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:
Jul. 05, 2022
Filed:
Jul. 02, 2020
Applicant:
Globalfoundries U.s. Inc., Santa Clara, CA (US);
Inventors:
Yusheng Bian, Ballston Lake, NY (US);
Won Suk Lee, Malta, NY (US);
Abdelsalam A. Aboketaf, Essex Junction, VT (US);
Assignee:
GLOBALFOUNDRIES U.S. INC., Malta, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/293 (2006.01); G02B 6/26 (2006.01); G02B 6/122 (2006.01); G02B 6/12 (2006.01);
U.S. Cl.
CPC ...
G02B 6/26 (2013.01); G02B 6/1228 (2013.01); G02B 6/266 (2013.01); G02B 6/29331 (2013.01); G02B 2006/12126 (2013.01);
Abstract
The present disclosure relates to semiconductor structures and, more particularly, to waveguide attenuators and methods of manufacture. The structure includes: a main bus waveguide structure; a first hybrid waveguide structure evanescently coupled to the main bus waveguide structure and comprising a first geometry of material; and a second hybrid waveguide structure evanescently coupled to the main bus waveguide structure and comprising a second geometry of the material.