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New Method of Areal Density Capability Determination for Digital Magnetic Recording System

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6 Author(s)
Xinzhi Xing ; Western Digital Corp., San Jose, CA, USA ; Guarisco, D. ; Guang Yang ; Zhihao Li
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Areal density capability of a recording system is traditionally determined in two steps. Linear density is first determined by on-track error rate. Track density is then determined by off-track read capability (OTRC) at the linear density chosen in step one (IEEE Transactions on Magnetics, vol. MAG-26, no. 5, pp. 1689-1693, Sep. 1990). With advances in technologies and changes in drive requirements, this traditional method does not necessarily reflect the current requirements and limitations of high density recording. In this paper, a new method to experimentally determine areal density capability is proposed. The limiting factors and demands to recording components will also be discussed.

Published in:

Magnetics, IEEE Transactions on  (Volume:47 ,  Issue: 10 )

Date of Publication:

Oct. 2011

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