29.5-Gb/in2 Recording Areal Density on Barium Ferrite Tape

被引：59

作者：

Cherubini, Giovanni ^{[1
]}

Cideciyan, Roy D. ^{[1
]}

Dellmann, Laurent ^{[1
]}

Eleftheriou, Evangelos ^{[1
]}

Haeberle, Walter ^{[1
]}

Jelitto, Jens ^{[1
]}

Kartik, Venkataraman ^{[1
]}

Lantz, Mark A. ^{[1
]}

Oelcer, Sedat ^{[1
]}

Pantazi, Angeliki ^{[1
]}

Rothuizen, Hugo E. ^{[1
]}

Berman, David ^{[2
]}

Imaino, Wayne ^{[2
]}

Jubert, Pierre-Olivier ^{[2
]}

McClelland, Gary ^{[2
]}

Koeppe, Peter V. ^{[3
]}

Tsuruta, Kazuhiro ^{[4
]}

Harasawa, Takeshi ^{[5
]}

Murata, Yuto ^{[5
]}

Musha, Atsushi ^{[5
]}

Noguchi, Hitoshi ^{[5
]}

Ohtsu, Hiroki ^{[5
]}

Shimizu, Osamu ^{[5
]}

Suzuki, Ryota ^{[5
]}

机构：

[1] IBM Res Zurich, CH-8803 Ruschlikon, Switzerland

[2] IBM Res Almaden, San Jose, CA 95120 USA

[3] IBM Corp, Syst & Technol Grp, San Jose, CA 95120 USA

[4] IBM Corp, Syst & Technol Grp, Yamato 2428502, Japan

[5] FUJIFILM Corp, Recording Media Res Labs, Odawara, Kanagawa 2500001, Japan

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2011年 / 47卷 / 01期

关键词：

Magnetic recording; magnetic tape recording; signal detection; tracking; NOISE;

D O I：

10.1109/TMAG.2010.2076797

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 recording performance of a new magnetic tape based on ultra-fine, perpendicularly-oriented BaFe particles was investigated. Specifically, using a low lateral tape motion demonstration platform, a new servo pattern written on the advanced perpendicularly oriented BaFe medium, a new low friction head technology, a novel synchronous servo channel design, and advanced servo control concepts, we were able to demonstrate a record closed-loop track-follow performance with a 23.4 nm standard deviation of position-error signal, roughly one order of magnitude better than in current tape products. In addition, using read back waveforms captured on the same advanced perpendicularly oriented BaFe medium with a 0.2-mu m-wide data reader, we demonstrated write/read performance at 518 kbpi using advanced noise-predictive maximum likelihood (NPML) detection schemes. Combining these two results, we estimate that the new medium can support an areal recording density of up to 29.5 Gb/in(2). This result demonstrates the scalability and extendability of tape technology using low-cost particulate media.

引用

页码：137 / 147

页数：11

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