Magnetic substance having sharp permeability transition temperat

Magnetically attractable particles and method

Magnetite particles

Magnetite particles and process for preparing the same

Magnetite particles and process for production of the same

Magnetite particles and process for production thereof

Magnetite particles and process for production thereof

Magnetite particles and process for production thereof

Magnetorheological fluids and methods of making thereof

Magnetostatic-wave device

Manganese-zinc (Mn-Zn) based ferrite

Manganese-zinc base ferrite

Manganese-zinc ferrite and making method

Manganese-zinc system ferrite

Manganese-zinc system ferrite

Manufacture of .gamma.-iron(III) oxide

Manufacture of acicular cobalt-modified magnetic iron oxide

Material for magnetostatic-wave devices

Method for making ferrite magnets

Method for making m- type hexaferrite powders or wafers