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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.:

US 12604715 B1

PDFFull Text
Date of Patent:
Apr. 14, 2026

Filed:

Mar. 26, 2024

Isolation structure and memory device

Applicant:

Winbond Electronics Corp., Taichung City, TW;

Inventors:

Che-Jui Hsu, Taichung City, TW;

Ying-Fu Tung, Taichung City, TW;

Chun-Sheng Lu, Taichung City, TW;

Mu-Lin Li, Taichung City, TW;

Assignee:

Winbond Electronics Corp., Taichung City, TW;

Attorney:

JCIPRNET

Primary Examiner:

Julio J Maldonado

Assistant Examiner:

Stanetta D Isaac

Int. Cl.
CPC ...
H10W 10/00 (2026.01); H10B 41/30 (2023.01); H10P 30/40 (2026.01); H10P 50/28 (2026.01); H10W 10/13 (2026.01); H10W 10/17 (2026.01);
U.S. Cl.
CPC ...
H10W 10/014 (2026.01); H10B 41/30 (2023.02); H10P 30/40 (2026.01); H10P 50/283 (2026.01); H10W 10/0121 (2026.01); H10W 10/13 (2026.01); H10W 10/17 (2026.01);
Abstract

An isolation structure, comprising: an isolation material layer, filled in a trench of a substrate; and a protection layer, having two portions extending from a topmost surface of the substrate to a top surface of the isolation material layer across boundaries of the trench, and covering opposite edges of the isolation material layer, wherein the two portions of the protection layer are laterally spaced apart from each other, and the protection layer has an etching selectivity with respect to the isolation material layer.

Find Patent Forward Citations

Hsu, Che-Jui. (2026). Isolation structure and memory device (U.S. Patent No. 12604715). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12604715

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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