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Texture noise and its impact on recording performance at high recording density

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4 Author(s)
Jianping Chen ; Seagate Technol., Fremont, CA, USA ; H. J. Richter ; Li-Ping Wang ; V. B. Minuhin

Mechanical texture and its impact on recording performance at high recording density have been studied experimentally in this paper. We found that texture noise has a negligible effect on the recording performance in modern disks, even at high density. Texture noise can well be explained by a band pass modulation model. Experimental evidence shows that texture caused amplitude modulation can appear as jitter, which proves statements from the modulation theory as suggested by V. Minhuin [J. Appl. Phys. April 1999],

Published in:

IEEE Transactions on Magnetics  (Volume:35 ,  Issue: 5 )