Masato Sagawa

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Sagawa demonstrates his magnet, 1 gram of an Nd-Fe-B magnet holds a 1.9 kg bottle of water

Masato Sagawa ( Japanese 佐川 眞 人 , Sagawa Masato ; born August 3, 1943 in Tokushima ) is a Japanese solid-state physicist . He is known for the development of the neodymium magnet - permanent magnet .

Sagawa studied at the University of Kobe with a bachelor's degree in 1966 and a master's degree in 1968 and received his doctorate in 1972 from Tōhoku University . He then worked at the Fujitsu Laboratories until 1982 and then at Sumitomo Special Metals, after not finding support for the development of his magnet from Fujitsu.

He demonstrated his magnet in 1983 and founded the company Intermetallics in 1988.

In 1986 he received the James C. McGroddy Prize for New Materials . In 1990 he received the Asahi Prize and in 2012 the Japan Prize .

Fonts

  • with others: New material for permanent magnets on a base of Nd and Fe , Journal of Applied Physics, Volume 55, 1984, p. 2083.
  • with others: Permanent magnet materials based on the rare earth-iron-boron tetragonal compounds , IEEE Transactions on Magnetics, Volume 20, 1984, pp. 1584-1589.

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