Evaluation of Servo Patterns for Perpendicular Recording

Author

Zhang, Songhua ; Wong, Wai Ee

Author_Institution

Data Storage Inst., A*STAR

fYear

2006

fDate

Nov. 29 2006-Dec. 1 2006

Firstpage

1

Lastpage

2

Abstract

Position error signal (PES) plays a crucial role in hard disk drives by providing the position information of the read head to the servo controller. In this paper, we examine the performance of PES from different servo patterns for high density perpendicular recording system using microtrack simulation. The results reveal certain impacts of perpendicular recording on servo pattern design and provide references on PES signal generation and decoding method design for future hard disk drives (HDD) based on perpendicular recording technology.

Keywords

decoding; disc drives; hard discs; magnetic heads; perpendicular magnetic recording; servomechanisms; PES; decoding method; hard disk drives; microtrack simulation; perpendicular recording system; position error signal; read head; servo controller; servo patterns design; signal generation; Decoding; Demodulation; Frequency; Hard disks; Magnetic heads; Magnetization; Perpendicular magnetic recording; Servomechanisms; Signal design; Signal generators; perpendicular magnetic recording; position error signal; servo system;

fLanguage

English

Publisher

ieee

Conference_Titel

Asia-Pacific Magnetic Recording Conference, 2006

Conference_Location

Singapore

Print_ISBN

1-4244-0863-6

Type

conf

DOI

10.1109/APMRC.2006.365936

Filename

4215321