JPS61132383A - 光学式情報記録体 - Google Patents

光学式情報記録体

Info

Publication number
JPS61132383A
JPS61132383A JP59254669A JP25466984A JPS61132383A JP S61132383 A JPS61132383 A JP S61132383A JP 59254669 A JP59254669 A JP 59254669A JP 25466984 A JP25466984 A JP 25466984A JP S61132383 A JPS61132383 A JP S61132383A
Authority
JP
Japan
Prior art keywords
polyvinyl
aldehyde
acetal
polyvinyl acetal
degree
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
JP59254669A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0318260B2 (https=
Inventor
Shigeru Nomura
茂 野村
Tatsuo Kinoshita
健生 木下
Tetsuo Sumiya
角谷　哲生
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.)
Sekisui Chemical Co Ltd
Original Assignee
Sekisui Chemical Co Ltd
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 Sekisui Chemical Co Ltd filed Critical Sekisui Chemical Co Ltd
Priority to JP59254669A priority Critical patent/JPS61132383A/ja
Publication of JPS61132383A publication Critical patent/JPS61132383A/ja
Publication of JPH0318260B2 publication Critical patent/JPH0318260B2/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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/253—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates
    • G11B7/2533—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising resins

Landscapes

  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
JP59254669A 1984-11-30 1984-11-30 光学式情報記録体 Granted JPS61132383A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59254669A JPS61132383A (ja) 1984-11-30 1984-11-30 光学式情報記録体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59254669A JPS61132383A (ja) 1984-11-30 1984-11-30 光学式情報記録体

Publications (2)

Publication Number Publication Date
JPS61132383A true JPS61132383A (ja) 1986-06-19
JPH0318260B2 JPH0318260B2 (https=) 1991-03-12

Family

ID=17268215

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59254669A Granted JPS61132383A (ja) 1984-11-30 1984-11-30 光学式情報記録体

Country Status (1)

Country Link
JP (1) JPS61132383A (https=)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62141003A (ja) * 1985-12-13 1987-06-24 Sekisui Chem Co Ltd 不飽和環カルボアルデヒド−アセタ−ル化ポリビニルアルコ−ル
JPS62141004A (ja) * 1985-12-13 1987-06-24 Sekisui Chem Co Ltd シクロヘキサンカルボアルデヒド及びアルキル化シクロヘキサンカルボアルデヒド−アセタ−ル化ポリビニルアルコ−ル
JP2006022160A (ja) * 2004-07-06 2006-01-26 Sekisui Chem Co Ltd 変性ポリビニルアルコール
JP2008037890A (ja) * 2006-08-01 2008-02-21 Kuraray Co Ltd ポリビニルアセタール樹脂

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62141003A (ja) * 1985-12-13 1987-06-24 Sekisui Chem Co Ltd 不飽和環カルボアルデヒド−アセタ−ル化ポリビニルアルコ−ル
JPS62141004A (ja) * 1985-12-13 1987-06-24 Sekisui Chem Co Ltd シクロヘキサンカルボアルデヒド及びアルキル化シクロヘキサンカルボアルデヒド−アセタ−ル化ポリビニルアルコ−ル
JP2006022160A (ja) * 2004-07-06 2006-01-26 Sekisui Chem Co Ltd 変性ポリビニルアルコール
JP2008037890A (ja) * 2006-08-01 2008-02-21 Kuraray Co Ltd ポリビニルアセタール樹脂

Also Published As

Publication number Publication date
JPH0318260B2 (https=) 1991-03-12

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