COMPOSITE OF INSULATOR COMPOSED MAGNETIC SEMI CONDUCTOR PARTICLE WITH POLY CRISTAL PROPERTY

摘要

An intergranular insulation type magnetic semiconductive composition comprising from 96.70 to 98.83 % by weight of strontium titanate (SrTiO3), from 0.15 to 2.30 % by weight of tungsten oxide (WO3), from 0.02 to 1.00% by weight of cupric monoxide(CuO), and having diffused therein strontium titanate (SrTiO3), which is effective materials in condenser.