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:
Sep. 16, 2025
Filed:
May. 25, 2022
Nanya Technology Corporation, New Taipei, TW;
Chih-Hsuan Yeh, Taoyuan, TW;
NANYA TECHNOLOGY CORPORATION, New Taipei, TW;
Abstract
The present application discloses a semiconductor device with a contact structure. The semiconductor device includes a bottom dielectric layer positioned on a substrate; a bottom conductive layer positioned in the bottom dielectric layer; an etch stop layer positioned on the bottom conductive layer; a first inter-dielectric layer positioned on the etch stop layer; and a contact structure including a body portion positioned along the first inter-dielectric layer and extending to the etch stop layer, and a contact portion positioned in the etch stop layer and contacting the body portion and the bottom conductive layer. A width of the body portion is greater than a width of the contact portion.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile