CYLINDRICAL BONDED MAGNET, METHOD OF PRODUCING CYLINDRICAL BONDED MAGNET, AND MOLD FOR FORMING CYLINDRICAL BONDED MAGNET
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United States of America
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Issued Date -
Jan 9, 2025
app pub date -
Jul 5, 2024
filing date -
Jul 5, 2024
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Abstract
A method of producing a cylindrical bonded magnet includes providing a mold including an inner mold portion, an outer mold portion, a first orientation magnet, and a second orientation magnet, and performing molding to obtain a cylindrical bonded magnet by filling a region between the outer surface of the inner mold portion and the inner surface of the outer mold portion with a resin composition. When viewed in a cross-section, a first distance is shorter than a second distance, the first distance is a straight line distance along a magnetic field application direction and is tangent to a circle defined by the inner surface of the outer mold portion, and the second distance is a straight line distance along the magnetic field application direction and passes through a center of a circle defined by the outer surface of the inner mold portion.
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