Focusing screen master and manufacturing method thereof

Details Focusing screen master and manufacturing method thereof Focusing screen master and manufacturing method thereof

2006-06-27

2006-06-27

Ben, Loha (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By surface composed of lenticular elements

C359S626000, C359S449000, C359S569000, C430S312000, C430S319000, C430S321000, C430S323000, C430S394000, C264S001700, C264S001380, C427S162000, C427S585000

Reexamination Certificate

active

07068433

ABSTRACT:
Disclosed herein is a focusing screen master having a microlens array formed all over a flat substrate surface, the microlens array being constructed by arranging a plurality of types of microlenses that are different from each other in height, radius of curvature and surface configuration.

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