JPS54121101A - Production of information signal recording original disc - Google Patents

Production of information signal recording original disc

Info

Publication number
JPS54121101A
JPS54121101A JP2841878A JP2841878A JPS54121101A JP S54121101 A JPS54121101 A JP S54121101A JP 2841878 A JP2841878 A JP 2841878A JP 2841878 A JP2841878 A JP 2841878A JP S54121101 A JPS54121101 A JP S54121101A
Authority
JP
Japan
Prior art keywords
bits
substrate
beam light
radiation
light
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.)
Granted
Application number
JP2841878A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6126141B2 (enrdf_load_stackoverflow
Inventor
Shoji Itoya
Osamu Ito
Takahiro Kubo
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.)
Teac Corp
Mitsubishi Electric Corp
Original Assignee
Teac Corp
Mitsubishi Electric 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 Teac Corp, Mitsubishi Electric Corp filed Critical Teac Corp
Priority to JP2841878A priority Critical patent/JPS54121101A/ja
Publication of JPS54121101A publication Critical patent/JPS54121101A/ja
Publication of JPS6126141B2 publication Critical patent/JPS6126141B2/ja
Granted 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Manufacturing Optical Record Carriers (AREA)
JP2841878A 1978-03-13 1978-03-13 Production of information signal recording original disc Granted JPS54121101A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2841878A JPS54121101A (en) 1978-03-13 1978-03-13 Production of information signal recording original disc

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2841878A JPS54121101A (en) 1978-03-13 1978-03-13 Production of information signal recording original disc

Publications (2)

Publication Number Publication Date
JPS54121101A true JPS54121101A (en) 1979-09-20
JPS6126141B2 JPS6126141B2 (enrdf_load_stackoverflow) 1986-06-19

Family

ID=12248098

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2841878A Granted JPS54121101A (en) 1978-03-13 1978-03-13 Production of information signal recording original disc

Country Status (1)

Country Link
JP (1) JPS54121101A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008234752A (ja) * 2007-03-19 2008-10-02 Ricoh Co Ltd 追記型情報記録媒体及びマスター基板

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4948978A (enrdf_load_stackoverflow) * 1972-09-13 1974-05-11
JPS5185703A (ja) * 1975-01-24 1976-07-27 Sony Corp Johokirokubaitainoseizohoho
JPS523405A (en) * 1975-06-27 1977-01-11 Canon Inc Signal recording appliance
JPS5266407A (en) * 1975-11-29 1977-06-01 Victor Co Of Japan Ltd Disc form information signal recording medium

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4948978A (enrdf_load_stackoverflow) * 1972-09-13 1974-05-11
JPS5185703A (ja) * 1975-01-24 1976-07-27 Sony Corp Johokirokubaitainoseizohoho
JPS523405A (en) * 1975-06-27 1977-01-11 Canon Inc Signal recording appliance
JPS5266407A (en) * 1975-11-29 1977-06-01 Victor Co Of Japan Ltd Disc form information signal recording medium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008234752A (ja) * 2007-03-19 2008-10-02 Ricoh Co Ltd 追記型情報記録媒体及びマスター基板

Also Published As

Publication number Publication date
JPS6126141B2 (enrdf_load_stackoverflow) 1986-06-19

Similar Documents

Publication Publication Date Title
US4380016A (en) Protected optical disc
EP0346844A3 (en) Optical head apparatus
AU538380B2 (en) Optical recording disk
JPH06267078A (ja) 光ディスク及び光ディスク再生装置
JPS6326461B2 (enrdf_load_stackoverflow)
GB1147531A (en) Improvements in or relating to methods of recording items of information
JPS54121101A (en) Production of information signal recording original disc
JPS5619790A (en) Recording medium
US4556965A (en) Information recording apparatus having automatic focusing
JPH0662010B2 (ja) 融除型光学記録媒体
JPS5782093A (en) Optical information recording medium
US4866696A (en) Pre-formatted moth-eye type optical data storage member and method
JPS5774834A (en) Optical information recording system
JPS56156942A (en) Optical storage device
JPS5724038A (en) Information recording member
JPS5680491A (en) Information recording medium and information recording method using it
JPH0123858B2 (enrdf_load_stackoverflow)
JPS54134603A (en) Production of information recording medium
JPS57158834A (en) Method for optical recording
JPS56117345A (en) Optical recording medium
JPS5718031A (en) Optical information recording and reproducing method
JPS56148740A (en) Method for recording and erasing of optical information
JPS573238A (en) Medium for optical memory
JP2000357339A (ja) 近接場光発生装置
JPS55101143A (en) Optical reproducing disc