METHOD OF PREPARING ANISOTROPIC MAGNETIC POWDER COMPRESSION MOLDED PRODUCT AND BONDED MAGNET
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United States of America Patent
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Issued Date -
Apr 4, 2024
app pub date -
Sep 29, 2023
filing date -
Sep 30, 2022
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Abstract
A method of preparing an anisotropic magnetic powder compression molded product, the method including: compressing a magnetic powder in a mold using a compression punch while magnetically orienting the magnetic powder to obtain a compressed magnetic powder, wherein the compression punch has a contact surface with the magnetic powder that is not perpendicular to a compression direction; and compression molding the compressed magnetic powder using a molding punch having a different shape from the compression punch.
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