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Paper Abstract and Keywords
Presentation 2017-06-09 09:15
FEM analysis of PMR write head for high data rate
Yoshihisa Nakamura (Tohoku Univ.), Ryo Itagaki, Yasushi Kanai (Niigata Inst. Tech.) MR2017-6
Abstract (in Japanese) (See Japanese page) 
(in English) A write head with a fast response and high efficiency is necessary to realize higher data rates and larger storage capacities in perpendicular magnetic recording (PMR) HDDs, even those using heat assisted magnetic recording (HAMR). In this report, a finite-element method (FEM) analysis solving Maxwell’s equations was used to investigate the recording field strength, field distribution and inductance of various single-pole-type (SPT) head structures, including a “current model” which was based on a cross-sectional micrograph of a current HDD write head, in order to satisfy the above-mentioned demands. It was found that a write head whose coil excites the main pole tip as much as possible would simultaneously realize higher writability and data rate, compared with the “current head”.
Keyword (in Japanese) (See Japanese page) 
(in English) Perpendicular Magnetic Recording (PMR) / Heat Assisted Magnetic Recording (HAMR) / Single Pole Type (SPT) Write Head / Finite Element Method (FEM) / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, June 2017.
Paper #  
Date of Issue 2017-06-01 (MR) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF MR2017-6

Conference Information
Committee MRIS ITE-MMS  
Conference Date 2017-06-08 - 2017-06-09 
Place (in Japanese) (See Japanese page) 
Place (in English) Tohoku Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Recording Systems, etc. 
Paper Information
Registration To MRIS 
Conference Code 2017-06-MR-MMS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) FEM analysis of PMR write head for high data rate 
Sub Title (in English)  
Keyword(1) Perpendicular Magnetic Recording (PMR)  
Keyword(2) Heat Assisted Magnetic Recording (HAMR)  
Keyword(3) Single Pole Type (SPT) Write Head  
Keyword(4) Finite Element Method (FEM)  
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1st Author's Name Yoshihisa Nakamura  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Ryo Itagaki  
2nd Author's Affiliation Niigata Institute of Technology (Niigata Inst. Tech.)
3rd Author's Name Yasushi Kanai  
3rd Author's Affiliation Niigata Institute of Technology (Niigata Inst. Tech.)
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Speaker Author-3 
Date Time 2017-06-09 09:15:00 
Presentation Time 25 minutes 
Registration for MRIS 
Paper # MR2017-6 
Volume (vol) vol.117 
Number (no) no.80 
Page pp.41-46 
#Pages 6 
Date of Issue 2017-06-01 (MR) 

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