Dynamic read/write performance characterization of perpendicular recording

Author

Tanaka, Yoichiro ; Takeo, Akihiko ; Hikosaka, Takashi

Author_Institution

Data Storage Dev. Center, Toshiba Corp., Tokyo, Japan

Volume

38

Issue

1

fYear

2002

Firstpage

68

Lastpage

71

Abstract

Double-layer perpendicular recording media employing high squareness magnetic properties have been developed and tested with single-pole perpendicular heads. Dynamic performance tests revealed that double-layer perpendicular media exhibited high output signal, high resolution, and superior write performance at the same time. Signal decay tests also indicated superior thermal stability. Drive integration test with a 42 kTPI (1654 track/mm) system showed comparable tracking servo performance to conventional systems.

Keywords

magnetic heads; perpendicular magnetic recording; thermal stability; double-layer perpendicular recording media; dynamic read/write performance characterization; output signal; perpendicular recording; resolution; signal decay tests; single-pole perpendicular heads; squareness; thermal stability; tracking servo performance; write performance; Disk recording; Magnetic flux; Magnetic heads; Magnetic properties; Magnetization; Memory; Perpendicular magnetic recording; Temperature dependence; Testing; Thermal stability;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/TMAG.2002.988913

Filename

988913