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    • 6. 发明公开
    • Magnetic head and method of manufacturing same
    • Magnetkopf und Herstellungsverfahren。
    • EP0130652A1
    • 1985-01-09
    • EP84200944.1
    • 1984-06-29
    • Philips Electronics N.V.
    • Peeters, Winfried LodewijkPonjeé, Johannes Jacobus
    • G11B5/235G11B5/187
    • G11B5/232G11B5/235
    • The magnetic head according to the invention has a magnetic core (1,2) with pole tips (3, 4) which limit a gap (5) which is filled with a synthetic resin chosen from the group comprising epoxy resins, acrylic ester resins and polyester resins as a non-magnetizable material which adheres the pole tips to each other. The gap has a length of at most 0.5 pm. A modifier may be used at the interfaces between the synthetic resin and the pole tips (3, 4) to further increase the tensile strength. The magnetic head is manufactured by applying to a moulding (1) of magnetizable material a solution of synthetic resin, by rotating the moulding about an axis at right angles to the coated surface and by placing a second moulding of magnetizable material (2) against it and curing the synthetic resin under pressure at an elevated temperature.
    • 根据本发明的磁头具有磁芯(1,2),其具有极尖(3,4),其限制了填充有选自以下的合成树脂的间隙(5),所述合成树脂选自环氧树脂,丙烯酸酯树脂和 作为不可磁化材料的聚酯树脂,其将极尖彼此粘合。 间隙长度至多为0.5亩。 可以在合成树脂和极尖(3,4)之间的界面处使用改性剂,以进一步提高拉伸强度。 通过将模制件围绕与涂布表面成直角的轴线旋转并且通过将可磁化材料(2)的第二模制物放置在其上而将合成树脂溶液施加到可磁化材料的模制品(1)上来制造磁头 并在升高的温度下在压力下固化合成树脂。