DUST CORE AND METHOD FOR MANUFACTURING DUST CORE
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United States of America
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Issued Date -
Apr 10, 2025
app pub date -
Dec 12, 2022
filing date -
Dec 12, 2022
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Abstract
A dust core includes a metal magnetic powder and a binding agent that binds particles of the metal magnetic powder. The binding agent includes a silicone resin and an epoxy resin. In an elemental analysis of the dust core based on an image of a cross section of the dust core, when a silicon (Si) element and a carbon (C) element are detected on a weight basis at 15 measurement points between the particles of the metal magnetic powder in the image, a difference between a maximum value and a minimum value of x/(x+y) values at the 15 measurement points is at most 0.243, where x denotes an amount of the Si element detected and y denotes an amount of the C element detected.
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