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Paper Abstract and Keywords
Presentation 2009-06-12 10:45
3-D FD-TD analysis of an optical near-field generated by a metallic thin-film for thermally assisted magnetic recording
Tatsuya Kaise, Kazunori Hirasawa, Yasushi Kanai (Niigata Inst. of Tech.), Yutaka Tange (Maizuru Nat'l Col.), Tadao Ohtani (Mitsubishi Heavy Industries, Ltd) MR2009-10
Abstract (in Japanese) (See Japanese page) 
(in English) Thermally assisted magnetic recording is one of the possible candidates that achieves the areal densities of 1 terabit/inch2. In the scheme, the recording layer is heated by the external, optical energy. The signal is recorded when the coercive force of recording layer is reduced, therefore, relatively small magnetic field is necessary to switch the medium.
In this report, the optical near fields from the metallic, thin film have been obtained for various structures with and without the aperture by using the three-dimensional finite-difference time-domain (FD-TD) method. Finally, the head field and the near field energy distributions are compared and discussed if a proper thermal energy can be applied to the recording layer.
Keyword (in Japanese) (See Japanese page) 
(in English) Thermally-assisted magnetic recording / Optical near-filed / Metallic thin film / 3-D FD-TD analysis / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, June 2009.
Paper #  
Date of Issue 2009-06-04 (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 MR2009-10

Conference Information
Committee ITE-MMS MRIS  
Conference Date 2009-06-11 - 2009-06-12 
Place (in Japanese) (See Japanese page) 
Place (in English) RIEC Tohoku Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MRIS 
Conference Code 2009-06-MMS-MR 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) 3-D FD-TD analysis of an optical near-field generated by a metallic thin-film for thermally assisted magnetic recording 
Sub Title (in English)  
Keyword(1) Thermally-assisted magnetic recording  
Keyword(2) Optical near-filed  
Keyword(3) Metallic thin film  
Keyword(4) 3-D FD-TD analysis  
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1st Author's Name Tatsuya Kaise  
1st Author's Affiliation Niigata Institute of Technology (Niigata Inst. of Tech.)
2nd Author's Name Kazunori Hirasawa  
2nd Author's Affiliation Niigata Institute of Technology (Niigata Inst. of Tech.)
3rd Author's Name Yasushi Kanai  
3rd Author's Affiliation Niigata Institute of Technology (Niigata Inst. of Tech.)
4th Author's Name Yutaka Tange  
4th Author's Affiliation Maizuru National College (Maizuru Nat'l Col.)
5th Author's Name Tadao Ohtani  
5th Author's Affiliation Mitsubishi Heavy Industries, Ltd (Mitsubishi Heavy Industries, Ltd)
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Speaker Author-3 
Date Time 2009-06-12 10:45:00 
Presentation Time 30 minutes 
Registration for MRIS 
Paper # MR2009-10 
Volume (vol) vol.109 
Number (no) no.80 
Page pp.51-57 
#Pages 7 
Date of Issue 2009-06-04 (MR) 

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