Title :
Optimization of Bit-Patterned Media Recording (BPMR) System via Tolerance Design
Author :
Lin, Michael Y. ; Elidrissi, Moulay Rachid ; Kheong Sann Chan ; Eason, Kwaku ; Hongtao Wang ; Yang, Joel K. W. ; Asbahi, M. ; Thiyagarajah, Naganivetha ; Ng, Vincent ; Yong Liang Guan
Author_Institution :
Data Storage Inst. (DSI), Agency for Sci., Technol. & Res. (A*STAR), Singapore, Singapore
Abstract :
Bit-patterned media recording (BPMR) is a promising approach to push back the onset of the superparamagnetic limit faced by conventional granular media recording (CGMR). Previous work in this area has characterized the position jitter and size jitter from fabricated media at recording densities ranging from 0.6 Tera dots per square inch (Tdpsi) to 2.9 Tdpsi, and the characterizations were used to predict expected densities from the BPMR system. In this work, we investigate the impact of a few critical parameters towards the final performance of the BPMR system in terms of the written-in-error (WIE) rate.
Keywords :
jitter; magnetic recording; superparamagnetism; bit-patterned media recording system optimization; bit-patterned media recording system performance; conventional granular media recording; critical parameters; position jitter; recording densities; size jitter; superparamagnetic limit onset; tolerance design; written-in-error rate; Algorithm design and analysis; Jitter; Lattices; Magnetic heads; Media; Micromagnetics; Optimization; Bit-patterned media (BPM); hard disk drives (HDDs); magnetic recording; optimization; signal processing;
Journal_Title :
Magnetics, IEEE Transactions on
DOI :
10.1109/TMAG.2013.2243705
