JPS6130329B2 - - Google Patents
Info
- Publication number
- JPS6130329B2 JPS6130329B2 JP54135273A JP13527379A JPS6130329B2 JP S6130329 B2 JPS6130329 B2 JP S6130329B2 JP 54135273 A JP54135273 A JP 54135273A JP 13527379 A JP13527379 A JP 13527379A JP S6130329 B2 JPS6130329 B2 JP S6130329B2
- Authority
- JP
- Japan
- Prior art keywords
- recording
- substrate
- layer
- coating layer
- tracking
- 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.)
- Expired
Links
- 239000010410 layer Substances 0.000 claims description 25
- 230000003287 optical effect Effects 0.000 claims description 23
- 239000000758 substrate Substances 0.000 claims description 23
- 239000011247 coating layer Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 description 10
- 230000007547 defect Effects 0.000 description 7
- 230000008018 melting Effects 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 4
- 239000004926 polymethyl methacrylate Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 239000006223 plastic coating Substances 0.000 description 2
- 229920001225 polyester resin Polymers 0.000 description 2
- 239000004645 polyester resin Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- JKJWYKGYGWOAHT-UHFFFAOYSA-N bis(prop-2-enyl) carbonate Chemical compound C=CCOC(=O)OCC=C JKJWYKGYGWOAHT-UHFFFAOYSA-N 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13527379A JPS5661048A (en) | 1979-10-22 | 1979-10-22 | Optical memory medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13527379A JPS5661048A (en) | 1979-10-22 | 1979-10-22 | Optical memory medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5661048A JPS5661048A (en) | 1981-05-26 |
| JPS6130329B2 true JPS6130329B2 (US07494231-20090224-C00006.png) | 1986-07-12 |
Family
ID=15147842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13527379A Granted JPS5661048A (en) | 1979-10-22 | 1979-10-22 | Optical memory medium |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5661048A (US07494231-20090224-C00006.png) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0212820Y2 (US07494231-20090224-C00006.png) * | 1985-12-27 | 1990-04-10 | ||
| JPH0224421Y2 (US07494231-20090224-C00006.png) * | 1986-09-18 | 1990-07-04 | ||
| JPH0343939Y2 (US07494231-20090224-C00006.png) * | 1986-08-28 | 1991-09-13 |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3042960A1 (de) * | 1980-11-14 | 1982-07-08 | Basf Ag, 6700 Ludwigshafen | Verfahren zur depolymerisation von polytetramethylenglykolether |
| JPS57158047A (en) * | 1981-03-24 | 1982-09-29 | Toshiba Corp | Optical information recording medium |
| US4578788A (en) * | 1983-06-02 | 1986-03-25 | International Business Machines Corporation | High performance optical storage medium with separate mechanical servo tracks embedded within the medium |
| JPS6252739A (ja) * | 1985-09-02 | 1987-03-07 | Canon Inc | 光記録媒体 |
| JPS62204448A (ja) * | 1986-03-04 | 1987-09-09 | Matsushita Electric Ind Co Ltd | 光デイスク |
| JPH07111788B2 (ja) * | 1987-01-23 | 1995-11-29 | 株式会社日立製作所 | 光情報記録媒体 |
| JPH0762919B2 (ja) * | 1989-05-18 | 1995-07-05 | 三菱化学株式会社 | 再生専用型光ディスク |
-
1979
- 1979-10-22 JP JP13527379A patent/JPS5661048A/ja active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0212820Y2 (US07494231-20090224-C00006.png) * | 1985-12-27 | 1990-04-10 | ||
| JPH0343939Y2 (US07494231-20090224-C00006.png) * | 1986-08-28 | 1991-09-13 | ||
| JPH0224421Y2 (US07494231-20090224-C00006.png) * | 1986-09-18 | 1990-07-04 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5661048A (en) | 1981-05-26 |
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