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.

Date of Patent:
Feb. 24, 2026

Filed:

May. 30, 2023
Applicant:

Globalfoundries U.s. Inc., Malta, NY (US);

Inventors:

Yusheng Bian, Ballston Lake, NY (US);

Ryan Sporer, Mechanicville, NY (US);

Karen Nummy, Newburgh, NY (US);

Assignee:

GlobalFoundries U.S. Inc., Malta, NY (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/124 (2006.01); G02B 6/12 (2006.01); G02B 6/13 (2006.01);
U.S. Cl.
CPC ...
G02B 6/124 (2013.01); G02B 6/13 (2013.01); G02B 2006/12104 (2013.01); G02B 2006/12107 (2013.01);
Abstract

Structures for a photonics chip that include a reflector and methods of forming such structures. The structure comprises a reflector including a dielectric layer on a semiconductor substrate, a plurality of trenches in the dielectric layer, and a reflector layer. Each trench includes a plurality of sidewalls, and the reflector layer includes a portion on the sidewalls of each trench. The structure further comprises a photonic component over the reflector.


Find Patent Forward Citations

Loading…