发明授权
US07057852B1 Disk drive including surface coated disk clamp screws with reduced coefficient of friction for mitigating disk clamp movement
失效
磁盘驱动器包括具有减小摩擦系数的表面涂覆的盘夹紧螺丝，以减轻磁盘夹紧运动
- 专利标题： Disk drive including surface coated disk clamp screws with reduced coefficient of friction for mitigating disk clamp movement
- 专利标题（中）： 磁盘驱动器包括具有减小摩擦系数的表面涂覆的盘夹紧螺丝，以减轻磁盘夹紧运动
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申请号： US10286147申请日： 2002-10-31
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公开(公告)号： US07057852B1公开(公告)日： 2006-06-06
- 发明人: Walter W. Butler , Yao-Hsin Huang , Robert E. Lloyd, Jr.
- 申请人： Walter W. Butler , Yao-Hsin Huang , Robert E. Lloyd, Jr.
- 申请人地址： US CA Lake Forest
- 专利权人： Western Digital Technologies, Inc.
- 当前专利权人： Western Digital Technologies, Inc.
- 当前专利权人地址： US CA Lake Forest
- 代理机构： Stetina Brunda Garred & Brucker
- 代理商 Joshua C. Harrison, Esq.
- 主分类号： G11B17/02
- IPC分类号： G11B17/02
摘要：
An aspect of the invention can be regarded as a disk drive that includes a disk drive base, a disk including disk surface, and a spindle motor including a spindle motor hub including a clamping surface with disk clamp holes. The disk drive includes a disk clamp disposed upon the disk surface. The disk clamp includes a screw head interface surface and screw openings. The disk drive includes disk clamp screws each including a shaft sized and configured to respectively engage the threaded disk clamp holes respectively through the screw openings. The screws each further include a screw head having a screw head clamping surface disposed against the screw head interface surface. The screws each further include a surface coating disposed upon the screw head clamping surface. The surface coating has a static coefficient of friction less than a static coefficient of friction of the screw head.
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