The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 19, 2016
Filed:
Sep. 19, 2014
Applicant:
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Inventor:
Masahiro Iwama, Kawasaki, JP;
Assignee:
FUJITSU LIMITED, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/02 (2006.01); G02B 6/42 (2006.01); H01L 31/0203 (2014.01); H01L 31/0232 (2014.01);
U.S. Cl.
CPC ...
G02B 6/42 (2013.01); G02B 6/421 (2013.01); G02B 6/428 (2013.01); G02B 6/4214 (2013.01); H01L 31/0203 (2013.01); H01L 31/0232 (2013.01);
Abstract
A disclosed optical semiconductor element includes: a semiconductor substrate having a first main surface and a second main surface in which a plurality of first grooves are formed; a first optical waveguide defined by portions of the semiconductor substrate between the first grooves and having side faces defined by the first grooves; and a photoelectric converter configured to transmit or receive an optical signal propagating through the first optical waveguide. Moreover, the first grooves define part of a guide hole.