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.

Date of Patent:
Sep. 06, 2016

Filed:

Aug. 15, 2014
Applicant:

National Taiwan University, Taipei, TW;

Inventors:

Wen-Jeng Hsueh, Taipei, TW;

Chang-Hung Chen, Taipei, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/39 (2006.01); H01L 27/22 (2006.01); H01L 43/08 (2006.01);
U.S. Cl.
CPC ...
H01L 27/228 (2013.01); G11B 5/3909 (2013.01); H01L 43/08 (2013.01);
Abstract

A magnetic tunnel junction is provided. The magnetic tunnel junction can enhance the tunnel magnetoresistance ratio and a device including the magnetic tunnel junction. The magnetic tunnel junction includes: a pinned layer; a free layer; and a superlattice barrier, the barrier configured between the pinned layer and the free layer. The magnetic tunnel junction may be a series or parallel connection of the above-mentioned basic form. The device including a magnetic tunnel junction may be a magnetic random access memory bit cell, a magnetic tunnel junction transistor device, a magnetic field sensor, etc.


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