发明授权
US07280305B2 Method and apparatus for estimating and controlling the flying height of a read-write head in a hard disk drive
失效
用于估计和控制硬盘驱动器中读写头的飞行高度的方法和装置
- 专利标题： Method and apparatus for estimating and controlling the flying height of a read-write head in a hard disk drive
- 专利标题（中）： 用于估计和控制硬盘驱动器中读写头的飞行高度的方法和装置
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申请号： US11331487申请日： 2006-01-13
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公开(公告)号： US07280305B2公开(公告)日： 2007-10-09
- 发明人: Haesung Kwon , Vinod Sharma , Hyung Jai Lee
- 申请人： Haesung Kwon , Vinod Sharma , Hyung Jai Lee
- 申请人地址： KR Suwon
- 专利权人： Samsung Electronics Co., Ltd.
- 当前专利权人： Samsung Electronics Co., Ltd.
- 当前专利权人地址： KR Suwon
- 代理机构： GSS Law Group
- 代理商 Earlr Jennings
- 主分类号： G11B21/02
- IPC分类号： G11B21/02
摘要：
Method estimating flying height of read-write head in slider near rotating disk surface. Sensing leakage current between slider and spindle motor to create potential difference measurement. Converting potential difference measurement to create estimate of flying height. Method controlling flying height using method for estimating by adjusting vertical actuation signal to micro-actuator assembly. Embodiments implement these methods. Embedded circuit and hard disk drive, each including the apparatus. The invention includes methods of manufacturing and their products.
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