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Title:
OPTICAL FILTER, METHOD FOR PRODUCING SAME, AND IMAGE CAPTURING DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/061990
Kind Code:
A1
Abstract:
Provided is an optical filter comprising an optical filter main body arranged between an image capturing element and a subject or a light source and allowing the transmission of incident light, and a light-blocking resin film integrally formed on at least one surface of the optical filter main body to block a part of light incident to the image capturing element. A fine concavo-convex structure to prevent the reflection of light is formed on the light incident surface of the light-blocking resin film.

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Inventors:
MATSUO ATSUSHI (JP)
UMEDA SATOSHI (JP)
KINASHI TSUTOMU (JP)
Application Number:
PCT/JP2012/077439
Publication Date:
May 02, 2013
Filing Date:
October 24, 2012
Export Citation:
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Assignee:
ASAHI GLASS CO LTD (JP)
International Classes:
H04N5/225; G03B11/00; H04N5/335
Domestic Patent References:
WO2011118367A12011-09-29
Foreign References:
JP2002268120A2002-09-18
JPH01120503A1989-05-12
JP2009276700A2009-11-26
JP2010096842A2010-04-30
JP2010175749A2010-08-12
JP2010256546A2010-11-11
JP2010239003A2010-10-21
JP2007264613A2007-10-11
JP2011020446A2011-02-03
JP2001348514A2001-12-18
Attorney, Agent or Firm:
SAKURA PATENT OFFICE, p. c. (JP)
Patent business corporation cherry tree international patent firm (JP)
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