Back to results
US 7,068,433 B2Granted
Focusing screen master and manufacturing method thereof
AssigneeOlympus Corporation
InventorsHidetaka Hayashi, Satoshi Fujimori
Life of this patent
Estimating the term…
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.
Claims20
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.
Dependencies are inferred from the claim text.