Showa Denko K.k.

Shun Matsumoto

Daizo Endo

Hiroshi Osawa

A magnetic recording medium includes an orientation adjusting layer, a nonmagnetic under layer, a nonmagnetic intermediate layer, a magnetic layer and a protective layer sequentially stacked on a nonmagnetic substrate provided on a first surface thereof with a texture streak and used for a magnetic disc. The nonmagnetic under layer contains at least a layer formed of a Cr&#x2014;Mn-based alloy and possesses magnetic anisotropy having an axis of easy magnetization in a circumferential direction thereof. A magnetic recording and reproducing device includes the magnetic recording medium and a magnetic head for enabling information to be recorded in and reproduced from the magnetic recording medium.

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Ichihara, Japan

Shun Matsumoto