GB2130423B - Optical data record carrier and method of manufacturing such carrier - Google Patents

Optical data record carrier and method of manufacturing such carrier

Info

Publication number
GB2130423B
GB2130423B GB08325085A GB8325085A GB2130423B GB 2130423 B GB2130423 B GB 2130423B GB 08325085 A GB08325085 A GB 08325085A GB 8325085 A GB8325085 A GB 8325085A GB 2130423 B GB2130423 B GB 2130423B
Authority
GB
United Kingdom
Prior art keywords
carrier
manufacturing
data record
optical data
record carrier
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
Application number
GB08325085A
Other languages
English (en)
Other versions
GB8325085D0 (en
GB2130423A (en
Inventor
Junichi Kurata
Minemasa Ohta
Takashi Nishio
Shigetoshi Kitano
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic Corp
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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Publication of GB8325085D0 publication Critical patent/GB8325085D0/en
Publication of GB2130423A publication Critical patent/GB2130423A/en
Application granted granted Critical
Publication of GB2130423B publication Critical patent/GB2130423B/en
Expired 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
GB08325085A 1982-09-20 1983-09-20 Optical data record carrier and method of manufacturing such carrier Expired GB2130423B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57163450A JPS5954051A (ja) 1982-09-20 1982-09-20 光学式情報記録担体及びその製造方法

Publications (3)

Publication Number Publication Date
GB8325085D0 GB8325085D0 (en) 1983-10-19
GB2130423A GB2130423A (en) 1984-05-31
GB2130423B true GB2130423B (en) 1986-02-19

Family

ID=15774105

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08325085A Expired GB2130423B (en) 1982-09-20 1983-09-20 Optical data record carrier and method of manufacturing such carrier

Country Status (5)

Country Link
JP (1) JPS5954051A (enrdf_load_stackoverflow)
DE (1) DE3333969C2 (enrdf_load_stackoverflow)
FR (1) FR2533346B1 (enrdf_load_stackoverflow)
GB (1) GB2130423B (enrdf_load_stackoverflow)
NL (1) NL8303194A (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6171436A (ja) * 1984-09-14 1986-04-12 Hitachi Ltd 光磁気記録媒体
EP0240752B1 (en) * 1986-03-07 1992-06-03 Matsushita Electric Industrial Co., Ltd. Erasable optical disk having an improved optically transparent substrate
FR2676853B1 (fr) * 1991-05-21 1993-12-03 Thomson Csf Procede d'ecriture et de lecture optique sur support d'informations a stockage haute densite.
US5910337A (en) * 1992-04-20 1999-06-08 International Business Machines Corporation Phase-averaging resist coating for reflectivity control
US5764619A (en) * 1995-04-07 1998-06-09 Matsushita Electric Industrial Co., Ltd. Optical recording medium having two separate recording layers

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2038874B2 (de) * 1970-08-05 1973-01-04 Teldec Telefunkendecca Schallplatten Gmbh, 2000 Hamburg Verfahren zum Aufzeichnen von Signalen auf einen Speicher
FR2279193A1 (fr) * 1974-07-16 1976-02-13 Thomson Brandt Procede de realisation de disques d'enregistrement de signaux en video-frequence, et disque ainsi realise
FR2288370A1 (fr) * 1974-10-18 1976-05-14 Thomson Brandt Perfectionnements aux supports d'information a lecture optique
JPS6023407B2 (ja) * 1975-05-20 1985-06-07 ソニー株式会社 情報記録媒体の製造方法
DE2615605C2 (de) * 1976-04-09 1978-06-01 Polygram Gmbh, 2000 Hamburg Scheibenförmiger Informationsträger und Verfahren zu seiner Herstellung
JPS53124404A (en) * 1977-04-06 1978-10-30 Toshiba Corp Production of information carrier
NL7803069A (nl) * 1978-03-22 1979-09-25 Philips Nv Meerlaags informatieschijf.
NL8006947A (nl) * 1980-12-22 1982-07-16 Philips Nv Werkwijze voor de vervaardiging van een optisch uitleesbare informatiedrager.
JPS57172548A (en) * 1981-04-17 1982-10-23 Toshiba Corp Original disk for medium for reproducing stored information

Also Published As

Publication number Publication date
JPS5954051A (ja) 1984-03-28
FR2533346A1 (fr) 1984-03-23
GB8325085D0 (en) 1983-10-19
DE3333969C2 (de) 1986-10-16
NL8303194A (nl) 1984-04-16
JPH0352141B2 (enrdf_load_stackoverflow) 1991-08-09
DE3333969A1 (de) 1984-03-22
GB2130423A (en) 1984-05-31
FR2533346B1 (fr) 1985-10-25

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940920