Lens array for image sensor and image-scanning device...

Details Lens array for image sensor and image-scanning device... Lens array for image sensor and image-scanning device...

2007-02-13

2007-02-13

Mai, Huy (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By surface composed of lenticular elements

C359S622000, C358S511000

Reexamination Certificate

active

10923552

ABSTRACT:
A lens array4is formed as an erect 1:1 imaging lens by superimposing two lens plates40and40together. Each lens plate40consists of a number of micro lenses41which are regularly provided at a predetermined pitch and in a two-dimensional manner. This lens plate40is for example made by press molding the ultraviolet curing resin in a soft condition using a transparent mold and by irradiating the ultraviolet light on the ultraviolet curing resin from outside for hardening. Since the lens array4is provided with micro lenses41in rows in a sub-scanning direction, deterioration of an amount of light level resulting from the displacement between a light axis of the lens and an image sensor6is not generated.

REFERENCES:
patent: 5956163 (1999-09-01), Clarke et al.
patent: 6801345 (2004-10-01), Imamura
patent: 2005/0002105 (2005-01-01), Nemoto et al.
patent: 2001-358906 (2001-12-01), None

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