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:
Jul. 04, 2017

Filed:

Mar. 05, 2015
Applicants:

Masatoshi Yoshikawa, Seoul, KR;

Satoshi Seto, Seoul, KR;

Shuichi Tsubata, Seoul, KR;

Kazuhiro Tomioka, Seoul, KR;

Inventors:

Masatoshi Yoshikawa, Seoul, KR;

Satoshi Seto, Seoul, KR;

Shuichi Tsubata, Seoul, KR;

Kazuhiro Tomioka, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/22 (2006.01); H01L 21/00 (2006.01); H01L 43/08 (2006.01); H01L 43/12 (2006.01);
U.S. Cl.
CPC ...
H01L 43/08 (2013.01); H01L 27/224 (2013.01); H01L 43/12 (2013.01); H01L 27/228 (2013.01);
Abstract

According to one embodiment, a method of manufacturing a magnetic memory device includes a stack structure formed of a plurality of layers including a magnetic layer, the method includes forming a lower structure film including at least one layer, etching the lower structure film to form a lower structure of the stack structure, forming an upper structure film including at least one layer on a region including the lower structure, and etching the upper structure film to form an upper structure of the stack structure on the lower structure.


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