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Paper Abstract and Keywords
Presentation 2013-12-13 09:45
Simulation of high density recording on 3-layer ECC dot bit patterned media
Naoki Honda (Tohoku Inst. of Tech.), Kiyoshi Yamakawa (Akita Ind. Tech. Center)
Abstract (in Japanese) (See Japanese page) 
(in English) Magnetization reversal properties of ECC dots was analyzed using a simulation. Magnetic parameters of the formerly proposed 3-layer ECC dot were modified to compensate the additional anisotropy from the shape and the stacking of the layers. The modification in the magnetic parameters resulted in a minimum switching field and applied field angle dependence of the field. It was also indicated that the modification reduced the inter-dot magnetostatic interaction. Recording simulation using a multi-stepped shielded planar head field on the bit-patterned media with modified 3-layer ECC dots suggested possibility of a high areal density recording above 4 T dot/in2 with no energy assist. It was concluded that magnetic parameter compensation for additional shape and stacking anisotropy is indispensable for ECC dots.
Keyword (in Japanese) (See Japanese page) 
(in English) Multi-layered exchange coupled composite / Switching field / Applied field angle dependence / Anisotropy compensation / Recording simulation / / /  
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Conference Information
Committee IEICE-MRIS MMS  
Conference Date 2013-12-12 - 2013-12-13 
Place (in Japanese) (See Japanese page) 
Place (in English) Ehime Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Signal Processing, etc. 
Paper Information
Registration To IEICE-MRIS 
Conference Code 2013-12-MR-MMS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Simulation of high density recording on 3-layer ECC dot bit patterned media 
Sub Title (in English)  
Keyword(1) Multi-layered exchange coupled composite  
Keyword(2) Switching field  
Keyword(3) Applied field angle dependence  
Keyword(4) Anisotropy compensation  
Keyword(5) Recording simulation  
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1st Author's Name Naoki Honda  
1st Author's Affiliation Tohoku Institute of Technology (Tohoku Inst. of Tech.)
2nd Author's Name Kiyoshi Yamakawa  
2nd Author's Affiliation Akita Industrial Technology Center (Akita Ind. Tech. Center)
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Speaker Author-1 
Date Time 2013-12-13 09:45:00 
Presentation Time 30 minutes 
Registration for IEICE-MRIS 
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Volume (vol) vol.37 
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