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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5333244
Kind Code:
B2
Abstract:
A method is provided for the production of sheet or platter shaped information carriers or records having surface structures thereon which correspond to recorded information, in particular video-signal memories of high storage capacity. An original or master information carrier or record has originally recorded information formed as a surface structure. This original is used to produce duplicate sheet or platter shaped records by applying a lacquer layer to the surface structure of the master record, hardening the layer, and permitting the hardened layer to adhere to an unmarked surface on the duplicate record to be produced.

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WO/1998/002875OPTICAL DISC AND PROCESS FOR THE PRODUCTION OF THE SAME, AND PROCESS FOR THE PRODUCTION OF SHEET MATERIAL
Application Number:
JP5126176A
Publication Date:
September 13, 1978
Filing Date:
May 04, 1976
Export Citation:
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International Classes:
B29D17/00; B29C39/00; B29C39/10; B29C39/26; B29C39/42; B29C43/02; B29C43/22; B29C61/00; G11B3/70; G11B23/00



 
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