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:
Jul. 07, 2020
Filed:
May. 29, 2019
Applicant:
Marvell International Ltd., Hamilton, BM;
Inventors:
Assignee:
Marvell International Ltd., Hamilton, BM;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 43/08 (2006.01); H01L 43/12 (2006.01); H01L 43/02 (2006.01); H01L 27/22 (2006.01);
U.S. Cl.
CPC ...
H01L 43/08 (2013.01); H01L 27/228 (2013.01); H01L 43/02 (2013.01); H01L 43/12 (2013.01);
Abstract
A semiconductor device comprises a first conductive material, a contact, an a magnetic tunneling junction positioned between the first conductive material and the contact. The semiconductor device further comprises a spacer that is positioned between the first conductive material and the contact and surrounds at least a portion of the magnetic tunneling junction. The spacer comprises spacer material that has at least some etch selectivity compared to a dielectric material that surrounds at least a portion of the first conductive material.