ABSTRACT
I. Introduction ...........................................................................................193 II. Size of Magnetic Particles and Magnetic Properties ...........................194
III. Magnetic Particles for Magnetic Recording Media .............................197 A. Acicular γ-Fe2O3 Particles..............................................................198 B. Cobalt Modified γ-Fe2O3 Particles.................................................199 C. Iron Particles ..................................................................................199 D. Chromium Dioxide Particles .........................................................200 E. Barium Ferrite Particles.................................................................200
IV. Coercive Force and Dispersibility of Magnetic Particles for Recording Media.............................................................................201
