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. 25, 2012
Filed:
Feb. 11, 2010
Masayoshi Iwayama, Kawasaki, JP;
Masayoshi Iwayama, Kawasaki, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A magnetoresistive element of an aspect of the present invention including a lower electrode provided on an insulating layer on a semiconductor substrate, a first ferromagnetic layer provided on the lower electrode, a first tunnel barrier layer provided on the first ferromagnetic layer, a second ferromagnetic layer provided on the first tunnel barrier layer, and an upper electrode provided on the second ferromagnetic layer, wherein the upper electrode has a hexagonal cross-sectional shape, and a maximum size of the upper electrode in a first direction is larger than a size of the first tunnel barrier layer in the first direction, the first direction being horizontal relative to a surface of the semiconductor substrate.