Perpendicular magnetic recording medium and magnetic storage apparatus

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United States of America Patent

PATENT NO 9013832
APP PUB NO 20140362472A1
SERIAL NO

14297879

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Abstract

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A perpendicular magnetic recording medium includes a nonmagnetic substrate, an underlayer provided above the nonmagnetic substrate, and a perpendicular recording layer provided above the underlayer. The perpendicular recording layer includes a first magnetic layer including Co and Pt and having a granular structure, and a second magnetic layer having magnetic and ferroelectric properties.

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Patent Owner(s)

  • SHOWA DENKO K.K.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sakawaki, Akira Chiba, JP 93 545
Yamane, Akira Chiba, JP 41 431

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