Title:
DOMAIN WALL MOTION TYPE MAGNETIC RECORDING ELEMENT
Document Type and Number:
WIPO Patent Application WO/2019/139029
Kind Code:
A1
Abstract:
A domain wall motion type magnetic recording element (100) according to one embodiment of the present invention is provided with: a first ferromagnetic layer (10) which contains a ferromagnetic body; a non-magnetic layer (30) which faces the first ferromagnetic layer (10); and a magnetic recording layer (20) which sandwiches the non-magnetic layer (30) between itself and the first ferromagnetic layer (10), and which has the long axis in a first direction when viewed from the stacking direction of the first ferromagnetic layer (10), while having a domain wall (21) inside. The magnetic recording layer (20) has a recessed and projected structure, which traps the domain wall (21), in a second surface that is on the reverse side of a first surface that faces the non-magnetic layer (30).
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Inventors:
ITO KUNIYASU (JP)
SHIBATA TATSUO (JP)
SHIBATA TATSUO (JP)
Application Number:
PCT/JP2019/000323
Publication Date:
July 18, 2019
Filing Date:
January 09, 2019
Export Citation:
Assignee:
TDK CORP (JP)
International Classes:
H01L21/8239; H01L27/105; H01L29/82; H01L43/08
Domestic Patent References:
| WO2006046591A1 | 2006-05-04 | |||
| WO2009101827A1 | 2009-08-20 | |||
| WO2016182085A1 | 2016-11-17 |
Foreign References:
| JP2010141340A | 2010-06-24 |
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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