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| Presentation | 2011-07-15 16:45 MR ratio and RA design of CPP-MR film for 2-5Tb/in2 read sensors Masayuki Takagishi, Hitoshi Iwasaki, Susumu Hashimoto (TOSHIBA)  MR2011-7 Link to ES Tech. Rep. Archives: MR2011-7 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We estimated the current perpendicular to plane (CPP)-MR performance target required for HDD with areal density from 2Tb/in2 to 5Tb/in2, considering spin transfer torque (STT) and thermal magnetic noise. It is found that the noise due to STT drastically affects the MR performance target for low RA film. Read elements with higher RA (around 0.1-0.3Ω・μm2) are preferable to control STT. In addition, thermal magnetic noise remained smaller than media magnetic noise for 2Tb/in2 while it becomes comparable to media magnetic noise for 5Tb/in2, suggesting the necessity of a new method to control thermal magnetic noise. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | CPP-MR / 5Tbpsi / Spin Torque / Thernaml noise / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, July 2011. | |
| Paper # | ||
| Date of Issue | 2011-07-08 (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) | |
| Notes on Review | This article is a technical report without peer review, and its polished version will be published elsewhere. | |
| Download PDF | MR2011-7 Link to ES Tech. Rep. Archives: MR2011-7 |
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| Conference Information | |
| Committee | MRIS ITE-MMS |
| Conference Date | 2011-07-15 - 2011-07-15 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Chuo University, Kohraku-en Campus |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Recording Medium, etc. |
| Paper Information | |
| Registration To | MRIS |
| Conference Code | 2011-07-MR-MMS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | MR ratio and RA design of CPP-MR film for 2-5Tb/in2 read sensors |
| Sub Title (in English) | |
| Keyword(1) | CPP-MR |
| Keyword(2) | 5Tbpsi |
| Keyword(3) | Spin Torque |
| Keyword(4) | Thernaml noise |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Masayuki Takagishi |
| 1st Author's Affiliation | Toshiba Co. (TOSHIBA) |
| 2nd Author's Name | Hitoshi Iwasaki |
| 2nd Author's Affiliation | Toshiba Co. (TOSHIBA) |
| 3rd Author's Name | Susumu Hashimoto |
| 3rd Author's Affiliation | Toshiba Co. (TOSHIBA) |
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| Speaker | Author-1 |
| Date Time | 2011-07-15 16:45:00 |
| Presentation Time | 25 minutes |
| Registration for | MRIS |
| Paper # | MR2011-7 |
| Volume (vol) | vol.111 |
| Number (no) | no.140 |
| Page | pp.49-53 |
| #Pages | 5 |
| Date of Issue | 2011-07-08 (MR) |
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