| 发明名称 |
PRODUCTION OF NARROW TRACK MAGNETIC HEAD CORE |
| 摘要 |
PURPOSE:To accurately form V-form grooves symmetrically in proximity to operating gap by letting an ion beam obliquely enter the side face of a magnetic head core. |
| 申请公布号 |
JPS53129017(A) |
申请公布日期 |
1978.11.10 |
| 申请号 |
JP19770043560 |
申请日期 |
1977.04.18 |
| 申请人 |
HITACHI LTD |
发明人 |
KUMASAKA TAKAYUKI;FUJIWARA HIDEO;NAGAIKE SADAKUNI;KUDOU SANEHIRO |
| 分类号 |
G11B5/127;G11B5/187 |
主分类号 |
G11B5/127 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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