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, 2018
Filed:
Jun. 08, 2016
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Mohamad Towfik Krounbi, San Jose, CA (US);
Dustin William Erickson, Morgan Hill, CA (US);
Xueti Tang, Fremont, CA (US);
Donkoun Lee, San Jose, CA (US);
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Abstract
A method for providing magnetic junctions is described. Each magnetic junction includes a free layer. A first portion of a stack for the magnetic junctions is provided. The first portion of a stack includes magnetic layer(s) for the free layer. A hard mask is provided. The hard mask covers a part of the first portion of the stack corresponding to the magnetic junctions. The hard mask includes aperture(s) exposing a second part of the first portion of the stack corresponding to spacing(s) between the magnetic junctions. The spacing(s) are not more than fifty nanometers. The second part of the first portion of the stack is etched. A remaining part of the first portion of the stack forms a first portion of each magnetic junction. This first portion of each magnetic junction includes the free layer. A second portion of the stack for the magnetic junctions is also provided.