Development of advanced barium ferrite tape media

被引：24

作者：

Shimizu, Osamu ^{[1
]}

Oyanagi, Masahito ^{[1
]}

Morooka, Atsushi ^{[1
]}

Mori, Masahiko ^{[1
]}

Kurihashi, Yuich ^{[1
]}

Tada, Toshio ^{[1
]}

Suzuki, Hiroyuki ^{[1
]}

Harasawa, Takeshi ^{[1
]}

机构：

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

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2016年 / 400卷

关键词：

Magnetic recording; Barium ferrite particles; Particulate media; Linear-tape system; Data storage; MAGNETIC RECORDING MEDIA; PARTICULATE MEDIA; AREAL DENSITY; PARTICLES; STABILITY; SYSTEMS;

D O I：

10.1016/j.jmmm.2015.07.015

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We developed an advanced particulate magnetic tape using fine barium ferrite (BaFe) particles for magnetic-tape storage systems. The new tape showed a signal-to-noise ratio (SNR) that was 3.5 dB higher than that of the commercially available BaFe tape used for the Linear Tape Open generation 6 tape-storage system, at a linear density of 300 kfci measured with a giant magnetoresistive head with a reader width of 0.45 um. Such significant increase in SNR was achieved by reducing the magnetic particle volume from 1950 to 1350 nm(3), while maintaining a sufficiently high thermal stability, improving the perpendicular squareness ratio from 0.66 to 0.83, and improving the surface roughness from 2.5 to 2.0 nm when measured by atomic force microscopy and from 2.4 to 0.9 nm when measured by optical interferometry. This paper describes the characteristics of the new BaFe particles and media, which are expected to be employed for future high-capacity linear-tape systems. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：365 / 369

页数：5

共 20 条

[11] High Recording Density Tape Using Fine Barium-Ferrite Particles With Improved Thermal Stability
Matsumoto, A.
Murata, Y.
Musha, A.
Matsubaguchi, S.
Shimizu, O.
[J]. IEEE TRANSACTIONS ON MAGNETICS, 2010, 46 (05) : 1208 - 1211
[12] Thermal processes and stability of longitudinal magnetic recording media
Moser, A
Weller, D
[J]. IEEE TRANSACTIONS ON MAGNETICS, 1999, 35 (05) : 2808 - 2813
[13] A Study on Signal Processing for Barium Ferrite Particulate Tape Systems
Musha, Atsushi
Shimizu, Osamu
[J]. IEICE TRANSACTIONS ON ELECTRONICS, 2013, E96C (12): : 1474 - 1478
[14] A recording density study of advanced barium-ferrite particulate tape
Nagata, Takeshi
Harasawa, Takeshi
Oyanagi, Masahito
Abe, Naoto
Saito, Shinji
[J]. IEEE TRANSACTIONS ON MAGNETICS, 2006, 42 (10) : 2312 - 2314
[15] Noguchi H., 2015, P 7 INT C GREEN SUST
[16] Shimizu O., 2014, P 30 S MASS STOR SYS, P1, DOI [10.1109/MSST.2014.6855556, DOI 10.1109/MSST.2014.6855556]
[17] Shimizu O., 2012, J MAGN SOC JPN, V36, P1, DOI [10.3379/msjmag.1112R001, DOI 10.3379/MSJMAG.1112R001]
[18] Distribution of Thermal Stability Factor for Barium Ferrite Particles
Shimizu, Osamu
Kurihashi, Yuichi
Watanabe, Isamu
Harasawa, Takeshi
[J]. IEEE TRANSACTIONS ON MAGNETICS, 2013, 49 (07) : 3767 - 3770
[19] Particle Orientation Effects of Barium Ferrite Particulate Media
Shimizu, Osamu
Harasawa, Takeshi
Oyanagi, Masahito
[J]. IEEE TRANSACTIONS ON MAGNETICS, 2010, 46 (06) : 1607 - 1609
[20] Taratorin A.M., 1999, MAGNETIC INFORM STOR, P253

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