US Patent 7436613 Magnetic recording device

Patent 7436613 was granted and assigned to Hitachi on October, 2008 by the United States Patent and Trademark Office.

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Patent Inventor Names

Hiromasa Takahashi0

Kenchi Ito0

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Patent abstract

A magnetic recording device which can write magnetic information with high density. The device uses, for a magnetic recording layer of a magnetic recording medium, a magnetic material whose anisotropy energy varies with an applied electric field. The head has an electrode for applying an electric field to a recording area of the magnetic recording medium. Magnetic recording is performed by applying an AC electric field from the electrode while a DC magnetic field is applied to the recording area of the magnetic recording layer.

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Official Website

https://pdfpiw.uspto.gov/.piw?Docid=074366130

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