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    • 9. 发明授权
    • Method of manufacturing magnetic head
    • 制造磁头的方法
    • US5022140A
    • 1991-06-11
    • US490407
    • 1990-03-08
    • Shoji TsutakiKazuyoshi FuseToshihiko Ohta
    • Shoji TsutakiKazuyoshi FuseToshihiko Ohta
    • G11B5/187G11B5/265
    • G11B5/1878G11B5/2651Y10T29/49043Y10T29/49057Y10T29/49067
    • In a magnetic head a metal magnetic layer and a non-magnetic layer are sequentially formed on a pair of magnetic cores in which track widths are formed by a predetermined pitch. The metal magnetic layer and the non-magnetic layer formed outside the track widths are removed while leaving the track widths formed in said magnetic cores, thereby forming a regulation groove. The track widths of one magnetic core from which the metal magnetic layer and the non-magnetic layer are removed are caused to oppose those of the other magnetic core. Glass as an adhesive is filled in the regulation groove and melted to bond the magnetic cores so that a gap having the metal magnetic layer is formed. The pair of magnetic cores bonded to form the gap therebetween are cut by a predetermined pitch to form a magnetic head.
    • 在磁头中,金属磁性层和非磁性层依次形成在一对磁芯上,其中轨道宽度以预定间距形成。 去除形成在轨道宽度外部的金属磁性层和非磁性层,同时留下形成在所述磁芯中的轨道宽度,从而形成调节槽。 使去除金属磁性层和非磁性层的一个磁芯的磁道宽度与另一个磁芯的轨道宽度相反。 将作为粘合剂的玻璃填充在调节槽中并熔融以将磁芯结合,从而形成具有金属磁性层的间隙。 将形成间隙的一对磁芯切割成预定间距,形成磁头。