Apparatus for producing a substrate sheet for optical recording

Details Apparatus for producing a substrate sheet for optical recording Apparatus for producing a substrate sheet for optical recording

1990-06-25

1992-03-17

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

Endless surface means to shape fluent material

425130, 4251744, 425230, 425810, 264 14, 264106, 1562722, B29D 1100, B29D 1750

Patent

active

050964011

ABSTRACT:
An apparatus for producing a substrate sheet for optical recording media includes a device for 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; a means for bringing the substrate sheet into close contact with the roll stamper having the ultraviolet-curable resin layer; a device for curing said ultraviolet-curable resin layer to fix it on the substrate sheet; a device for peeling from the roll stamper the substrate sheet having the cured ultraviolet-curable resin layer; and a device for removing an ultraviolet-curable resin remaining on the surface of said roll stamper, provided after the means for peeling the substrate sheet.

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

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