Process for producing substrate sheet for optical recording medi

Details Process for producing substrate sheet for optical recording medi Process for producing substrate sheet for optical recording medi

1991-11-18

1994-01-25

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Utilizing plasma, electric, electromagnetic, particulate, or...

264 14, 427164, B29C 3910, B29D 1100

Patent

active

052813738

ABSTRACT:
A method for producing a substrate sheet for optical recording media, including the steps of continuously forming an ultraviolet-curable resin layer on at least one of i) a roll stamper having thereon a preformat pattern corresponding with preformatting information and ii) a substrate sheet; bringing the substrate sheet into close contact with the roll stamper having the ultraviolet-curable resin layer; curing the ultraviolet-curable resin layer to fix it on the substrate sheet; peeling from the roll stamper the substrate sheet having the cured ultraviolet-curable resin layer; and removing any ultraviolet-curable resin remaining on the surface of the roll stamper, after peeling the substrate sheet.

REFERENCES:
patent: 3579735 (1971-05-01), Metz, Jr.
patent: 4000963 (1977-01-01), Thettu
patent: 4294782 (1981-10-01), Froehlig
patent: 4393804 (1983-07-01), Mygard et al.
patent: 4790893 (1988-12-01), Watkins
patent: 4829931 (1989-05-01), Mogi
patent: 4836874 (1989-06-01), Foster
patent: 4933120 (1990-06-01), D'Amato et al.
patent: 4933215 (1990-06-01), Naruse et al.
patent: 4963081 (1990-10-01), Yokoya

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