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:
Oct. 08, 2024

Filed:

Dec. 21, 2021
Applicant:

Micron Technology, Inc., Boise, ID (US);

Inventors:

Naoyoshi Kobayashi, Higashihiroshima, JP;

Tsuyoshi Tomoyama, Higashihiorshima, JP;

Assignee:

MICRON TECHNOLOGY, INC., Boise, ID (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10B 12/00 (2023.01);
U.S. Cl.
CPC ...
H10B 12/50 (2023.02); H10B 12/09 (2023.02); H10B 12/315 (2023.02); H10B 12/34 (2023.02); H10B 12/488 (2023.02);
Abstract

An apparatus includes a substrate; a memory cell region provided over the substrate; a peripheral region provided over the substrate and adjacent to the memory cell region; and a plurality of word-lines extending in parallel across the memory cell region and the peripheral region; a first insulating film covering top surfaces of the plurality of word-lines in each of the memory cell region and the peripheral region and covering side surfaces of upper portions of the plurality of word-lines in the peripheral region without covering side surfaces of the upper portions of the plurality of word-lines in the memory cell region.


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