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发明名称
PRODUCTION OF MAGNETIC HEAD OF NARROWER TRACK WIDTHS
摘要
PURPOSE:To achieve the increase in track density by narrowing the core width of the face to magnetic recording media by laser machining, in a ring type magnetic head using ferrite materials.
申请公布号
JPS5256913(A)
申请公布日期
1977.05.10
申请号
JP19750133530
申请日期
1975.11.05
申请人
NIPPON ELECTRIC CO
发明人
YOSHII SEIICHI
分类号
G11B5/133;G11B5/187;G11B5/193
主分类号
G11B5/133
代理机构
代理人
主权项
地址
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