RARE EARTH THIN FILM MAGNET, PROCESS FOR PRODUCING SAME, AND TARGET FOR FORMING RARE EARTH THIN FILM MAGNET
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United States of America Patent
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Nov 24, 2016
app pub date -
Mar 3, 2015
filing date -
Jun 4, 2014
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Abstract
The present invention provides a rare earth thin film magnet having Nd, Fe, and B as essential components, wherein the rare earth thin film magnet has a texture in which an α-Fe phase and a Nd2Fe14B phase are alternately arranged three-dimensionally, and each phase has an average crystal grain size of 10 to 30 nm. An object of this invention is to provide a rare earth thin film magnet having superior mass productivity and reproducibility and favorable magnetic properties, as well as to provide the production method thereof and a target for producing the thin film.
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