A method of producing a favoured direction of magnetization in permanent magnets made from oxides of metals

摘要

746,935. Magnetic compositions. AKT.-GES. FUR UNTERNEHMUNGEN DER EISENUND STAHLINDUSTRIE. Sept. 9, 1954 [Sept. 12, 1953], No. 26164/54. Addition to 726,462. Class 38 (2). The method of manufacturing a permanent magnet forming the subject of the parent Specification includes the additional step of subjecting the powder to a magnetic field before it is placed in the mould.