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Title:
TRANSPARENT SUBSTRATE AND OPTICAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/137979
Kind Code:
A1
Abstract:
This transparent substrate comprises: a base body; an optical waveguide part; and a diffraction lens part. The base body includes a bottom surface and a lateral surface. The optical waveguide part: includes a first end located at the bottom surface and a second end located at the lateral surface; and extends, inside the base body, from the second end to the first end. The diffraction lens part is located at the first end and/or the second end.

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Inventors:
ITAKURA YOSHIAKI (JP)
Application Number:
PCT/JP2019/050374
Publication Date:
July 02, 2020
Filing Date:
December 23, 2019
Export Citation:
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Assignee:
KYOCERA CORP (JP)
International Classes:
G02B3/00; G02B5/18; G02B6/00; G02B6/42
Foreign References:
JP2016161945A2016-09-05
JP2004252153A2004-09-09
JP2005037518A2005-02-10
JP2008286962A2008-11-27
JP2005038956A2005-02-10
US20070104414A12007-05-10
JP2004233894A2004-08-19
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