发明名称 SPUTTERING TARGET FOR PERMANENT MAGNET THIN FILM AND METHOD FOR PRODUCING THE SAME
摘要 <P>PROBLEM TO BE SOLVED: To provide a sputtering target for a permanent magnet thin film which can improve the magnetic properties of a permanent magnet thin film such as an Nd-Fe-B based permanent magnet thin film, and a method for producing the same. <P>SOLUTION: The sputtering target is composed of a sintered compact represented by a compositional formula in atomic ratio of R<SB POS="POST">x</SB>T<SB POS="POST">100-x-y</SB>M<SB POS="POST">y</SB>(R denotes at least one kind among rare earth elements, wherein Nd and/or Pr is necessarily included; T denotes at least one kind among transition elements, wherein Fe is necessarily included; and M denotes B or B and C, wherein 50 atomic%&le;B/M is satisfied), and in which x and y satisfy 17&le;x&le;20, and 7&le;y&le;10, and having an oxygen content of &le;1,500 ppm. <P>COPYRIGHT: (C)2013,JPO&INPIT
申请公布号 JP2012207274(A) 申请公布日期 2012.10.25
申请号 JP20110074052 申请日期 2011.03.30
申请人 HITACHI METALS LTD 发明人 UEHARA MINORU
分类号 C23C14/34;B22F1/00;B22F3/14;B22F9/04;C22C33/02;C22C38/00;H01F41/02;H01F41/18 主分类号 C23C14/34
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