High-Field Gradient Cusp Field Single-Pole Writing Head with Front Return Yoke

Kazuyuki Ise; Kiyoshi Yamakawa; Naoki Honda; Kazuhiro Ouchi; Hiroaki Muraoka; Yoshihisa Nakamura

doi:10.1109/TMAG.2003.815454

High-Field Gradient Cusp Field Single-Pole Writing Head with Front Return Yoke

Kazuyuki Ise, Kiyoshi Yamakawa, Naoki Honda, Kazuhiro Ouchi, Hiroaki Muraoka, Yoshihisa Nakamura

Broadband Engineering Division

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

9 Citations (Scopus)

Abstract

The relationship between single-pole head design and recording resolution was investigated in perpendicular recording. It has been found from the computer simulation that it is useful to make a narrow separation between the main pole and the return yoke at the trailing side of the cusp-field single-pole-type (CF-SPT) head. A new head structure with an additive return yoke on the head surface was proposed to realize the aforementioned structure. The new head was fabricated by depositing the soft magnetic thin film onto the air-bearing surface of the CF-SPT head, followed by slitting the film along the main-pole edges by a focused-ion-beam system. As a result, the new head that modified a pole configuration improved D₅₀ value about 25 kFCI compared with the original CF-SPT head.

Original language	English
Pages (from-to)	2374-2376
Number of pages	3
Journal	IEEE Transactions on Magnetics
Volume	39
Issue number	5 II
DOIs	https://doi.org/10.1109/TMAG.2003.815454
Publication status	Published - 2003 Sep 1

Keywords

Head field gradient
Perpendicular recording
Single-pole (SPT) head

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

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10.1109/TMAG.2003.815454

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title = "High-Field Gradient Cusp Field Single-Pole Writing Head with Front Return Yoke",

abstract = "The relationship between single-pole head design and recording resolution was investigated in perpendicular recording. It has been found from the computer simulation that it is useful to make a narrow separation between the main pole and the return yoke at the trailing side of the cusp-field single-pole-type (CF-SPT) head. A new head structure with an additive return yoke on the head surface was proposed to realize the aforementioned structure. The new head was fabricated by depositing the soft magnetic thin film onto the air-bearing surface of the CF-SPT head, followed by slitting the film along the main-pole edges by a focused-ion-beam system. As a result, the new head that modified a pole configuration improved D50 value about 25 kFCI compared with the original CF-SPT head.",

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author = "Kazuyuki Ise and Kiyoshi Yamakawa and Naoki Honda and Kazuhiro Ouchi and Hiroaki Muraoka and Yoshihisa Nakamura",

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AU - Ise, Kazuyuki

AU - Yamakawa, Kiyoshi

AU - Honda, Naoki

AU - Ouchi, Kazuhiro

AU - Muraoka, Hiroaki

AU - Nakamura, Yoshihisa

PY - 2003/9/1

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