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. 11, 2017
Filed:
Dec. 02, 2014
Applicant:
Qualcomm Incorporated, San Diego, CA (US);
Inventors:
Kangho Lee, San Diego, CA (US);
Chando Park, San Diego, CA (US);
Jimmy Kan, San Diego, CA (US);
Matthias Georg Gottwald, Leuven, BE;
Xiaochun Zhu, San Diego, CA (US);
Seung Hyuk Kang, San Diego, CA (US);
Assignee:
QUALCOMM Incorporated, San Diego, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/82 (2006.01); H01L 21/02 (2006.01); H01L 21/00 (2006.01); H01L 43/08 (2006.01); H01L 43/12 (2006.01);
U.S. Cl.
CPC ...
H01L 43/08 (2013.01); H01L 43/12 (2013.01);
Abstract
An apparatus includes a capping layer disposed on top of a free layer. The apparatus also includes a magnetic etch stop layer disposed on top of the capping layer. The capping layer and the magnetic etch stop layer are included in a spin-transfer torque magnetoresistive random access memory (STT-MRAM) magnetic tunnel junction (MTJ) device.