发明名称 PRODUCTION OF MAGNETIC HEAD
摘要 PURPOSE:A multiplicity of cores are obtained by providing a gap holding butt surface and an annular magnetic path surface on the mutually opposing surfaces of a pair of core block pieces, then bonding both core blocks and cutting the block.
申请公布号 JPS5355011(A) 申请公布日期 1978.05.19
申请号 JP19760130339 申请日期 1976.10.28
申请人 OLYMPUS OPTICAL CO 发明人 MOROKUMA HAJIME;OOYOSHI KAORU;TSUDA HISATSUNE
分类号 G11B5/127;G11B5/133;G11B5/23 主分类号 G11B5/127
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