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Patent Searching and Data


Title:
IMAGE PICKUP LENS, IMAGE PICKUP DEVICE, AND METHOD FOR MANUFACTURING ELECTRONIC APPARATUS
Document Type and Number:
WIPO Patent Application WO/2011/055623
Kind Code:
A1
Abstract:
Disclosed is an image pickup lens wherein generation of cracks and wrinkles in a reflection preventing film is eliminated, and entry of unnecessary reflected light into an image pickup element is suppressed, said entry of unnecessary reflected light being the cause of ghost. The image pickup lens (2) has the following disposed therein, in the following order from the object side to the image side: a first lens group (8), which has a glass substrate (12), a resin convex lens section (16a) configuring the surface (S1), i. e., the object side optical surface, and a resin concave lens section (22a) configuring the surface (S2), i. e., the image side optical surface; a second lens group (10), which has a glass substrate (30), a resin concave lens section (32a) configuring the surface (S3), i.e., the object side optical surface, and a resin convex lens section (34a) configuring the surface (S4), i. e., an image side optical surface. In the image pickup lens (2), the reflection preventing film (36) is formed at least on the surface (S4), and at least the concave lens section (34a) is configured of a resin wherein inorganic particles are dispersed.

Inventors:
HARA AKIKO (JP)
Application Number:
PCT/JP2010/068141
Publication Date:
May 12, 2011
Filing Date:
October 15, 2010
Export Citation:
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Assignee:
KONICA MINOLTA OPTO INC (JP)
HARA AKIKO (JP)
International Classes:
G02B13/00; G02B1/11; G02B3/00; G02B13/18
Domestic Patent References:
WO2009116492A12009-09-24
WO2008102648A12008-08-28
WO2009069468A12009-06-04
Foreign References:
JP2008046526A2008-02-28
JP2004088713A2004-03-18
JP2009008775A2009-01-15
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