发明名称 MAGNETIC HEAD
摘要 PURPOSE:To eliminate phenomena such as chipping, particle dislodging, etc., improve wear characteristics and achieve the improvement in frequency characteristics by using sintered ferrite melted and filled with glasses in its pores as a guard material for magnetic heads.
申请公布号 JPS5397410(A) 申请公布日期 1978.08.25
申请号 JP19770012342 申请日期 1977.02.04
申请人 SANYO ELECTRIC CO 发明人 DOI MASARU;SHIMIZU YOSHIAKI;ITOU YOSHIHIRO
分类号 G11B5/133;G11B5/187 主分类号 G11B5/133
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