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.:
Date of Patent:
Nov. 04, 2025
Filed:
Feb. 11, 2022
SK Keyfoundry Inc., Cheongju-si, KR;
Sang Geun Koo, Cheongju-si, KR;
Jong Yeul Jeong, Cheongju-si, KR;
SK keyfoundry Inc., Cheongju-si, KR;
Abstract
A semiconductor device is provided. The semiconductor device includes a logic region and a capacitor region, wherein the capacitor region comprises a bottom electrode disposed on a substrate; a top electrode disposed on the bottom electrode; a first inter-metal dielectric film disposed between the substrate and the bottom electrode; a second inter-metal dielectric film and a third inter-metal dielectric film disposed between the top electrode and the bottom electrode; a passivation film disposed on the top electrode, wherein the top electrode is configured to have a rounded top corner, and the bottom electrode is configured to have a sharp top corner.