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:
Nov. 24, 2020
Filed:
Mar. 14, 2019
Toshiba Memory Corporation, Tokyo, JP;
Shuichi Tsubata, Seoul, KR;
Yasuyuki Sonoda, Seoul, KR;
Kazuhiro Tomioka, Seoul, KR;
Takao Ochiai, Seoul, KR;
TOSHIBA MEMORY CORPORATION, Tokyo, JP;
Abstract
According to one embodiment, a magnetic memory device includes a stacked structure including a magnetic layer, a first insulating layer covering the stacked structure and including a protrusion based on the stacked structure, a second insulating layer provided on the first insulating layer, and an electrode connected to the stacked structure. The first insulating layer has a first hole passing through the first insulating layer, the electrode is connected to the stacked structure at least through the first hole, the second insulating layer has a second hole inside of which a part of the electrode and the protrusion are provided, and the second hole includes a part whose area increases toward the stacked structure.