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. 28, 2025

Filed:

Nov. 04, 2022
Applicant:

SK Hynix Inc., Icheon-si, KR;

Inventor:

Jae Ho Kim, Icheon-si, KR;

Assignee:

SK hynix Inc., Icheon-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10D 64/23 (2025.01); H01L 23/532 (2006.01); H10D 64/01 (2025.01); H10D 64/62 (2025.01);
U.S. Cl.
CPC ...
H10D 64/251 (2025.01); H01L 23/53257 (2013.01); H10D 64/01 (2025.01); H10D 64/62 (2025.01);
Abstract

A semiconductor device includes a first contact plug penetrating a source structure, the first contact plug having a first portion having a first width and a second portion having a second width that is larger than the first width, a stack formed on the source structure and the first contact plug, a second contact plug penetrating the stack, the second contact plug connected to the first contact plug, a first spacer surrounding the first portion and the second portion of the first contact plug, and a second spacer surrounding the first spacer to surround the second portion of the first contact plug.


Find Patent Forward Citations

Quick Actions:

Kim, Jae. (2025). Semiconductor device and method for manufacturing the same (U.S. Patent No. 12457788). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12457788

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