- 专利标题： Magnetic head positioning control device, magnetic head certifier, magnetic disk certifier and head cartridge
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申请号： US10309882申请日： 2002-12-05
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公开(公告)号： US07035039B2公开(公告)日： 2006-04-25
- 发明人: Kenichi Shitara , Akihiro Matsumoto
- 申请人： Kenichi Shitara , Akihiro Matsumoto
- 申请人地址： JP Tokyo
- 专利权人： Hitachi Electronics Engineering Co., Ltd.
- 当前专利权人： Hitachi Electronics Engineering Co., Ltd.
- 当前专利权人地址： JP Tokyo
- 代理机构： Mattingly, Stanger, Malur & Brundidge, P.C.
- 优先权： JP2002-001173 20020108
- 主分类号： G11B5/596
- IPC分类号： G11B5/596
摘要：
A piezo actuator is provided between a suspension spring and a head carriage. When a predetermined track of a magnetic disk is accessed by positioning a magnetic head in the predetermined track, the piezo actuator maintains the magnetic head in an ON track state by dynamically moving a light weight head cartridge according to a servo information or dynamically moving a head assembly in the head cartridge according the servo information.
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