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. 20, 2021
Filed:
Oct. 09, 2019
Applicant:
Globalfoundries U.s. Inc., Santa Clara, CA (US);
Inventors:
Colleen Meagher, Beacon, NY (US);
Karen Nummy, Newburgh, NY (US);
Yusheng Bian, Ballston Lake, NY (US);
Ajey Poovannummoottil Jacob, Watervliet, NY (US);
Assignee:
GLOBALFOUNDRIES U.S. INC., Santa Clara, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/122 (2006.01); G02B 6/136 (2006.01); G02B 6/12 (2006.01);
U.S. Cl.
CPC ...
G02B 6/1225 (2013.01); G02B 6/136 (2013.01); G02B 2006/12061 (2013.01);
Abstract
Structures including a waveguide core and methods of fabricating a structure that includes a waveguide core. A dielectric layer including a trench with a first sidewall and a second sidewall, and a waveguide core positioned inside the trench between the first and second sidewalls of the trench. The waveguide core has a first width, and the trench has a second width between the first and second sidewalls that is greater than the first width.