JPS5724042A - Optical information recording medium and its production - Google Patents

Optical information recording medium and its production

Info

Publication number
JPS5724042A
JPS5724042A JP9925680A JP9925680A JPS5724042A JP S5724042 A JPS5724042 A JP S5724042A JP 9925680 A JP9925680 A JP 9925680A JP 9925680 A JP9925680 A JP 9925680A JP S5724042 A JPS5724042 A JP S5724042A
Authority
JP
Japan
Prior art keywords
light
plate
curing
stamper
exposure
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
JP9925680A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6318254B2 (enrdf_load_stackoverflow
Inventor
Masanobu Yamamoto
Hiroshi Yubi
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP9925680A priority Critical patent/JPS5724042A/ja
Publication of JPS5724042A publication Critical patent/JPS5724042A/ja
Publication of JPS6318254B2 publication Critical patent/JPS6318254B2/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)
  • Manufacturing Optical Record Carriers (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
JP9925680A 1980-07-18 1980-07-18 Optical information recording medium and its production Granted JPS5724042A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9925680A JPS5724042A (en) 1980-07-18 1980-07-18 Optical information recording medium and its production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9925680A JPS5724042A (en) 1980-07-18 1980-07-18 Optical information recording medium and its production

Publications (2)

Publication Number Publication Date
JPS5724042A true JPS5724042A (en) 1982-02-08
JPS6318254B2 JPS6318254B2 (enrdf_load_stackoverflow) 1988-04-18

Family

ID=14242625

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9925680A Granted JPS5724042A (en) 1980-07-18 1980-07-18 Optical information recording medium and its production

Country Status (1)

Country Link
JP (1) JPS5724042A (enrdf_load_stackoverflow)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS569303A (en) * 1979-07-05 1981-01-30 Taiho Kogyo Co Ltd Composite sliding material
JPS5794502A (en) * 1981-09-28 1982-06-12 Taiho Kogyo Co Ltd Manufacture of sliding material
JPS5979445A (ja) * 1982-10-28 1984-05-08 Sharp Corp 光磁気記憶素子
JPS61214242A (ja) * 1985-03-20 1986-09-24 Hitachi Maxell Ltd 光デイスク
US4619804A (en) * 1985-04-15 1986-10-28 Eastman Kodak Company Fabricating optical record media
JPS6323236A (ja) * 1987-05-21 1988-01-30 Sanyo Electric Co Ltd ディスクレコ−ドの構造
JPH01218808A (ja) * 1988-02-29 1989-09-01 Matsushita Electric Ind Co Ltd 光学素子のプレス成形用金型の作製方法
JPH03248341A (ja) * 1990-02-26 1991-11-06 Nec Corp 光ディスク基板
EP2808709A4 (en) * 2012-03-30 2015-05-13 Hitachi High Tech Corp Diffraction grating and method of production therefor

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52124309A (en) * 1976-04-09 1977-10-19 Polygram Gmbh Diskklike information carrier having high packing density and mathod of producing same
JPS5333244A (en) * 1976-09-09 1978-03-29 Kanegafuchi Chem Ind Co Ltd Apparatuses for preparating coagulated latexes
JPS54138406A (en) * 1978-04-17 1979-10-26 Philips Nv Information disk and method of fabricating same
JPS54179104U (enrdf_load_stackoverflow) * 1978-06-07 1979-12-18
JPS5538655A (en) * 1978-09-08 1980-03-18 Sumitomo Chem Co Ltd Optical signal recording and reproducing member

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52124309A (en) * 1976-04-09 1977-10-19 Polygram Gmbh Diskklike information carrier having high packing density and mathod of producing same
JPS5333244A (en) * 1976-09-09 1978-03-29 Kanegafuchi Chem Ind Co Ltd Apparatuses for preparating coagulated latexes
JPS54138406A (en) * 1978-04-17 1979-10-26 Philips Nv Information disk and method of fabricating same
JPS54179104U (enrdf_load_stackoverflow) * 1978-06-07 1979-12-18
JPS5538655A (en) * 1978-09-08 1980-03-18 Sumitomo Chem Co Ltd Optical signal recording and reproducing member

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS569303A (en) * 1979-07-05 1981-01-30 Taiho Kogyo Co Ltd Composite sliding material
JPS5794502A (en) * 1981-09-28 1982-06-12 Taiho Kogyo Co Ltd Manufacture of sliding material
JPS5979445A (ja) * 1982-10-28 1984-05-08 Sharp Corp 光磁気記憶素子
JPS61214242A (ja) * 1985-03-20 1986-09-24 Hitachi Maxell Ltd 光デイスク
US4619804A (en) * 1985-04-15 1986-10-28 Eastman Kodak Company Fabricating optical record media
JPS6323236A (ja) * 1987-05-21 1988-01-30 Sanyo Electric Co Ltd ディスクレコ−ドの構造
JPH01218808A (ja) * 1988-02-29 1989-09-01 Matsushita Electric Ind Co Ltd 光学素子のプレス成形用金型の作製方法
JPH03248341A (ja) * 1990-02-26 1991-11-06 Nec Corp 光ディスク基板
EP2808709A4 (en) * 2012-03-30 2015-05-13 Hitachi High Tech Corp Diffraction grating and method of production therefor
US9261631B2 (en) 2012-03-30 2016-02-16 Hitachi High-Technologies Corporation Method for manufacturing a diffraction grating

Also Published As

Publication number Publication date
JPS6318254B2 (enrdf_load_stackoverflow) 1988-04-18

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