NDLI: 6.7 <formula formulatype=inline> <tex>${hbox{Gb/in}}^{2}$</tex></formula> Recording Areal Density on Barium Ferrite Tape

Content Provider	IEEE Xplore Digital Library
Author	Berman, D. Biskeborn, R. Bui, N. Childers, E. Cideciyan, R.D. Dyer, W. Eleftheriou, E. Hellman, D. Hutchins, R. Imaino, W. Jaquette, G. Jelitto, J. Jubert, P.-O. Lo, C. McClelland, G. Narayan, S. Oelcer, S. Topuria, T. Harasawa, T. Hashimoto, A. Nagata, T. Ohtsu, H. Saito, S.
Copyright Year	1965
Abstract	We investigated the performance of a barium ferrite tape medium in linear tape recording, using a giant-magnetoresistive read head of 0.5 mum track width. A linear density of 400 kbpi with an error rate of 6 times 10^-5 was demonstrated based on measured recording data and a simulated channel with advanced noise predictive maximum likelihood detection schemes. Using a timing-based servo format that reduces the position error signal (PES) due to medium jitter and servo-writer velocity variations, we achieved a PES of 0.07 mum standard deviation and a maximum PES (in a 10-s interval) of 0.35 mum. This PES magnitude allows the writing and reading of 1.5-mum tracks at 400 kbpi, for an equivalent areal density of 6.7 Gb/in².
Sponsorship	IEEE Magnetics Society
Starting Page	3502
Ending Page	3508
Page Count	7
File Size	1401974
File Format	PDF
ISSN	00189464
Volume Number	43
Issue Number	8
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-08-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Barium Ferrites Magnetic heads Error analysis Density measurement Noise measurement Predictive models Maximum likelihood detection Servomechanisms Jitter tracking Magnetic recording magnetic tape recording signal detection
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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