JPS5750304A - Production of information recording carrier - Google Patents

Production of information recording carrier

Info

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
Application number
JP12438880A
Other languages
Japanese (ja)
Inventor
Toshiji Fujita
Yoshio Nagashima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toppan Inc
Original Assignee
Toppan Printing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toppan Printing Co Ltd filed Critical Toppan Printing Co Ltd
Priority to JP12438880A priority Critical patent/JPS5750304A/en
Publication of JPS5750304A publication Critical patent/JPS5750304A/en
Pending legal-status Critical Current

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
JP12438880A 1980-09-08 1980-09-08 Production of information recording carrier Pending JPS5750304A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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