Micromagnetic specifications for recording self-assembled bit-patterned media

Yan Dong; Yao Wang; R. H. Victora

doi:10.1063/1.3675152

Micromagnetic specifications for recording self-assembled bit-patterned media

Yan Dong, Yao Wang, R. H. Victora

Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

A design including exchange coupled composite (ECC) bits in hexagonal arrays and a multi-pole write head is proposed to meet the requirement of 9.7 × 10 ^-4 bit error rate, 4 nm magnetic fly height, 5 switching field distribution, 5 synchronization error, and 5 jitter error to achieve 2.9 Tbits/in. ² bit-patterned recording. Our head design writes two staggered tracks in a single pass and has maximum perpendicular field gradients of 580 Oe/nm along the down-track direction and 476 Oe/nm along the cross-track direction.

Original language	English (US)
Article number	07B904
Journal	Journal of Applied Physics
Volume	111
Issue number	7
DOIs	https://doi.org/10.1063/1.3675152
State	Published - Apr 1 2012

Bibliographical note

Funding Information:
The author would like to thank Manfred Schabes for valuable discussion. This work was supported by IDEMA/ASTC.

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10.1063/1.3675152

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abstract = "A design including exchange coupled composite (ECC) bits in hexagonal arrays and a multi-pole write head is proposed to meet the requirement of 9.7 × 10 -4 bit error rate, 4 nm magnetic fly height, 5 switching field distribution, 5 synchronization error, and 5 jitter error to achieve 2.9 Tbits/in. 2 bit-patterned recording. Our head design writes two staggered tracks in a single pass and has maximum perpendicular field gradients of 580 Oe/nm along the down-track direction and 476 Oe/nm along the cross-track direction.",

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AB - A design including exchange coupled composite (ECC) bits in hexagonal arrays and a multi-pole write head is proposed to meet the requirement of 9.7 × 10 -4 bit error rate, 4 nm magnetic fly height, 5 switching field distribution, 5 synchronization error, and 5 jitter error to achieve 2.9 Tbits/in. 2 bit-patterned recording. Our head design writes two staggered tracks in a single pass and has maximum perpendicular field gradients of 580 Oe/nm along the down-track direction and 476 Oe/nm along the cross-track direction.

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Micromagnetic specifications for recording self-assembled bit-patterned media

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