FERROMAGNETIC METAL POWDERS USEFUL FOR MAGNETIC RECORDING, METHODS FOR PRODUCING THE METAL POWDERS AND RECORDING MEDIA WHICH ARE PREPARED THEREFROM

摘要

The invention relates to a ferromeric metal powder suitable for use in the production of recording magnetic media. According to the invention, it comprises iron as the main component and 10-50 in the process. WEIGHT OF NI, AND IT HAS A COERCIVE FORCE OF 550-900 OE AND A DENSITY OF SATURATION FLOW OF 90-170 EMUG. The invention applies in particular to the production of such powders permitting MAGNETIC REGISTRATION OF HIGH DENSITY. / P