JPS57186241A - Optical information recording disc - Google Patents
Optical information recording discInfo
- Publication number
- JPS57186241A JPS57186241A JP56069352A JP6935281A JPS57186241A JP S57186241 A JPS57186241 A JP S57186241A JP 56069352 A JP56069352 A JP 56069352A JP 6935281 A JP6935281 A JP 6935281A JP S57186241 A JPS57186241 A JP S57186241A
- Authority
- JP
- Japan
- Prior art keywords
- information recording
- optical information
- recording disc
- polymer
- base material
- 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
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
-
- 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
- G11B7/254—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 protective topcoat layers
- G11B7/2542—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 protective topcoat layers consisting essentially of organic resins
-
- 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
- G11B7/258—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 reflective layers
- G11B7/2585—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 reflective layers based on aluminium
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31935—Ester, halide or nitrile of addition polymer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31938—Polymer of monoethylenically unsaturated hydrocarbon
Landscapes
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56069352A JPS57186241A (en) | 1981-05-11 | 1981-05-11 | Optical information recording disc |
US06/341,010 US4405671A (en) | 1981-05-11 | 1982-01-20 | Optical information recording disk |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56069352A JPS57186241A (en) | 1981-05-11 | 1981-05-11 | Optical information recording disc |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57186241A true JPS57186241A (en) | 1982-11-16 |
JPS6412019B2 JPS6412019B2 (ja) | 1989-02-28 |
Family
ID=13400075
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56069352A Granted JPS57186241A (en) | 1981-05-11 | 1981-05-11 | Optical information recording disc |
Country Status (2)
Country | Link |
---|---|
US (1) | US4405671A (ja) |
JP (1) | JPS57186241A (ja) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS585318A (ja) * | 1981-07-02 | 1983-01-12 | Mitsubishi Rayon Co Ltd | 低吸湿性メタクリル系樹脂 |
JPS5868251A (ja) * | 1981-10-19 | 1983-04-23 | Mitsui Toatsu Chem Inc | 光学式デイスク |
JPS58127754A (ja) * | 1982-01-25 | 1983-07-29 | Asahi Chem Ind Co Ltd | 低吸湿性アクリル系樹脂を基板とするデイスク盤 |
JPS58154751A (ja) * | 1982-02-15 | 1983-09-14 | Asahi Chem Ind Co Ltd | 低吸湿性アクリル系樹脂を用いたデイスク盤 |
JPS58160305A (ja) * | 1982-03-18 | 1983-09-22 | Konishiroku Photo Ind Co Ltd | 光学用樹脂組成物および光学用素子 |
JPS58162614A (ja) * | 1982-03-20 | 1983-09-27 | Konishiroku Photo Ind Co Ltd | 光学用樹脂組成物及び光学用素子 |
JPS59135211A (ja) * | 1982-12-30 | 1984-08-03 | レ−ム・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | 低吸水性を有するアクリル樹脂の製造法 |
JPS59227909A (ja) * | 1983-06-09 | 1984-12-21 | Sumitomo Chem Co Ltd | 低吸湿性メタクリル系樹脂製の光学機器 |
JPH01158019A (ja) * | 1988-11-18 | 1989-06-21 | Mitsubishi Rayon Co Ltd | 低吸湿性メタクリル系樹脂 |
US5043405A (en) * | 1988-01-07 | 1991-08-27 | Asahi Kasei Kogyo Kabushiki Kaisha | Methacrylic copolymer having low moisture absorption properties |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6064894A (ja) * | 1983-09-20 | 1985-04-13 | Fuji Photo Film Co Ltd | レ−ザ−記録材料 |
JPS6190343A (ja) * | 1984-10-09 | 1986-05-08 | Polyplastics Co | 光ディスク |
JPS6391601A (ja) * | 1986-10-06 | 1988-04-22 | Hitachi Ltd | 光学式情報記録担体 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5454003A (en) * | 1977-09-16 | 1979-04-27 | Philips Nv | Preparation of optical reading information disc |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4125654A (en) * | 1976-06-11 | 1978-11-14 | Kureha Kagaku Kogyo Kabushiki Kaisha | Information signal recording disc |
US4304806A (en) * | 1980-02-01 | 1981-12-08 | Minnesota Mining And Manufacturing Company | Information carrying discs |
-
1981
- 1981-05-11 JP JP56069352A patent/JPS57186241A/ja active Granted
-
1982
- 1982-01-20 US US06/341,010 patent/US4405671A/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5454003A (en) * | 1977-09-16 | 1979-04-27 | Philips Nv | Preparation of optical reading information disc |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS585318A (ja) * | 1981-07-02 | 1983-01-12 | Mitsubishi Rayon Co Ltd | 低吸湿性メタクリル系樹脂 |
JPS5868251A (ja) * | 1981-10-19 | 1983-04-23 | Mitsui Toatsu Chem Inc | 光学式デイスク |
JPS58127754A (ja) * | 1982-01-25 | 1983-07-29 | Asahi Chem Ind Co Ltd | 低吸湿性アクリル系樹脂を基板とするデイスク盤 |
JPH0213375B2 (ja) * | 1982-02-15 | 1990-04-04 | Asahi Chemical Ind | |
JPS58154751A (ja) * | 1982-02-15 | 1983-09-14 | Asahi Chem Ind Co Ltd | 低吸湿性アクリル系樹脂を用いたデイスク盤 |
JPS58160305A (ja) * | 1982-03-18 | 1983-09-22 | Konishiroku Photo Ind Co Ltd | 光学用樹脂組成物および光学用素子 |
JPS58162614A (ja) * | 1982-03-20 | 1983-09-27 | Konishiroku Photo Ind Co Ltd | 光学用樹脂組成物及び光学用素子 |
JPS59135211A (ja) * | 1982-12-30 | 1984-08-03 | レ−ム・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | 低吸水性を有するアクリル樹脂の製造法 |
JPH0578570B2 (ja) * | 1982-12-30 | 1993-10-29 | Roehm Gmbh | |
JPS59227909A (ja) * | 1983-06-09 | 1984-12-21 | Sumitomo Chem Co Ltd | 低吸湿性メタクリル系樹脂製の光学機器 |
JPH056161B2 (ja) * | 1983-06-09 | 1993-01-26 | Sumitomo Chemical Co | |
US5043405A (en) * | 1988-01-07 | 1991-08-27 | Asahi Kasei Kogyo Kabushiki Kaisha | Methacrylic copolymer having low moisture absorption properties |
JPH01158019A (ja) * | 1988-11-18 | 1989-06-21 | Mitsubishi Rayon Co Ltd | 低吸湿性メタクリル系樹脂 |
JPH0449566B2 (ja) * | 1988-11-18 | 1992-08-11 | Mitsubishi Rayon Co |
Also Published As
Publication number | Publication date |
---|---|
JPS6412019B2 (ja) | 1989-02-28 |
US4405671A (en) | 1983-09-20 |
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