三次元有限要素法を用いた垂直磁気記録トラック解析

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概要

• 論文の詳細を見る

• Basing on the commercial software JMAG-Studio, we have developed a program in which the magnetization of magnetic particles is introduced into calculations of magnetization distributions in media. This allows us to three-dimensionally analyze perpendicular magnetic recording mechanisms. Even though the media magnetization is introduced into the FEM calculation, the obtained solutions are convergent. In the calculation, the head and media interactions and the demagnetization during the recording process can be accurately considered. Using our program, factors that influence recorded track widths in perpendicular magnetic recording were investigated. Decreasing the magnetic spacing and using a side-shielded head structure are effective ways to reduce the track width in a single-pole head and double layer perpendicular media recording system.

• 社団法人映像情報メディア学会の論文
• 2005-04-01

著者

• MURAOKA Hiroaki

  RIEC, Tohoku University

• NAKAMURA Yoshihisa

  RIEC, Tohoku University

• Aoi Hajime

  Riec Tohoku University

• Nakamura Yoshihisa

  Graduate School Of Science And Engineering Ehime University

• Aoi Hajime

  RIEC, Tohoku University

• Muraoka H

  Riec Tohoku University

• Xia Weixing

  RIEC, Tohoku University

• Numazawa Junji

  RIEC, Tohoku University

• Numazawa Junji

  Riec Tohoku University

• Nakamura Yasuaki

  Graduate School Of Science And Engineering Ehime University

関連論文

• Performance Evaluation of NPML System in Perpendicular Magnetic Recording
• Performance Evaluation of PRML System Based on Thermal Decay Model(Recent Progress of High-Density Information Storage)
• Performance Improvement of PRML System in Perpendicular Magnetic Recording Channel with Thermal Decay
• A novel technique to measure narrow erase band width
• Performance Improvement of PRML System in Perpendicular Magnetic Recording Channel with Thermal Decay(Recording systems & heads (II),The 8th Asian Symposium on Information Storage Technology (ASIST-8))
• A novel technique to measure narrow erase band width(Recording systems & heads (II),The 8th Asian Symposium on Information Storage Technology (ASIST-8))
• Performance Improvement of PRML System in Perpendicular Magnetic Recording Channel with Thermal Decay
• An Application of Neural Network Equalization to Polytopic Multiplexing Holography and Reduction of Interpixel Interference(Recent Progress of High-Density Information Storage)
• Partial response maximum likelihood channels for perpendicular magnetic recording system using bit-patterned media
• Sharrock Relation for Perpendicular Recording Media with Higher-Order Magnetic Anisotropy Terms
• 三次元有限要素法を用いた垂直磁気記録トラック解析
• Analysis of Recorded Track Width Using 3D FEM in Perpendicular Magnetic Recording
• Analysis of Recorded Track Width Using 3D FEM in Perpendicular Magnetic Recording
• Realization of 52.5 Gb/in^2 Perpendicular Recording
• MR2000-11 Realization of 52.5 Gb/in^2 Perpendicular Recording
• AN ANALYSIS ON NARROW TRACK PERPENDICULAR MAGNETIC RECORDING SYSTEM
• Bistability Condition of Circular Nanomagnet
• Neural Network Equalizer Matched to Recording Code in Holographic Data Storage
• Analytical Expressions for Shielded MR Head Response(Special Issue on Selected Papers from the 5th Asian Symposium on Information Storage Technology)
• Performance Improvement System for Perpendicular Magnetic Recording with Thermal Asperity
• Neuro-Interpolator for Holographic Data Storage
• Performance Evaluation of Neuro-ITI Canceller Using a Modified Writing Process for TDMR
• Performance Evaluation of Non-binary LDPC Coding and Iterative Decoding System for BPM R/W Channel with Write-Errors

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