Title:
【考案の名称】ホログラム素子
Document Type and Number:
Japanese Patent JPH04120901
Kind Code:
U
Inventors:
Hidefumi Sakata
Osamu Yokoyama
Osamu Yokoyama
Application Number:
JP2550691U
Publication Date:
October 29, 1992
Filing Date:
April 16, 1991
Export Citation:
International Classes:
G02B5/32; G03H1/18; (IPC1-7): G02B5/32; G03H1/18