JPS5271202A - Production of original disc of information recording media - Google Patents
Production of original disc of information recording mediaInfo
- Publication number
- JPS5271202A JPS5271202A JP50147718A JP14771875A JPS5271202A JP S5271202 A JPS5271202 A JP S5271202A JP 50147718 A JP50147718 A JP 50147718A JP 14771875 A JP14771875 A JP 14771875A JP S5271202 A JPS5271202 A JP S5271202A
- Authority
- JP
- Japan
- Prior art keywords
- production
- information recording
- recording media
- original disc
- light beam
- 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
- 239000000758 substrate Substances 0.000 abstract 2
- 239000010408 film Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 239000010409 thin film Substances 0.000 abstract 1
Classifications
-
- 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
Landscapes
- Manufacturing Optical Record Carriers (AREA)
Abstract
PURPOSE:Molding efficiency is improved by forming a thin film of a light beam sensitive material on a substrate formed thereon with a thin metal film, scanning the substrate with a light beam to form guide grooves and making the pitch of the guide grooves constant.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50147718A JPS583298B2 (en) | 1975-12-11 | 1975-12-11 | How do you know what to do? |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50147718A JPS583298B2 (en) | 1975-12-11 | 1975-12-11 | How do you know what to do? |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5271202A true JPS5271202A (en) | 1977-06-14 |
JPS583298B2 JPS583298B2 (en) | 1983-01-20 |
Family
ID=15436612
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50147718A Expired JPS583298B2 (en) | 1975-12-11 | 1975-12-11 | How do you know what to do? |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS583298B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5786139A (en) * | 1980-09-25 | 1982-05-29 | Rca Corp | Optical recording medium |
JPS6168746A (en) * | 1984-09-04 | 1986-04-09 | インタ−ナショナル ビジネス マシ−ンズ コ−ポレ−ション | Formation of mold insert for producing optical memory disc |
JPS6180631A (en) * | 1984-09-28 | 1986-04-24 | Kyodo Printing Co Ltd | Optical read card and its manufacture |
-
1975
- 1975-12-11 JP JP50147718A patent/JPS583298B2/en not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5786139A (en) * | 1980-09-25 | 1982-05-29 | Rca Corp | Optical recording medium |
JPH0427614B2 (en) * | 1980-09-25 | 1992-05-12 | Rca Corp | |
JPS6168746A (en) * | 1984-09-04 | 1986-04-09 | インタ−ナショナル ビジネス マシ−ンズ コ−ポレ−ション | Formation of mold insert for producing optical memory disc |
JPH0346894B2 (en) * | 1984-09-04 | 1991-07-17 | Intaanashonaru Bijinesu Mashiinzu Corp | |
JPS6180631A (en) * | 1984-09-28 | 1986-04-24 | Kyodo Printing Co Ltd | Optical read card and its manufacture |
JPH0770091B2 (en) * | 1984-09-28 | 1995-07-31 | 共同印刷株式会社 | Optical reading card and manufacturing method thereof |
Also Published As
Publication number | Publication date |
---|---|
JPS583298B2 (en) | 1983-01-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5266405A (en) | Optical recording system of information recording discs | |
ES413863A1 (en) | Electron beam recording in thick materials | |
JPS5352104A (en) | Production of disc recording disc | |
JPS5690438A (en) | Optical recording medium | |
JPS5271202A (en) | Production of original disc of information recording media | |
FR2356235A1 (en) | MAGNETIC RECORDING SUPPORT AND MANUFACTURING PROCESS | |
JPS5264905A (en) | Part for recording information | |
JPS52115202A (en) | Recording member for information | |
JPS52143838A (en) | Recording method by laser beam | |
JPS5320770A (en) | Production of thin film fine patterns | |
JPS5296521A (en) | Production of information recording medium master disc | |
JPS5299804A (en) | Production of orginal disc for information recording medium | |
JPS5271201A (en) | Production of oridinal disc of information recording media | |
JPS52108803A (en) | Information recording element | |
JPS5220842A (en) | Recording medium | |
JPS56159849A (en) | High density information recording carrier using resin cured by ultraviolet ray irradiation | |
JPS5292520A (en) | Materials for recording | |
JPS5237007A (en) | Optical recording reproducing equipment | |
JPS5220033A (en) | Layer recording device | |
JPS53147A (en) | Preparation of hologram recording media | |
JPS52107801A (en) | Manufacture for information recording media original disc | |
JPS5331109A (en) | Information recording member | |
JPS5374403A (en) | Optical imformation recorder | |
JPS522420A (en) | Floating type thin film magnetic head | |
JPS5361303A (en) | Formation method of protecting layer of recording member |