An investigation of the effects of media characteristics on read channel performance for patterned media storage

Many view data storage on patterned magnetic media as one way of attaining storage densities in excess of 1 Tb/in/sup 2/ and thus overcoming the problems associated with recording at ultrahigh densities on conventional continuous media. In this paper we investigate, through the use of a replay simul...

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Bibliographic Details
Published in:IEEE transactions on magnetics 2005-11, Vol.41 (11), p.4327-4334
Main Authors: Nutter, P.W., Ntokas, I.T., Middleton, B.K.
Format: Article
Language:English
Subjects:
Channels
Cross-disciplinary physics: materials science
rheology
Data storage
Density
Exact sciences and technology
Fabrication
Generalized partial response
Grain size
Islands
Magnetic films
Magnetic heads
Magnetic memory
Magnetic recording
Magnetism
Magnetization
Materials science
Media
Other topics in materials science
patterned media
Perpendicular magnetic recording
perpendicular recording
Physics
Recording
Shape
shape constrained media
Simulation
Soft magnetic materials
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Summary:Many view data storage on patterned magnetic media as one way of attaining storage densities in excess of 1 Tb/in/sup 2/ and thus overcoming the problems associated with recording at ultrahigh densities on conventional continuous media. In this paper we investigate, through the use of a replay simulation developed to take into account the three-dimensional nature of the patterned media, the effects that the shape-constrained media have on the bit-error-rate performance of the read channel in 1-Tb/in/sup 2/ perpendicular recording. In particular, we analyze how media configurations with varying island shape, size, and distribution affect the channel performance.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2005.856586