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. 21, 2020
Filed:
Oct. 31, 2018
Applicant:
United Microelectronics Corp., Hsin-Chu, TW;
Inventors:
Chiu-Jung Chiu, Tainan, TW;
Yu-Chun Chen, Kaohsiung, TW;
Ya-Sheng Feng, Tainan, TW;
Hung-Chan Lin, Tainan, TW;
Assignee:
UNITED MICROELECTRONICS CORP., Hsin-Chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/22 (2006.01); H01L 43/02 (2006.01); H01L 43/10 (2006.01); H01L 43/12 (2006.01); G11C 11/16 (2006.01);
U.S. Cl.
CPC ...
H01L 43/02 (2013.01); G11C 11/161 (2013.01); H01L 27/222 (2013.01); H01L 43/10 (2013.01); H01L 43/12 (2013.01); G11C 2211/5615 (2013.01);
Abstract
A magnetoresistance device is disclosed, comprising a bottom electrode, a magnetic tunneling junction (MTJ) disposed on the bottom electrode, a top electrode disposed on the magnetic tunneling junction, a first spacer disposed on the magnetic tunneling junction and covering a sidewall of the top electrode, and a second spacer disposed on the first spacer and conformally covering along a sidewall of the first spacer, a sidewall of the magnetic tunneling junction and a sidewall of the bottom electrode.