Perpendicular magnetic recording -Its development and realization-

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概要

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• The principle of conventional magnetic recording is that magnetic fields are applied parallel to the plane of the magnetic medium. As described in this paper, the invention and development of a new method of placing the magnetized information perpendicular to the plane of the magnetic recording medium is presented. The yield in the mass production of high-density hard disk drives (HDDs) for perpendicular recording is much higher than that of HDDs for conventional recording. Consequently, it is estimated that as many as 75% of the 500 million HDDs to be shipped this year will use this technology.<BR><BR>(Contributed by Shun-ichi IWASAKI, M.J.A.)

• 日本学士院の論文

著者

• IWASAKI Shun-ichi

  Tohoku Institute of Technology

関連論文

• Perpendicular magnetic recording -Its development and realization-

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