Core-shell particle and manufacturing method and fired product of the same, epsilon type iron oxide compound particle and manufacturing method of the same, and magnetic recording medium and manufacturing method of the same

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United States of America Patent

PATENT NO 11562839
APP PUB NO 20180358155A1
SERIAL NO

15974797

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Abstract

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A core-shell particle includes: a core including an iron oxyhydroxide compound represented by Formula A3a3Fe1−a3OOH (in which A3 represents at least one metal element other than Fe, and a3 satisfies 02O3, a compound represented by Formula A1a1Fe2−a1O3 (in which A1 represents at least one metal element other than Fe, and a1 satisfies 03O4, and a compound represented by Formula A2a2Fe3−a2O4 (in which A2 represents at least one metal element other than Fe, and a2 satisfies 0

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Patent Owner(s)

Patent OwnerAddress
FUJIFILM CORPORATION26-30 NISHIAZABU 2-CHOME MINATO-KU TOKYO 106-8620

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujimoto, Takashi Kanagawa, JP 124 669
Naoi, Kenji Kanagawa, JP 38 212
Shirata, Masashi Kanagawa, JP 43 400

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