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:
Jun. 30, 2026

Filed:

Dec. 08, 2022
Applicant:

United Microelectronics Corp., Hsin-Chu City, TW;

Inventors:

Hsin-Yu Chen, Nantou County, TW;

Chun-Hao Lin, Kaohsiung City, TW;

Yuan-Ting Chuang, Yilan County, TW;

Shou-Wei Hsieh, Hsinchu City, TW;

Assignee:

UNITED MICROELECTRONICS CORP., Hsin-Chu City, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/06 (2006.01); H01L 21/8234 (2006.01); H10D 1/00 (2025.01); H10D 1/68 (2025.01); H10D 84/01 (2025.01); H10D 84/03 (2025.01); H10D 84/80 (2025.01);
U.S. Cl.
CPC ...
H10D 84/811 (2025.01); H10D 1/042 (2025.01); H10D 1/696 (2025.01); H10D 1/714 (2025.01); H10D 1/716 (2025.01); H10D 84/0149 (2025.01); H10D 84/038 (2025.01);
Abstract

A capacitor on a fin structure includes a fin structure. A dielectric layer covers the fin structure. A first electrode extension is embedded within the fin structure. A first electrode penetrates the dielectric layer and contacts the first electrode extension. A second electrode and a capacitor dielectric layer are disposed within the dielectric layer. The capacitor dielectric layer surrounds the second electrode, and the capacitor dielectric layer is between the second electrode and the first electrode extension.


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