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Title:
METHOD AND DEVICE FOR PRODUCING SHEET OR PLATE INFORMATION MEDIA
Document Type and Number:
Japanese Patent JPS51140601
Kind Code:
A
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.

Inventors:
MARUTEIN KUREMUTSUOFU
Application Number:
JP5126176A
Publication Date:
December 03, 1976
Filing Date:
May 04, 1976
Export Citation:
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Assignee:
POLYGRAM GMBH
International Classes:
B29D17/00; B29C39/00; B29C39/10; B29C39/26; B29C39/42; B29C43/02; B29C43/22; B29C61/00; G11B3/70; G11B23/00; (IPC1-7): B29D17/00; G11B3/70



 
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