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:
Oct. 17, 2023
Filed:
Sep. 14, 2020
Applicant:
Kioxia Corporation, Tokyo, JP;
Inventors:
Tatsunori Isogai, Yokkaichi, JP;
Masaki Noguchi, Yokkaichi, JP;
Tatsufumi Hamada, Nagoya, JP;
Shinichi Sotome, Yokkaichi, JP;
Assignee:
Kioxia Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 23/552 (2006.01); H10B 43/27 (2023.01); H10B 43/35 (2023.01); H01L 21/324 (2006.01);
U.S. Cl.
CPC ...
H01L 23/552 (2013.01); H01L 21/324 (2013.01); H10B 43/27 (2023.02); H10B 43/35 (2023.02);
Abstract
A semiconductor device according to an embodiment includes a stacked body having first films and second films that are alternately stacked, a light shielding film provided in a specific layer of the stacked body and having a higher optical absorptivity than that of the second films, and a channel film extending in the stacked body in the stacking direction. The channel film includes a first part located on an upper side than the light shielding film in the stacking direction and containing a monocrystalline semiconductor.