JPH0447911B2 - - Google Patents
Info
- Publication number
- JPH0447911B2 JPH0447911B2 JP58240199A JP24019983A JPH0447911B2 JP H0447911 B2 JPH0447911 B2 JP H0447911B2 JP 58240199 A JP58240199 A JP 58240199A JP 24019983 A JP24019983 A JP 24019983A JP H0447911 B2 JPH0447911 B2 JP H0447911B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- stamper
- recording
- resin
- disk
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 description 12
- 239000011347 resin Substances 0.000 description 9
- 229920005989 resin Polymers 0.000 description 9
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000035945 sensitivity 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
- G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
- G11B7/24085—Pits
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/0057—Intermediate mediums, i.e. mediums provided with an information structure not specific to the method of reproducing or duplication such as matrixes for mechanical pressing of an information structure ; record carriers having a relief information structure provided with or included in layers not specific for a single reproducing method; apparatus or processes specially adapted for their manufacture
-
- 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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24019983A JPS60131652A (ja) | 1983-12-20 | 1983-12-20 | 信号記録スタンパ− |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24019983A JPS60131652A (ja) | 1983-12-20 | 1983-12-20 | 信号記録スタンパ− |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60131652A JPS60131652A (ja) | 1985-07-13 |
JPH0447911B2 true JPH0447911B2 (no) | 1992-08-05 |
Family
ID=17055928
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP24019983A Granted JPS60131652A (ja) | 1983-12-20 | 1983-12-20 | 信号記録スタンパ− |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60131652A (no) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4885025A (no) * | 1972-02-15 | 1973-11-12 | ||
JPS5210102A (en) * | 1975-07-15 | 1977-01-26 | Canon Inc | Recording medium |
JPS55253A (en) * | 1975-02-24 | 1980-01-05 | Mca Disco Vision | Molding box for reprinting original record |
JPS5542393A (en) * | 1978-09-11 | 1980-03-25 | Philips Nv | Recoding carrier |
JPS5555448A (en) * | 1978-10-19 | 1980-04-23 | Philips Nv | Record carrier |
JPS55101143A (en) * | 1979-01-29 | 1980-08-01 | Teac Co | Optical reproducing disc |
JPS5885936A (ja) * | 1981-11-16 | 1983-05-23 | Toshiba Corp | 光学的情報記録再生装置 |
JPS58185049A (ja) * | 1982-04-22 | 1983-10-28 | Hitachi Ltd | スタンパとその製造方法 |
-
1983
- 1983-12-20 JP JP24019983A patent/JPS60131652A/ja active Granted
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4885025A (no) * | 1972-02-15 | 1973-11-12 | ||
JPS55253A (en) * | 1975-02-24 | 1980-01-05 | Mca Disco Vision | Molding box for reprinting original record |
JPS5210102A (en) * | 1975-07-15 | 1977-01-26 | Canon Inc | Recording medium |
JPS5542393A (en) * | 1978-09-11 | 1980-03-25 | Philips Nv | Recoding carrier |
JPS5555448A (en) * | 1978-10-19 | 1980-04-23 | Philips Nv | Record carrier |
JPS55101143A (en) * | 1979-01-29 | 1980-08-01 | Teac Co | Optical reproducing disc |
JPS5885936A (ja) * | 1981-11-16 | 1983-05-23 | Toshiba Corp | 光学的情報記録再生装置 |
JPS58185049A (ja) * | 1982-04-22 | 1983-10-28 | Hitachi Ltd | スタンパとその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
JPS60131652A (ja) | 1985-07-13 |
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