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Paper Abstract and Keywords
Presentation 2013-12-13 09:45
Simulation of high density recording on 3-layer ECC dot bit patterned media
Naoki Honda (Tohoku Inst. of Tech.), Kiyoshi Yamakawa (Akita Ind. Tech. Center) MR2013-32
Abstract (in Japanese) (See Japanese page) 
(in English) Magnetization reversal properties of ECC dots was analyzed using a simulation. Magnetic parameters of the formerly proposed 3-layer ECC dot were modified to compensate the additional anisotropy from the shape and the stacking of the layers. The modification in the magnetic parameters resulted in a minimum switching field and applied field angle dependence of the field. It was also indicated that the modification reduced the inter-dot magnetostatic interaction. Recording simulation using a multi-stepped shielded planar head field on the bit-patterned media with modified 3-layer ECC dots suggested possibility of a high areal density recording above 4 T dot/in2 with no energy assist. It was concluded that magnetic parameter compensation for additional shape and stacking anisotropy is indispensable for ECC dots.
Keyword (in Japanese) (See Japanese page) 
(in English) Multi-layered exchange coupled composite / Switching field / Applied field angle dependence / Anisotropy compensation / Recording simulation / / /  
Reference Info. IEICE Tech. Rep., vol. 113, Dec. 2013.
Paper #  
Date of Issue 2013-12-05 (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 MR2013-32

Conference Information
Committee MRIS ITE-MMS  
Conference Date 2013-12-12 - 2013-12-13 
Place (in Japanese) (See Japanese page) 
Place (in English) Ehime Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Signal Processing, etc. 
Paper Information
Registration To MRIS 
Conference Code 2013-12-MR-MMS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Simulation of high density recording on 3-layer ECC dot bit patterned media 
Sub Title (in English)  
Keyword(1) Multi-layered exchange coupled composite  
Keyword(2) Switching field  
Keyword(3) Applied field angle dependence  
Keyword(4) Anisotropy compensation  
Keyword(5) Recording simulation  
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Keyword(7)  
Keyword(8)  
1st Author's Name Naoki Honda  
1st Author's Affiliation Tohoku Institute of Technology (Tohoku Inst. of Tech.)
2nd Author's Name Kiyoshi Yamakawa  
2nd Author's Affiliation Akita Industrial Technology Center (Akita Ind. Tech. Center)
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Speaker Author-1 
Date Time 2013-12-13 09:45:00 
Presentation Time 30 minutes 
Registration for MRIS 
Paper # MR2013-32 
Volume (vol) vol.113 
Number (no) no.345 
Page pp.43-48 
#Pages 6 
Date of Issue 2013-12-05 (MR) 

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