Exploratory Experiments in Recording on Sputtered Magnetic Tape at an Areal Density of 148 Gb/in2

被引：6

作者：

Tachibana, Junichi ^{[1
]}

Endo, Tetsuo ^{[1
]}

Hiratsuka, Ryoichi ^{[1
]}

Inoue, Satoru ^{[1
]}

Berman, David ^{[2
]}

Jubert, Pierre-Olivier ^{[2
]}

Topuria, Teya ^{[2
]}

Poon, Chie ^{[2
]}

Imaino, Wayne ^{[2
]}

机构：

[1] Sony Corp, Tagajo, Miyagi 9850842, Japan

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

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2014年 / 50卷 / 11期

关键词：

Magnetic tape media; magnetic tape recording; sputter deposited media; THIN-FILM; PLAYBACK PERFORMANCE; ROOM-TEMPERATURE; MEDIA; SOFT; COERCIVITY; SUBSTRATE; LAYER;

D O I：

10.1109/TMAG.2014.2319197

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：

A sputter deposited CoPtCr-SiO2 perpendicular recording media with excellent orientation was successfully grown on a thin polyamide film. Using 32-channel GMR tape heads and advanced hard-disk drive heads, the recording performance and durability of this media was investigated. These studies demonstrated an unprecedented broadband signal-to-noise ratio of 17 dB at 896 kb/in using a 77 nm-wide TMR reader, corresponding to an estimated 148 Gb/in(2) recording density, and provided a preliminary assessment of durability exceeding current tape media specifications.

引用

页数：6

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