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:
Nov. 26, 2019
Filed:
Jan. 12, 2018
Applicant:
Electronics and Telecommunications Research Institute, Daejeon, KR;
Inventor:
Shinmo An, Daejeon, KR;
Assignee:
Electronics and Telecommunications Research Institute, Daejeon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/10 (2006.01); G02B 6/27 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/105 (2013.01); G02B 6/0036 (2013.01); G02B 6/2766 (2013.01);
Abstract
Provided is a polarization controller. The polarization controller includes a substrate, a first core disposed on the substrate and having a rectangular parallelepiped shape, a first cladding layer configured to cover the first core and the substrate and including a groove parallel to the first core in an edge of an upper end thereof, and a metal pattern disposed in the groove and including a first side surface and a bottom surface, which are adjacent to the first core.