Method and apparatus for HDD suspension gimbal-dimple separation (contact) force measurement
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United States of America Patent
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Issued Date -
Jan 13, 2005
app pub date -
May 17, 2004
filing date -
May 19, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Apparatus and techniques for measuring dimple-gimbal separation force for a suspension assembly in a computer disk, commonly called a hard disk drive (HDD), for understanding the impact on suspension dynamic performance. More particularly, the present invention provides readily procedures and methods for measuring the contact force exert between a gimbal and dimple of a HDD suspension assembly. Merely by way of example, the present invention is implemented using such procedures and methods to directly probe the gimbal-dimple contact force, yet it would be recognized that the invention has a much broader range of applicability on any mechanical apparatus that is small in dimension and structure stiffness, such as, micro actuators and micro electrical and mechanical system (MEMS) devices.
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