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:
Aug. 08, 2023
Filed:
Aug. 03, 2021
Applicant:
Globalfoundries Singapore Pte. Ltd., Singapore, SG;
Inventors:
Assignee:
GLOBALFOUNDRIES SINGAPORE PTE. LTD., Singapore, SG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/423 (2006.01); G11C 8/14 (2006.01); H01L 29/08 (2006.01); H01L 21/28 (2006.01); H01L 29/788 (2006.01); H01L 29/66 (2006.01); G11C 16/14 (2006.01); H10B 41/10 (2023.01);
U.S. Cl.
CPC ...
H01L 29/42328 (2013.01); G11C 8/14 (2013.01); G11C 16/14 (2013.01); H01L 29/0847 (2013.01); H01L 29/40114 (2019.08); H01L 29/66825 (2013.01); H01L 29/788 (2013.01); H10B 41/10 (2023.02);
Abstract
A nonvolatile memory device is provided. The device comprises an active region, a floating gate over the active region and a wordline next to the floating gate. The floating gate has at least two narrow tips adjacent to the wordline and a portion of the floating gate between the narrow tips has a concave profile.