse