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:
Dec. 08, 2020
Filed:
Feb. 20, 2020
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Zhenyao Tang, Tokyo, JP;
Tomoyuki Sasaki, Tokyo, JP;
Assignee:
TDK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/8239 (2006.01); G01R 33/09 (2006.01); H01L 27/105 (2006.01); H01L 27/22 (2006.01); H01L 43/08 (2006.01); H01L 43/10 (2006.01);
U.S. Cl.
CPC ...
H01L 21/8239 (2013.01); G01R 33/093 (2013.01); G01R 33/098 (2013.01); H01L 27/105 (2013.01); H01L 27/228 (2013.01); H01L 43/08 (2013.01); H01L 43/10 (2013.01);
Abstract
A TMR element includes a magnetic tunnel junction, a side wall portion that covers a side surface of the magnetic tunnel junction, and a minute particle region that is disposed in the side wall portion. The side wall portion includes an insulation material. The minute particle region includes the insulation material and a plurality of minute magnetic metal particles that are dispersed in the insulation material. The minute particle region is electrically connected in parallel with the magnetic tunnel junction.