High Recording Density Tape Using Fine Barium-Ferrite Particles With Improved Thermal Stability

被引：13
作者：
Matsumoto, A. [1 ]
Murata, Y. [1 ]
Musha, A. [1 ]
Matsubaguchi, S. [1 ]
Shimizu, O. [1 ]
机构：
[1] FUJIFILM Corp, Recording Media Res Labs, Kanagawa 2500001, Japan
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2010年 / 46卷 / 05期
关键词：
Barium ferrite particle; data-dependent noise predictive maximum likelihood; magnetic tape recording; thermal stability; NOISE; PARTICULATE; CHANNEL; SYSTEM; MEDIA;
D O I：
10.1109/TMAG.2009.2039798
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The effects of reducing barium-ferrite magnetic particle volume have been studied. We optimized barium-ferrite substitution elements and their amount and demonstrated thermal stability for very fine particles of the size 1.5 x 10(3) nm(3). Using a giant magnetoresistive (GMR) head with a 0.2 mu m read track width, test tape containing these fine particles exhibited a bit error rate of 1.5 x 10(-4) at a linear density of 360 kbpi using a noise predictive maximum likelihood (NPML) detection for nonstationary noise sources, i.e., data-dependent noise. This corresponds to a 15 Gb/in(2) areal recording density in linear tape application.
引用
收藏
页码：1208 / 1211
页数：4
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