发明名称 Disk drive employing a calibrated brake pulse to reduce acoustic noise when latching an actuator arm
摘要 A disk drive is disclosed comprising a disk and a voice coil motor (VCM) for rotating an actuator arm about a pivot in order to actuate a head over the disk. During a park operation, a latching characteristic associated with latching the actuator arm is measured and used to configure a latching parameter that reduces acoustic noise. The latching parameter is used to latch the actuator arm by seeking the head to a latching track, maintaining the head over the latching track for a predetermined interval, applying an acceleration pulse to the VCM for an acceleration pulse period, applying a braking pulse to the VCM for a brake pulse period, and applying a latching current to the VCM.
申请公布号 US7224546(B1) 申请公布日期 2007.05.29
申请号 US20040769401 申请日期 2004.01.31
申请人 WESTERN DIGITAL TECHNOLOGIES, INC. 发明人 ORAKCILAR GOKHAN;NEMSHICK STEVEN;DESAI ASHOK K.;RYAN ROBERT P.;DANG DEAN V.;RATHNAM LAKSHMAN;TACKLIND THOMAS A.
分类号 G11B21/02;G11B5/596 主分类号 G11B21/02
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