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US 11,767,584 B2Granted
Soft magnetic powder, dust core, magnetic element, electronic apparatus, and movable body
AssigneeSeiko Epson Corporation
InventorToshiki Sano
Life of this patent
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Abstract
Provided is soft magnetic powder containing an amorphous metal particle having a composition expressed by a compositional formula Fe100-a-b-c-d-e-f-gCraSibBcCdAleTifCog. Here, a, b, c, d, e, f, and g are that express atom %, 0<a≤3.0, 5.0≤b≤15.0, 7.0≤c≤15.0, 0.1≤d≤3.0, 0<e≤0.016, 0<f≤0.009, and 0≤g≤0.025.
Claims5
Soft magnetic powder comprising an amorphous metal particle having a composition expressed by a compositional formula Fe100-a-b-c-d-e-f-gCraSibBCCdAleTifCog, wherein
- a, b, c, d, e, f, and g are expressed as atom %, where
- 0<a≤3.0,
- 5.0≤b≤15.0,
- 7.0≤c≤15.0,
- 0.1≤d≤3.0,
- 0<e≤0.016,
- 0<f≤0.009,
- 0≤g≤0.025,
- e and f in the compositional formula satisfy 0.20≤e/f≤2.50, and
- e and g in the compositional formula satisfy 0.10≤e/g≤3.00.
7 more elements
Dependencies are inferred from the claim text.