Hexagonal ferrite magnetic particles, magnetic recording powder, and magnetic recording medium

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United States of America Patent

PATENT NO 9818517
SERIAL NO

14224726

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Abstract

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Hexagonal ferrite magnetic particles have an activation volume ranging from 1,000 nm3 to 1,500 nm3, and ΔE10%/kT, thermal stability at 10% magnetization reversal, is equal to or greater than 40.

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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
Shimizu, Osamu Minami-ashigara, JP 133 1797
Suzuki, Hiroyuki Minami-ashigara, JP 847 10497
Tada, Toshio Minami-ashigara, JP 50 3320

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