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Paper Abstract and Keywords
Presentation 2012-03-16 14:15
Information Stability in Magnetic Recording
Tadashi Kobayashi, Tatsuya Kitayama, Yuji Fujiwara (Mie Univ.) MR2011-43
Abstract (in Japanese) (See Japanese page) 
(in English) The bERs were calculated for 10 grains, 4 grains, and 1 grain per bit media (BPM) after 10 years of archiving. To simulate the bER, random grain sizes with a normal distribution are generated, and the grain error probability is calculated. The bER worsens when the grain number per bit is decreased. Increasing the thermal stability factor and decreasing the standard deviation of the grain size improve the bER. We found that the BPM may require a higher thermal stability factor than granular media. The speed at which information degrades was also calculated. The degradation speed for a high thermal stability factor is slower than that for a low factor even if the bERs after 10 years are the same.
Keyword (in Japanese) (See Japanese page) 
(in English) Magnetic Recording / Bit Error Rate / Granular Media / Bit Patterned Media / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, March 2012.
Paper #  
Date of Issue 2012-03-09 (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 MR2011-43

Conference Information
Committee MRIS ITE-MMS  
Conference Date 2012-03-16 - 2012-03-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagoya Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Optical Recording, General 
Paper Information
Registration To MRIS 
Conference Code 2012-03-MR-MMS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Information Stability in Magnetic Recording 
Sub Title (in English)  
Keyword(1) Magnetic Recording  
Keyword(2) Bit Error Rate  
Keyword(3) Granular Media  
Keyword(4) Bit Patterned Media  
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1st Author's Name Tadashi Kobayashi  
1st Author's Affiliation Mie University (Mie Univ.)
2nd Author's Name Tatsuya Kitayama  
2nd Author's Affiliation Mie University (Mie Univ.)
3rd Author's Name Yuji Fujiwara  
3rd Author's Affiliation Mie University (Mie Univ.)
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Speaker Author-1 
Date Time 2012-03-16 14:15:00 
Presentation Time 25 minutes 
Registration for MRIS 
Paper # MR2011-43 
Volume (vol) vol.111 
Number (no) no.493 
Page pp.17-21 
#Pages 5 
Date of Issue 2012-03-09 (MR) 

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