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Paper Abstract and Keywords
Presentation 2010-12-09 16:00
Write-margin Estimation of BPM using Static-tester
Kazuki Shirahata (RIEC,Tohoku Univ.), Hideki Saga (CRL,Hitachi,Ltd/RIEC,Tohoku Univ.), Kenji Miura, Takehito Shimatsu, Hajime Aoi, Hiroaki Muraoka (RIEC,Tohoku Univ.) MR2010-47
Abstract (in Japanese) (See Japanese page) 
(in English) Bit patterned medium (BPM) recording is widely studied as a future perpendicular magnetic recording technology. Only small pieces of medium samples are available in most cases. For evaluating the read-write characteristics, a static tester is useful to measure such a small area of BPM. We have prepared the tester for making possible measurements with write synchronization mode. In this report, experimental results of write-margin measurements of the BPM are presented. A position margin of 50 ~ 57 % of the dot period was confirmed, and we found the margin loss is related to formation of multi-domain dot.
Keyword (in Japanese) (See Japanese page) 
(in English) Perpendicular magnetic recording / bit patterned medium / write margin / multi-domain dot / / / /  
Reference Info. IEICE Tech. Rep., vol. 110, Dec. 2010.
Paper #  
Date of Issue 2010-12-02 (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)
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Conference Information
Committee ITE-MMS MRIS  
Conference Date 2010-12-09 - 2010-12-10 
Place (in Japanese) (See Japanese page) 
Place (in English) Ehime Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MRIS 
Conference Code 2010-12-MMS-MR 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Write-margin Estimation of BPM using Static-tester 
Sub Title (in English)  
Keyword(1) Perpendicular magnetic recording  
Keyword(2) bit patterned medium  
Keyword(3) write margin  
Keyword(4) multi-domain dot  
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1st Author's Name Kazuki Shirahata  
1st Author's Affiliation Research Institute of Electrical Communication.,Tohoku University (RIEC,Tohoku Univ.)
2nd Author's Name Hideki Saga  
2nd Author's Affiliation CRL,Hitachi,Ltd/Research Institute of Electrical Communication.,Tohoku University (CRL,Hitachi,Ltd/RIEC,Tohoku Univ.)
3rd Author's Name Kenji Miura  
3rd Author's Affiliation Research Institute of Electrical Communication.,Tohoku University (RIEC,Tohoku Univ.)
4th Author's Name Takehito Shimatsu  
4th Author's Affiliation Research Institute of Electrical Communication.,Tohoku University (RIEC,Tohoku Univ.)
5th Author's Name Hajime Aoi  
5th Author's Affiliation Research Institute of Electrical Communication.,Tohoku University (RIEC,Tohoku Univ.)
6th Author's Name Hiroaki Muraoka  
6th Author's Affiliation Research Institute of Electrical Communication.,Tohoku University (RIEC,Tohoku Univ.)
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Speaker Author-1 
Date Time 2010-12-09 16:00:00 
Presentation Time 30 minutes 
Registration for MRIS 
Paper # MR2010-47 
Volume (vol) vol.110 
Number (no) no.329 
Page pp.39-43 
#Pages 5 
Date of Issue 2010-12-02 (MR) 

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