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Patent Searching and Data


Title:
MAGNETIC RECORDING MEDIUM
Document Type and Number:
WIPO Patent Application WO/2017/221573
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a magnetic recording medium including a magnetic layer or magnetic recording layer which has a granular structure in which magnetic crystal grains have been satisfactorily separated from one another. The magnetic recording medium of the present invention comprises a base, a seed layer, and a magnetic recording layer, the magnetic recording layer comprising a first magnetic layer, which is a continuous film constituted of an ordered alloy, and a second magnetic layer, which has a granular structure comprising magnetic crystal grains constituted of an ordered alloy and non-magnetic crystal grain boundaries, and the seed layer comprising a material selected from the group consisting of NaCl-type compounds, spinel-type compounds, and perovskite-type compounds.

Inventors:
MORIYA TOMOHIRO (JP)
NAKATA HITOSHI (JP)
SHIMATSU TAKEHITO (JP)
Application Number:
PCT/JP2017/017764
Publication Date:
December 28, 2017
Filing Date:
May 10, 2017
Export Citation:
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Assignee:
FUJI ELECTRIC CO LTD (JP)
UNIV TOHOKU (JP)
International Classes:
G11B5/65; G11B5/66; G11B5/738
Foreign References:
JP2016040748A2016-03-24
JP2007299492A2007-11-15
JP2009059461A2009-03-19
Attorney, Agent or Firm:
TANI & ABE, P.C. (JP)
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