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:
Apr. 01, 2025
Filed:
May. 23, 2022
Taiwan Semiconductor Manufacturing Company, Ltd., Hsinchu, TW;
Fu-Ting Sung, Yangmei, TW;
Huachun Liu, Hsinchu County, TW;
Taiwan Semiconductor Manufacturing Company, Ltd., Hsinchu, TW;
Abstract
The present disclosure relates to a memory device that includes a bottom electrode, a data storage structure overlying the bottom electrode, a top electrode overlying the data storage structure, a mask overlying the top electrode, and a sidewall spacer extending alongside the data storage structure and alongside the mask. The sidewall spacer extends to a height above an upper surface of the mask. A top electrode via (TEVA) extends through the mask to the top electrode and extends into the sidewall spacer, where a first curved portion of the sidewall spacer extends along a top surface of the mask and is spaced apart from the TEVA.