Focusing screen master and manufacturing method thereof
First Claim
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1. A focusing screen master comprising a microlens array formed all over a flat substrate surface, wherein said microlens array comprises an arrangement of a plurality of types of microlenses that are different from each other in height, radius of curvature and surface configuration.
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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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Citations
20 Claims
- 1. A focusing screen master comprising a microlens array formed all over a flat substrate surface, wherein said microlens array comprises an arrangement of a plurality of types of microlenses that are different from each other in height, radius of curvature and surface configuration.
Specification