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:
Sep. 19, 2023
Filed:
Dec. 01, 2020
Applicant:
Globalfoundries U.s. Inc., Santa Clara, CA (US);
Inventors:
Brett T. Cucci, Colchester, VT (US);
Siva P. Adusumilli, South Burlington, VT (US);
Johnatan A. Kantarovsky, South Burlington, VT (US);
Claire E. Kardos, Essex Junction, VT (US);
Sen Liu, Piscataway, NJ (US);
Assignee:
GLOBALFOUNDRIES U.S. INC., Malta, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/06 (2006.01); H01L 21/768 (2006.01); H01L 21/764 (2006.01);
U.S. Cl.
CPC ...
H01L 29/0649 (2013.01); H01L 21/764 (2013.01); H01L 21/7682 (2013.01);
Abstract
The present disclosure relates to semiconductor structures and, more particularly, to airgap isolation structures and methods of manufacture. The structure includes: a bulk substrate material; a first airgap isolation structure in the bulk substrate material and having a first aspect ratio; and a second airgap isolation structure in the bulk substrate material and having a second aspect ratio different from the first aspect ratio.