LOW-LOSS OF MG-MN-ZN FERRITE FOR DEFLECTION YOKE

We examined the reduction of the core loss of Mg-Mn-Zn ferrite for def lection yoke cores. We tried to decrease hysteresis loss by selection of composition and additive, because hysteresis loss is much larger th an eddy current loss in Mg-Mn-Zn ferrite having high resistance. We su cceeded in decreasing hysteresis loss and improved the core loss appro ximately 30% compared with conventional materials. And as the result o f a simulation, we can expect that the rising temperature of it is sma ller than that of our conventional materials for deflection yoke at hi gh frequencies and high magnetic flux density.