Ferrite magnetic substance and method of manufacturing the same

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United States of America Patent

PATENT NO 10388439
APP PUB NO 20180096761A1
SERIAL NO

15377357

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Disclosed is a method of manufacturing a ferrite magnetic substance, including: a first mixing operation of providing a first mixture composed of 47 to 49 wt % of Fe, 16 to 18 wt % of Mn, 5.2 to 7.2 wt % of Zn, and a remainder of oxygen and other inevitable impurities, a second mixing operation of providing a second mixture composed of the first mixture and an additive including, based on 100 parts by weight of the first mixture, 28 to 51 ppm of Si, 140 to 210 ppm of Nb and 155 to 185 ppm of Zr, and a finish operation of producing a ferrite magnetic substance by sintering the second mixture.

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Patent Owner(s)

  • HYUNDAI MOTOR COMPANY; HYUNDAI MOBIS CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ham, Choul Hwan Seoul, KR 1 0
Kang, Hee Bok Yongin-si, KR 325 2997
Kim, Young Min Icheon, KR 319 1566
Lee, Kee Yang Hwaseong-si, KR 5 27

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