Method for manufacturing dust core and dust core

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12046415
APP PUB NO 20210313110A1
SERIAL NO

17219927

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Abstract

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A method for manufacturing a dust core, includes: applying energy to a surface of a soft magnetic powder coated with an insulating body containing a compound having an aluminum-oxygen bond; exposing the soft magnetic powder to an atmosphere having a dew point of −30° C. or higher and 15° C. or lower under an atmospheric pressure; and forming a molded product by pressing the soft magnetic powder at 20 MPa or more and 400 MPa or less.

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Patent Owner(s)

Patent OwnerAddress
SEIKO EPSON CORPORATIONTOKYO 160-8801

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ichikawa, Sukenori Suwa, JP 17 170
Matsumoto, Yasutaka Suwa, JP 42 86

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