发明名称 MAGNETIC HEAD, ITS MANUFACTURE, AND MAGNETIC RECORDING AND REPRODUCING DEVICE
摘要 PROBLEM TO BE SOLVED: To provide a narrow-track magnetic head, capable of coping with a high density magnetic recording and moreover to provide a manufacturing method, capable of producing the magnetic head with high yield and low cost. SOLUTION: Edges 8, 9 of a gap part are formed sharp by making a magnetic gap material 1 to be a conductive material and by forming a notched part 14 regulating a track width by an electric discharge machining. Thereby, the reduction in the degradation of a magnetic characteristic, that is fringes or the like are realized, and a narrow-track magnetic head whose accuracy of an effective track width is stable and whose characteristic is satisfactory is realized. Moreover, the narrow-track magnetic head capable of coping with the high density magnetic recording is manufactured with high yield and at low cost.
申请公布号 JP2000020908(A) 申请公布日期 2000.01.21
申请号 JP19980190730 申请日期 1998.07.06
申请人 MATSUSHITA ELECTRIC IND CO LTD 发明人 HONMA YOSHIYASU
分类号 G11B5/127;G11B5/187;(IPC1-7):G11B5/127 主分类号 G11B5/127
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