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:
Jan. 03, 2023

Filed:

Mar. 09, 2021
Applicant:

Globalfoundries U.s. Inc., Santa Clara, CA (US);

Inventors:

Nicholas A. Polomoff, Hopewell Junction, NY (US);

Jae Kyu Cho, Niskayuna, NY (US);

Frank Kuechenmeister, Dresden, DE;

John J. Ellis-Monaghan, Grand Isle, VT (US);

Michal Rakowski, Ballston Lake, NY (US);

Assignee:

GlobalFoundries U.S. Inc., Santa Clara, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/42 (2006.01); G02B 6/122 (2006.01); G02B 6/13 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/4298 (2013.01); G02B 6/0065 (2013.01); G02B 6/1225 (2013.01); G02B 6/13 (2013.01);
Abstract

Structures including an edge coupler and a crackstop, as well as methods of forming a structure including an edge coupler and a crackstop. A waveguide core and a crackstop are located over a top surface of a dielectric layer. A communication passageway is either optically coupled or electrically coupled to the waveguide core. The communication passageway, which may include an electric conductor or a buried waveguide core, extends laterally beneath the crackstop.


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