JPS5750304A - Production of information recording carrier - Google Patents
Production of information recording carrierInfo
- Publication number
- JPS5750304A JPS5750304A JP12438880A JP12438880A JPS5750304A JP S5750304 A JPS5750304 A JP S5750304A JP 12438880 A JP12438880 A JP 12438880A JP 12438880 A JP12438880 A JP 12438880A JP S5750304 A JPS5750304 A JP S5750304A
- Authority
- JP
- Japan
- Prior art keywords
- ultraviolet ray
- thickness
- disc
- base sheet
- ultraviolet
- 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.)
- Pending
Links
Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Manufacturing Optical Record Carriers (AREA)
Abstract
PURPOSE: To obtain a high-precision disc, which is not deformed for a long time, in a short time, by coating an ultraviolet ray curing resin on a base sheet, which permeates ultraviolet rays, with a thickness within a specific range and by irradiating ultraviolet rays to the base sheet to harden and mold it while press-fixing a stamper to the resin.
CONSTITUTION: An ultraviolet curing resin 2 (obtained by adding a prepolymer such as epoxy acrylate and 2-hydroxy-ethylmethacrylate or the like as a crosslinking agent and diluent for viscosity adjustment) is coated onto the surface of a base sheet 1 (approximately 0.05W0.2mm thickness) consisting of polypropylene, polyvinyl chloride, etc. having ultraviolet ray permeability by using a coating roller 4 with thickness 1W10μ. A stamper 5 having an information signal for molding is pressed to a coated resin 3 by an ultraviolet ray permeable press-fixing plate 6, and the light from an ultraviolet ray lamp 8 is irradiated by opening a shutter 8, and after that, the sheet 1 is blanked into a disc by a blanking die 11 to obtain a disc 12.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12438880A JPS5750304A (en) | 1980-09-08 | 1980-09-08 | Production of information recording carrier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12438880A JPS5750304A (en) | 1980-09-08 | 1980-09-08 | Production of information recording carrier |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5750304A true JPS5750304A (en) | 1982-03-24 |
Family
ID=14884171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12438880A Pending JPS5750304A (en) | 1980-09-08 | 1980-09-08 | Production of information recording carrier |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5750304A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59123617A (en) * | 1982-12-28 | 1984-07-17 | Toshiba Corp | Manufacture of information record carrier |
JPS6098124U (en) * | 1983-12-06 | 1985-07-04 | パイオニア株式会社 | information recording disk |
JPS60167145A (en) * | 1984-02-10 | 1985-08-30 | Mitsui Toatsu Chem Inc | Production for optical recording medium |
US5330880A (en) * | 1991-09-03 | 1994-07-19 | Hitachi, Ltd. | Process for producing optical disks |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54162546A (en) * | 1978-06-13 | 1979-12-24 | Fuji Photo Film Co Ltd | Image formation method |
JPS5735095A (en) * | 1980-08-11 | 1982-02-25 | Matsushita Electric Works Ltd | Impregnating and drying of resin paper |
-
1980
- 1980-09-08 JP JP12438880A patent/JPS5750304A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54162546A (en) * | 1978-06-13 | 1979-12-24 | Fuji Photo Film Co Ltd | Image formation method |
JPS5735095A (en) * | 1980-08-11 | 1982-02-25 | Matsushita Electric Works Ltd | Impregnating and drying of resin paper |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59123617A (en) * | 1982-12-28 | 1984-07-17 | Toshiba Corp | Manufacture of information record carrier |
JPS6098124U (en) * | 1983-12-06 | 1985-07-04 | パイオニア株式会社 | information recording disk |
JPS60167145A (en) * | 1984-02-10 | 1985-08-30 | Mitsui Toatsu Chem Inc | Production for optical recording medium |
JPH0447913B2 (en) * | 1984-02-10 | 1992-08-05 | Mitsui Toatsu Chemicals | |
US5330880A (en) * | 1991-09-03 | 1994-07-19 | Hitachi, Ltd. | Process for producing optical disks |
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