Magnetic recording medium and magnetic read/write apparatus

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United States of America Patent

PATENT NO 12087341
APP PUB NO 20200357436A1
SERIAL NO

16862809

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Abstract

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A magnetic recording medium includes a substrate, an underlayer formed on the substrate, and a magnetic layer formed on the underlayer. The magnetic layer includes an alloy having a L10 structure. The underlayer includes a first underlayer and a second underlayer. The first underlayer includes Mo and Ru, the content of Ru in the first underlayer is in a range of 5 atom % to 30 atom %, and the second underlayer includes a material having a body-centered cubic (BCC) structure. The second underlayer is formed between the first underlayer and the substrate.

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Patent Owner(s)

Patent OwnerAddress
RESONAC HARD DISK CORPORATION5-1 YAWATA KAIGAN DORI ICHIHARA CHIBA 290-0067

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fukushima, Takayuki Chiba, JP 92 515
Koyanagi, Hiroshi Chiba, JP 8 6
Nemoto, Hiroaki Chiba, JP 62 645
Niwa, Kazuya Chiba, JP 32 247
Shibata, Hisato Chiba, JP 28 57
Shige, Tomoo Chiba, JP 21 46
Umemoto, Yuji Chiba, JP 38 735
Xu, Chen Chiba, JP 336 1930
Yamaguchi, Takehiro Chiba, JP 45 160
Zhang, Lei Chiba, JP 2799 20393

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