Title:
MOLD FOR PRODUCING VIDEO DISK
Document Type and Number:
Japanese Patent JPS549603
Kind Code:
A
Abstract:
A matrix is used to prepare a mold of an elastomeric material. A polymerizable compound is coated onto a flexible, thin substrate such as Mylar and is placed with compound side in intimate contact with the mold. The compound is cured and is bonded to the substrate. The cured combination is stripped from the mold and is given a metallic coating to improve reflectivity. A clear plastic coating may be applied to protect the metal surface.
Inventors:
MANFURETSUDO HAAMAN JIYAASUN
Application Number:
JP15246777A
Publication Date:
January 24, 1979
Filing Date:
December 20, 1977
Export Citation:
Assignee:
MCA DISCO VISION
International Classes:
G11B7/24; B29C33/00; B29C33/38; B29C33/56; B29C39/00; B29C39/02; B29C39/10; B29C39/26; B29C43/00; B29C43/32; B29C43/36; B29C61/00; B29D17/00; G11B3/70; G11B7/26; G11B23/00; B29C33/40; B29L17/00; (IPC1-7): B29D17/00; G11B3/70; G11B7/26
Domestic Patent References:
| JPS484561A | ||||
| JPS483501A | ||||
| JPS4710931A |
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