发明授权
- 专利标题: Improved magnetic head having smoothed chamfered surface for reducing magnetic scattering
- 专利标题(中): 改进的磁头具有平滑的倒角表面以减少磁散射
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申请号: US252497申请日: 1994-06-01
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公开(公告)号: US5583728A公开(公告)日: 1996-12-10
- 发明人: Nobuo Imazeki , Minoru Kanda , Tatsushi Shimizu , Kazuhiro Saito
- 申请人: Nobuo Imazeki , Minoru Kanda , Tatsushi Shimizu , Kazuhiro Saito
- 申请人地址: JPX Tokyo
- 专利权人: Japan Energy Corporation
- 当前专利权人: Japan Energy Corporation
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX6-032061 19940204
- 主分类号: G11B5/127
- IPC分类号: G11B5/127 ; G11B5/23 ; G11B5/31
摘要:
At least the first chamfered portion 22 for forming the apex portion 8 has a surface roughness (R.sub.p-p) of 0.6 .mu.m or under. This first chamfered portion 22 is formed through grinding with a #2500 or #1500 grinding stone.
公开/授权文献
- US4924567A Apparatus for controlling tension in a traveling yarn 公开/授权日:1990-05-15
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