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:
Feb. 11, 2020
Filed:
Nov. 19, 2018
Globalfoundries Inc., Grand Cayman, KY;
Ajey Poovannummoottil Jacob, Watervliet, NY (US);
Marcus V. S. Dahlem, Santa Maria da Feira, PT;
Humaira Zafar, Abu Dhabi, AE;
Anatol Khilo, Lexington, MA (US);
Sujith Chandran, Abu Dhabi, AE;
GLOBALFOUNDRIES INC., Grand Cayman, KY;
Abstract
The present disclosure relates to semiconductor structures and, more particularly, to a slot assisted grating based transverse magnetic (TM) pass polarizer and methods of manufacture. The structure includes: a waveguide strip composed of a first type of material and having openings along its length which are positioned to reflect/scatter a propagating electromagnetic waves; and grating fin structures on one or both sides of the waveguide strip which are positioned and structured to reflect/scatter the propagating electromagnetic waves.