Method and mechanism of the suspension resonance optimization for the hard disk driver
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United States of America Patent
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-
Jan 18, 2011
Grant Date -
Dec 4, 2008
app pub date -
May 27, 2008
filing date -
Oct 16, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system and method are disclosed for using a test slider to test the resonance performance of a head gimbal assembly. The test slider has a two-stripe air-bearing surface to allow the test slider to glide above a surface and a block with a mass equal to the combined mass of the electrical slider and the micro-actuator. The leading edge of the slider is tapered and has a main air groove to facilitate gliding. A back step on the side of the test slider opposite the air bearing surface maintains a parallel gap between the slider and the suspension tongue of the head gimbal assembly.
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