ZA200108239B - Substrates for optical storage media. - Google Patents
Substrates for optical storage media.Info
- Publication number
- ZA200108239B ZA200108239B ZA200108239A ZA200108239A ZA200108239B ZA 200108239 B ZA200108239 B ZA 200108239B ZA 200108239 A ZA200108239 A ZA 200108239A ZA 200108239 A ZA200108239 A ZA 200108239A ZA 200108239 B ZA200108239 B ZA 200108239B
- Authority
- ZA
- South Africa
- Prior art keywords
- substrates
- storage media
- optical storage
- optical
- media
- Prior art date
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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/04—Reduction, e.g. hydrogenation
-
- 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
- G11B7/2536—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 polystyrene [PS]
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Graft Or Block Polymers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19921943A DE19921943A1 (en) | 1999-05-12 | 1999-05-12 | Substrate for optical data storage, based on homo-, co- and/or block polymers of vinylcyclohexane, and has specified moment of inertia and specific density |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA200108239B true ZA200108239B (en) | 2002-12-24 |
Family
ID=7907862
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA200108239A ZA200108239B (en) | 1999-05-12 | 2001-10-08 | Substrates for optical storage media. |
Country Status (11)
Country | Link |
---|---|
EP (1) | EP1185981A1 (en) |
JP (1) | JP2003500784A (en) |
KR (1) | KR20020002500A (en) |
CN (1) | CN1363090A (en) |
AU (1) | AU4560100A (en) |
BR (1) | BR0010493A (en) |
CA (1) | CA2373712A1 (en) |
DE (1) | DE19921943A1 (en) |
HK (1) | HK1048389A1 (en) |
WO (1) | WO2000070607A1 (en) |
ZA (1) | ZA200108239B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013047690A1 (en) * | 2011-09-29 | 2013-04-04 | 三菱化学株式会社 | Hydrogenated block copolymer, resin composition, film and container |
US10202479B2 (en) * | 2013-06-07 | 2019-02-12 | Regents Of The University Of Minnesota | Poly(cyclohexylethylene)-polyacrylate block copolymers, methods of manufacture thereof and articles comprising the same |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2962291B2 (en) * | 1988-01-21 | 1999-10-12 | 三菱化学株式会社 | Optical disk substrate |
JP2730053B2 (en) * | 1988-01-21 | 1998-03-25 | 三菱化学株式会社 | Substrate forming material for optical disks |
JP2668945B2 (en) * | 1988-06-17 | 1997-10-27 | 三菱化学株式会社 | optical disk |
JPH01317728A (en) * | 1988-06-17 | 1989-12-22 | Mitsubishi Kasei Corp | Production of optical disk substrate made of polyvinyl cyclohexane resin |
JPH0218404A (en) * | 1988-07-06 | 1990-01-22 | Kazuo Soga | Syndiotactic poly(vinylcyclohexane) and production thereof |
CA2022027A1 (en) * | 1989-07-28 | 1991-01-29 | Yoshinori Suga | Substrate of optical disc |
JP2725402B2 (en) * | 1989-09-28 | 1998-03-11 | 三菱化学株式会社 | Hydrogenated vinyl aromatic hydrocarbon polymer composition and optical disk substrate |
DE19756368A1 (en) * | 1997-12-18 | 1999-07-01 | Bayer Ag | Vinylcyclohexane based polymers |
-
1999
- 1999-05-12 DE DE19921943A patent/DE19921943A1/en not_active Withdrawn
-
2000
- 2000-05-02 BR BR0010493-0A patent/BR0010493A/en not_active IP Right Cessation
- 2000-05-02 JP JP2000618975A patent/JP2003500784A/en active Pending
- 2000-05-02 EP EP00927119A patent/EP1185981A1/en not_active Withdrawn
- 2000-05-02 AU AU45601/00A patent/AU4560100A/en not_active Abandoned
- 2000-05-02 CN CN00807452A patent/CN1363090A/en active Pending
- 2000-05-02 KR KR1020017014348A patent/KR20020002500A/en not_active Application Discontinuation
- 2000-05-02 WO PCT/EP2000/003925 patent/WO2000070607A1/en not_active Application Discontinuation
- 2000-05-02 CA CA002373712A patent/CA2373712A1/en not_active Abandoned
-
2001
- 2001-10-08 ZA ZA200108239A patent/ZA200108239B/en unknown
-
2003
- 2003-01-20 HK HK03100482.2A patent/HK1048389A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
KR20020002500A (en) | 2002-01-09 |
HK1048389A1 (en) | 2003-03-28 |
WO2000070607A1 (en) | 2000-11-23 |
JP2003500784A (en) | 2003-01-07 |
DE19921943A1 (en) | 2000-11-16 |
AU4560100A (en) | 2000-12-05 |
EP1185981A1 (en) | 2002-03-13 |
CN1363090A (en) | 2002-08-07 |
CA2373712A1 (en) | 2000-11-23 |
BR0010493A (en) | 2002-02-13 |
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