DETERMINATION FACTOR ON MAGNETIZATION PROCESS OF FINELY PATTERNED SOFTMAGNETIC FILMS UNDER HIGH FREQUENCY AND LARGE AMPLITUDE FIELD EXCITATION

Magnetization Process of stripe-patterned anisotropic amorphous films under high frequency(max.30MHz) field with large amplitude was investigated. The characteristics of line-pattern in "permeability-contour diagram", which was extended on maximum frequency in this report, was analized in connection with with magnetization process. It was confirmed that a dominant magnetization changes between spin rotation and domain wall motion depending on domain structures by high frequency BH-loop measurement and dynamic domain observation. They support analyses on permeability-contour diagram.