Title:
METHOD OF DUPLICATING FINE RELIEF PATTERNS
Document Type and Number:
Japanese Patent JPS51132847
Kind Code:
A
Abstract:
PURPOSE: To simplify the fine relief pattesn duplicating process of optical information and to improve the accuracy of the relief pattern duplicating.
Inventors:
UTSUKI YASUSHI
SAKAI CHIAKI
ZENBUTSU SAKAE
SAKAI CHIAKI
ZENBUTSU SAKAE
Application Number:
JP5598475A
Publication Date:
November 18, 1976
Filing Date:
May 14, 1975
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE
International Classes:
C03C3/32; C03C4/04; G02B5/18; G02B27/00; G03C3/00; G03C5/56; (IPC1-7): G02B5/18; G02B27/00; G03C3/00
Domestic Patent References:
| JPS485434A | ||||
| JPS4811046A | ||||
| JPS4839243A | 1973-06-09 |