Soft Magnetic Powder, Powder Magnetic Core, Magnetic Element, And Electronic Device
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United States of America Patent
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Jan 23, 2025
app pub date -
Jul 18, 2024
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Jul 18, 2024
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Abstract
A soft magnetic powder has a composition represented by FexCuaNbb(Si1-y(B1-zCrz)y)100-x-a-b [where a, b, x, y, and z satisfy 0.3≤a≤2.0, 2.0≤b≤4.0, 75.5≤x≤79.5, 0.55≤y≤0.91, and 0.015≤z≤0.185], and includes an amorphous phase and a crystalline phase, wherein defining a content of Cr determined by OES as X(Cr), and a content of Cr and a content of B in the amorphous phase determined by EDX as Y(Cr) and Y(B), the formulas (1) and (2) are satisfied:
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