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.

Date of Patent:
Jul. 08, 2025

Filed:

Feb. 11, 2022
Applicant:

Kioxia Corporation, Tokyo, JP;

Inventors:

Nozomi Karyu, Yokkaichi, JP;

Genki Kawaguchi, Yokkaichi, JP;

Assignee:

Kioxia Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/522 (2006.01); H10B 43/27 (2023.01); H10B 43/40 (2023.01);
U.S. Cl.
CPC ...
H01L 23/5226 (2013.01); H10B 43/27 (2023.02); H10B 43/40 (2023.02);
Abstract

A memory device includes: a substrate having a memory region and an external region; a first conductor, in the memory region, being arranged apart from the substrate in a first direction; second and third conductors, in the external region, being arranged apart from the first conductor in a second direction; a first member between the first and second conductors; a second member between the second and third conductors; and an insulating member between the first and second members. The first and second members each includes a lower portion extending in the first direction and reaching below the second conductor and an upper portion having a side surface outside an extension of a side surface of the lower portion. The insulating member includes lower and upper ends located below and above each of the upper portions, respectively.


Find Patent Forward Citations

Loading…