Title :
Comparison of Signals From Micromagnetic Simulations, GFP Model, and an HDD Readback
Author :
Kheong Sann Chan ; Kim Keng Teo ; Yu Lin, Maria ; Hiau Choon Kee ; Elidrissi, Moulay Rachid ; Quan Li ; Ko, Bengtheam ; Quekleong Choo ; Myint Ngwe Maung
Author_Institution :
Data Storage Inst., Agency for Sci. Technol. & Res., Singapore, Singapore
Abstract :
The grain flipping probability (GFP) model is used to reproduce the output of micromagnetic (μ-mag) simulations several orders of magnitude faster. In this paper, we compare signals from the μ-magsimulations and the GFP model with readback from a Seagate hard disk drive (HDD). We validate our models by benchmarking the model output against the HDD readback in terms of magnetic write width, and signal-to-noise ratio and bit error rate as a function of the overshoot triplet parameters.
Keywords :
disc drives; error statistics; hard discs; probability; GFP model; HDD readback; Seagate hard disk drive; bit error rate; grain flipping probability model; magnetic write width; micromagnetic simulations; signal comparison; signal-to-noise ratio; Bit error rate; Magnetic heads; Magnetic hysteresis; Magnetic recording; Micromagnetics; Saturation magnetization; Signal to noise ratio; Grain flipping probability (GFP) model; Hard disk drives (HDDs); hard disk drives (HDDs); magnetic recording; micromagnetic ( $mu $ -mag) simulations; micromagnetic simulations; overshoot triplet; recording channel;
Journal_Title :
Magnetics, IEEE Transactions on
DOI :
10.1109/TMAG.2015.2441742
