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本发明是关于制造Fe—Si—Al合金薄带的方法,也就是从该合金的熔融液直接快冷凝固,获得具有良好高频特性的薄带制造方法。历来,随着磁带录象机的发展,其磁头要求用磁特性和机械性能优异,尤其是耐磨性优异的磁性材料。现在,这种材料一般使用Fe—Si—Al合金,但这种合金由于硬而脆,在制作要求精密加工的磁头芯片时,成材率很低。而且,在作用磁带录象机的磁头时,为不降低几兆赫下的高频特性,希望加工成等于或小于0.1毫米左右的薄片,所以用研磨和
The present invention relates to a method for producing a thin Fe-Si-Al alloy ribbon, that is, a method for manufacturing a thin ribbon having good high-frequency characteristics by rapidly and rapidly solidifying from a melt of the alloy. Traditionally, with the development of videocassette recorders, their magnetic heads require magnetic materials having excellent magnetic and mechanical properties, especially those having excellent wear resistance. Now, this material is generally used Fe-Si-Al alloy, but the hard and brittle because of this alloy, in the production of precision processing of the head chip production rate is very low. Furthermore, in order to reduce the high-frequency characteristic at a few megahertz in the case of operating the magnetic head of a video tape recorder, it is desired to process the sheet to a size of about 0.1 mm or less. Therefore,