SOFT MAGNETIC ALLOY POWDER, DUST CORE, MAGNETIC COMPONENT, AND ELECTRONIC DEVICE
First Claim
Patent Images
1. A soft magnetic alloy powder comprising a main component of (Fe(1−
- (α
+β
))X1α
X2β
)(1−
(a+b+c+d+e+f))MaBbPcSidCeSf, in whichX1 is one or more of Co and Ni,X2 is one or more of Al, Mn, Ag, Zn, Sn, As, Sb, Cu, Cr, Bi, N, O, and rare earth elements, andM is one or more of Nb, Hf, Zr, Ta, Mo, W, Ti, and V,wherein0≤
a≤
0.160,0.020≤
b≤
0.200,0≤
c≤
0.150,0≤
d≤
0.060,0≤
e≤
0.030,0.0010≤
f≤
0.030,0.005≤
f/b≤
1.50,α
≥
0,β
≥
0, and0≤
α
+β
≤
0.50 are satisfied.
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Abstract
A soft magnetic alloy powder includes a main component of (Fe(1−(α+β))X1αX2β)(1−(a+b+c+d+e+f))MaBbPcSidCeSf, in which X1 is one or more of Co and Ni, X2 is one or more of Al, Mn, Ag, Zn, Sn, As, Sb, Cu, Cr, Bi, N, O, and rare earth elements, and M is one or more of Nb, Hf, Zr, Ta, Mo, W, Ti, and V. 0≤a≤0.160, 0.020≤b≤0.200, 0≤c≤0.150, 0≤d≤0.060, 0≤e≤0.030, 0.0010≤f≤0.030, 0.005≤f/b≤1.50, α≥0, β≥0, and 0≥α+β≥0.50 are satisfied.
7 Citations
11 Claims
-
1. A soft magnetic alloy powder comprising a main component of (Fe(1−
- (α
+β
))X1α
X2β
)(1−
(a+b+c+d+e+f))MaBbPcSidCeSf, in whichX1 is one or more of Co and Ni, X2 is one or more of Al, Mn, Ag, Zn, Sn, As, Sb, Cu, Cr, Bi, N, O, and rare earth elements, and M is one or more of Nb, Hf, Zr, Ta, Mo, W, Ti, and V, wherein 0≤
a≤
0.160,0.020≤
b≤
0.200,0≤
c≤
0.150,0≤
d≤
0.060,0≤
e≤
0.030,0.0010≤
f≤
0.030,0.005≤
f/b≤
1.50,α
≥
0,β
≥
0, and0≤
α
+β
≤
0.50 are satisfied. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
- (α
Specification
-
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Current AssigneeTDK Corporation
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Original AssigneeTDK Corporation
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InventorsYOSHIDOME, Kazuhiro, MATSUMOTO, Hiroyuki, HORINO, Kenji, HOSONO, Masakazu, KAJIURA, Yoshiki
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Application NumberUS16/665,000Publication NumberTime in Patent OfficeDaysField of SearchUS Class CurrentCPC Class CodesC22C 38/00 Ferrous alloys, e.g. steel ...C22C 38/002 containing In, Mg, or other...C22C 38/02 containing siliconC22C 38/12 containing tungsten, tantal...C22C 45/02 with iron as the major cons...H01F 1/15325 containing rare earthsH01F 1/15333 containing nanocrystallites...H01F 3/08 made from powder powder coa...
