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. 31, 2019
Filed:
Oct. 16, 2017
Tdk Corporation, Tokyo, JP;
Tomoyuki Sasaki, Tokyo, JP;
Yoshitomo Tanaka, Tokyo, JP;
TDK CORPORATION, Tokyo, JP;
Abstract
A TMR element includes a base layer that is disposed on an upper surface of a via interconnect part, a magnetic tunnel junction that is disposed on a surface of the base layer, and an interlayer insulation layer that covers a side surface of each of the via interconnect part and the base layer. The base layer includes a stress relieving region. The magnetic tunnel junction includes a reference layer having a magnetization fixed direction, a magnetization free layer, and a tunnel barrier layer disposed between the reference layer and the magnetization free layer. The interlayer insulation layer includes an insulation material.