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SOFT MAGNETIC ALLOY AND MAGNETIC DEVICE 发明申请

2023-11-24 2550 290K 0

专利信息

申请日期 2025-07-07 申请号 EP18154180
公开(公告)号 EP3354759A1 公开(公告)日 2018-08-01
公开国别 EP 申请人省市代码 全国
申请人 TDK Corporation
简介 A soft magnetic alloy comprising a main component having a compositional formula of (Fe(1-(α+β))X1αX2β)(1-(a+b+c))MaBbPc, and a sub component including at least C, S and Ti, wherein X1 is one or more selected from the group consisting of Co and Ni, X2 is one or more selected from the group consisting of Al, Mn, Ag, Zn, Sn, As, Sb, Bi, and rare earth elements, "M" is one or more selected from the group consisting of Nb, Hf, Zr, Ta, Mo, W, and V, 0.020 ≤ a ≤ 0.14, 0.020 ≤ b ≤ 0.20, 0 ≤ c ≤ 0.040, α ≥ 0, β ≥ 0, and 0 ≤ α + β ≤ 0.50 are satisfied, when entire said soft magnetic alloy is 100 wt%, a content of said C is 0.001 to 0.050 wt%, a content of said S is 0.001 to 0.050 wt%, and a content of said Ti is 0.001 to 0.080 wt%, and when a value obtained by dividing the content of said C by the content of said S is C/S, then C/S satisfies 0.10 ≤ C/S ≤ 10.


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