A Novel Metrology Technique to Capture the Flying Dynamics of Air Bearing Slider with and Without Induced Contact

Hsia,; Kiely,

doi:10.1109/apmrc.2006.365886

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2008

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“…There are many possible types of mechanical response during head-disk interaction [5], [6]. To characterize this effect, we actuated the heater on the head to drive it close enough to the disk that the head started to vibrate.…”

Section: Introductionmentioning

confidence: 99%

Characterization of Mechanically Induced Timing Jitter in Synchronous Writing of Bit Patterned Media

Tang

Che

2008

IEEE Trans. Magn.

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Potential sources of timing errors in writing bit-patterned media are experimentally characterized. This paper describes a time-domain analysis of jitter in a disk drive that is identified as the effect of spindle speed variation. The jitter during head-disk interaction is characterized by a frequency modulation analysis. The impact of head vibration on write timing is also demonstrated using images reconstructed from read signal.

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Section: Introductionmentioning

confidence: 99%