Insulator-coated magnetic alloy powder particle, powder magnetic core, and coil part

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United States of America Patent

PATENT NO 11948730
APP PUB NO 20210129218A1
SERIAL NO

17082372

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Abstract

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An insulator-coated magnetic alloy powder particle includes a magnetic alloy powder particle and an insulator that coats a surface of the magnetic alloy powder particle and that has a plurality of protrusions at a surface thereof, wherein the insulator includes a first insulator in a particulate form enclosed in the protrusion, and a second insulator in a film form that coats at least a part of a surface of the first insulator.

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Patent Owner(s)

Patent OwnerAddress
SEIKO EPSON CORPORATIONTOKYO 160-8801

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Inventor(s)

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

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