H - Electricity – 01 – F
Patent
H - Electricity
01
F
31/121
H01F 1/06 (2006.01) G11B 5/706 (2006.01)
Patent
CA 1097057
ABSTRACT Acicular hyper-magnetite particles, that is, acicular particles of (FeO)xFe2O3 where x is greater than one and not greater than 1.5, are provided with coatings of a cobalt compound, the cobalt providing 1% to 10% of the total weight of the particles. The particles provide superior magnetic recording media.
287156
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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