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. 15, 2026
Filed:
Nov. 23, 2023
Nanya Technology Corporation, New Taipei City, TW;
Cheng-Hsiang Fan, Taoyuan City, TW;
NANYA TECHNOLOGY CORPORATION, New Taipei City, TW;
Abstract
The present disclosure provides a semiconductor device with an air gap between a bit line structure and capacitor contact and also provides a method for preparing the same. The method includes defining an active region in a substrate, forming a bit line structure and capacitor contact disposed over and electrically connected to the active region, forming a first spacer structure sandwiched between the bit line structure and the capacitor contact, and forming a second spacer structure disposed over the first spacer structure. The first spacer structure includes an air gap structure and the air gap structure is covered by the second spacer structure.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile