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Paper Abstract and Keywords
Presentation 2024-06-06 15:25
Effect of Curie Temperature Distributions on the User Areal Density of Heat-Assisted Magnetic Recording
Simon Greaves (Tohoku Univ), Hirofumi Suto (NIMS), Yasuaki Nakamura (Ehime Univ), Yasushi Kanai (NIIT) MRIS2024-4
Abstract (in Japanese) (See Japanese page) 
(in English) The effect of Curie temperature distributions and average grain size on the user areal density (UAD) of heat-assisted magnetic recording media was calculated for target areal densities of 2, 3 and 4 Tbit/in2. A grain switching probability model was used to write tracks and the bit error rate evaluated, allowing the UAD to be calculated. A 10% Curie temperature distribution reduced the UAD by 0.5 - 0.8 Tbit/in2, with larger reductions for media with smaller grains. The effect of the reader on the UAD was also evaluated and found to be less significant for media with Tc distributions.
Keyword (in Japanese) (See Japanese page) 
(in English) HAMR / / / / / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 67, MRIS2024-4, pp. 18-23, June 2024.
Paper # MRIS2024-4 
Date of Issue 2024-05-30 (MRIS) 
ISSN 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 MRIS2024-4

Conference Information
Committee MRIS ITE-MMS  
Conference Date 2024-06-06 - 2024-06-07 
Place (in Japanese) (See Japanese page) 
Place (in English) Tohoku Univ., RIEC 
Topics (in Japanese) (See Japanese page) 
Topics (in English) recording system/head/media, etc. 
Paper Information
Registration To MRIS 
Conference Code 2024-06-MRIS-MMS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Effect of Curie Temperature Distributions on the User Areal Density of Heat-Assisted Magnetic Recording 
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1st Author's Name Simon Greaves  
1st Author's Affiliation Tohoku University (Tohoku Univ)
2nd Author's Name Hirofumi Suto  
2nd Author's Affiliation NIMS (NIMS)
3rd Author's Name Yasuaki Nakamura  
3rd Author's Affiliation Ehime University (Ehime Univ)
4th Author's Name Yasushi Kanai  
4th Author's Affiliation Niigata Institute of Technology (NIIT)
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Speaker Author-1 
Date Time 2024-06-06 15:25:00 
Presentation Time 25 minutes 
Registration for MRIS 
Paper # MRIS2024-4 
Volume (vol) vol.124 
Number (no) no.67 
Page pp.18-23 
#Pages 6 
Date of Issue 2024-05-30 (MRIS) 

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