G - Physics
02
B
88/0.14
G02B 5/32 (2006.01)
Patent
CA 1259831
- 1 - Abstract A hologram lens has a spherical hologram surface, the center of which coincides with the focal point of the lens. The radius of the spherical surface is equal to the focal length of the lens. The result is that the lens produces little aberration and enables simplification of manufacture.
459462
Kataoka Keiji
Tatsuno Kimio
Yonezawa Seiji
Hitachi Ltd.
Kirby Eades Gale Baker
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