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Paper Abstract and Keywords
Presentation 2009-07-16 15:45
Observation of magnetization distribution in the pseudo soft under layer of perpendicular magnetic recording media by electron holography
Kei Hirata (OIST/TDK), Yoichi Ishida (TDK), Keiichi Yanagisawa (OIST), Hiroto Kasai (OIST/Hitachi Ltd.,), Daisuke Shindo (OIST/Tohoku Univ.), Akira Tonomura (OIST/Hitachi Ltd.,) MR2009-18
Abstract (in Japanese) (See Japanese page) 
(in English) We visualized cross-sectional magnetic flux density in the off-track direction in the pseudo soft underlayer (SUL) of perpendicular magnetic recording media.
A pseudo-SUL was deposited on the fabricated slider of a perpendicular
magnetic recording head, and electron holography was used to visualize and quantify the magnetic flux magnitude and distribution in the pseudo-SUL. We observed the pseudo-SUL magnetized by the write field from the writer pole tip.
The magnetic flux magnitude and full width at half maximum increased with an increasing write field. We obtained a relative correspondence in an actual recording situation.
Keyword (in Japanese) (See Japanese page) 
(in English) Electron holography / Perpendicular magnetic recording head / Perpendicular magnetic recording media / Soft under layer / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, July 2009.
Paper #  
Date of Issue 2009-07-09 (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 MR2009-18

Conference Information
Committee MRIS ITE-MMS  
Conference Date 2009-07-16 - 2009-07-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo Inst. of Tech. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MRIS 
Conference Code 2009-07-MR-MMS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Observation of magnetization distribution in the pseudo soft under layer of perpendicular magnetic recording media by electron holography 
Sub Title (in English)  
Keyword(1) Electron holography  
Keyword(2) Perpendicular magnetic recording head  
Keyword(3) Perpendicular magnetic recording media  
Keyword(4) Soft under layer  
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1st Author's Name Kei Hirata  
1st Author's Affiliation Okinawa Institute of Sicence and Technology/TDK Corporation (OIST/TDK)
2nd Author's Name Yoichi Ishida  
2nd Author's Affiliation TDK Corporation (TDK)
3rd Author's Name Keiichi Yanagisawa  
3rd Author's Affiliation Okinawa Institute of Sicence and Technology (OIST)
4th Author's Name Hiroto Kasai  
4th Author's Affiliation Okinawa Institute of Sicence and Technology/Hitachi Ltd., (OIST/Hitachi Ltd.,)
5th Author's Name Daisuke Shindo  
5th Author's Affiliation Okinawa Institute of Sicence and Technology/Institute of Multidisciplinary Research for Advanced Materials, Tohoku University (OIST/Tohoku Univ.)
6th Author's Name Akira Tonomura  
6th Author's Affiliation Okinawa Institute of Sicence and Technology/Hitachi Ltd., (OIST/Hitachi Ltd.,)
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Speaker Author-1 
Date Time 2009-07-16 15:45:00 
Presentation Time 25 minutes 
Registration for MRIS 
Paper # MR2009-18 
Volume (vol) vol.109 
Number (no) no.132 
Page pp.31-34 
#Pages 4 
Date of Issue 2009-07-09 (MR) 

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