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US11562839B2 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 有权

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
Abstract:
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 0
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