200 kFRPI data recording using a novel bi-layered head in perpendicular magnetic recording

Hiroaki Muraoka; Yasutaka Nishida; Yoshihisa Nakamura

doi:10.1109/20.281394

200 kFRPI data recording using a novel bi-layered head in perpendicular magnetic recording

Hiroaki Muraoka, Yasutaka Nishida, Yoshihisa Nakamura

Broadband Engineering Division

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

7 Citations (Scopus)

Abstract

Linearity in perpendicular magnetic recording was studied. An asymmetrical transition-shift occurs depending on the polarity of the pre-recorded magnetization of a medium, which deteriorates linearity. A new single pole head with two main poles which we call the bi-layered head improved linearity by avoiding the interference of magnetic field from the magnetized medium with the head field. As a result, 200 kFRPI recording was demonstrated to be practical with the partial response technique.

Original language	English
Pages (from-to)	4074-4076
Number of pages	3
Journal	IEEE Transactions on Magnetics
Volume	29
Issue number	6
DOIs	https://doi.org/10.1109/20.281394
Publication status	Published - 1993 Nov

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

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10.1109/20.281394

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abstract = "Linearity in perpendicular magnetic recording was studied. An asymmetrical transition-shift occurs depending on the polarity of the pre-recorded magnetization of a medium, which deteriorates linearity. A new single pole head with two main poles which we call the bi-layered head improved linearity by avoiding the interference of magnetic field from the magnetized medium with the head field. As a result, 200 kFRPI recording was demonstrated to be practical with the partial response technique.",

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N2 - Linearity in perpendicular magnetic recording was studied. An asymmetrical transition-shift occurs depending on the polarity of the pre-recorded magnetization of a medium, which deteriorates linearity. A new single pole head with two main poles which we call the bi-layered head improved linearity by avoiding the interference of magnetic field from the magnetized medium with the head field. As a result, 200 kFRPI recording was demonstrated to be practical with the partial response technique.

AB - Linearity in perpendicular magnetic recording was studied. An asymmetrical transition-shift occurs depending on the polarity of the pre-recorded magnetization of a medium, which deteriorates linearity. A new single pole head with two main poles which we call the bi-layered head improved linearity by avoiding the interference of magnetic field from the magnetized medium with the head field. As a result, 200 kFRPI recording was demonstrated to be practical with the partial response technique.

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200 kFRPI data recording using a novel bi-layered head in perpendicular magnetic recording

Abstract

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