Erect image resin lens array and the manufacture thereof

Details Erect image resin lens array and the manufacture thereof Erect image resin lens array and the manufacture thereof

2006-01-03

2006-01-03

Sugarman, Scott J. (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By surface composed of lenticular elements

C359S625000

Reexamination Certificate

active

06982833

ABSTRACT:
A resin lens plate has, on its planar surface, convex lenslets arranged in a regular pattern with adjacent lenslets being apart from each other by a specified center-to-center pitch. Each of the convex lenslets has a rectangular or hexagonal contour in a plan view of the plate, and the lenslets are arranged such that the direction in which the center-to-center distance between adjacent lenslets takes a maximum value is in parallel with the lengthwise side of the plate. A groove or a ridge is formed along the bisector of a center-to-center line drawn between each pair of adjacent lenslets, and a light absorbing film is formed over the groove or the ridge. The groove or ridge inhibits the entry of stray light to the lenslet from adjacent lenslets.

REFERENCES:
patent: 6381072 (2002-04-01), Burger
patent: 6693748 (2004-02-01), Fujimoto et al.
patent: 2001/0028506 (2001-10-01), Fujimoto et al.
patent: WO 00/58762 (2000-10-01), None

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