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Patent Searching and Data


Title:
LENS-INTEGRATED LIGHT-RECEIVING ELEMENT AND METHOD OF EXAMINING SAME
Document Type and Number:
WIPO Patent Application WO/2019/176668
Kind Code:
A1
Abstract:
The purpose of the present invention is to examine in a simple manner a positional error between a light-receiving lens and a light-receiving element in a lens-integrated light-receiving element for converting a plurality of optical signals having different wavelengths into a plurality of electrical signals. Provided is a lens-integrated light-receiving element equipped with: one or a plurality of light-receiving lenses for receiving an optical signal; one or a plurality of light-receiving elements positioned on a main axis of the light-receiving lenses to convert the optical signal into an electrical signal; one or a plurality of examination pin holes for passing illumination light; and one or a plurality of examining lenses which have a main axis parallel to the main axis of the light-receiving lenses and focus the illumination light that has passed through the examination pin holes.

Inventors:
YOSHIMATSU Toshihide (9-11 Midori-cho 3-chome, Musashino-sh, Tokyo 85, 〒1808585, JP)
MAEDA Yoshiho (9-11 Midori-cho 3-chome, Musashino-sh, Tokyo 85, 〒1808585, JP)
NAKAJIMA Fumito (9-11 Midori-cho 3-chome, Musashino-sh, Tokyo 85, 〒1808585, JP)
Application Number:
JP2019/008753
Publication Date:
September 19, 2019
Filing Date:
March 06, 2019
Export Citation:
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Assignee:
NIPPON TELEGRAPH AND TELEPHONE CORPORATION (5-1 Otemachi 1-chome, Chiyoda-ku Tokyo, 16, 〒1008116, JP)
International Classes:
H01L31/0232
Attorney, Agent or Firm:
TANI & ABE, P.C. (6-20, Akasaka 2-chome Minato-k, Tokyo 52, 〒1070052, JP)
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