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:
Jul. 01, 2025
Filed:
Sep. 23, 2022
Applicant:
Sandisk Technologies Llc, Addison, TX (US);
Inventors:
Ramy Nashed Bassely Said, San Jose, CA (US);
Jiahui Yuan, San Francisco, CA (US);
Lito De La Rama, San Jose, CA (US);
Assignee:
Sandisk Technologies, Inc., Milpitas, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/00 (2006.01); H01L 23/535 (2006.01); H01L 25/00 (2006.01); H01L 25/065 (2023.01); H01L 25/18 (2023.01); H10B 41/27 (2023.01); H10B 41/41 (2023.01); H10B 43/27 (2023.01); H10B 43/40 (2023.01);
U.S. Cl.
CPC ...
H01L 23/535 (2013.01); H01L 24/08 (2013.01); H01L 24/80 (2013.01); H01L 25/0657 (2013.01); H01L 25/18 (2013.01); H01L 25/50 (2013.01); H10B 41/27 (2023.02); H10B 41/41 (2023.02); H10B 43/27 (2023.02); H10B 43/40 (2023.02); H01L 2224/08145 (2013.01); H01L 2224/80006 (2013.01); H01L 2224/80895 (2013.01); H01L 2224/80896 (2013.01); H01L 2924/1431 (2013.01); H01L 2924/14511 (2013.01);
Abstract
A memory device includes a horizontal source layer which is laterally separated into laterally isolated portions located in adjacent memory blocks by a dielectric backside trench fill structure or a source isolation dielectric structure.