Extremely low inductance thin-film single-pole head on flying slider

Muraoka, H.; Sato, Katsutoshi; Nakamura, Y.; Katakura, Toru; Yazawa, Kazuaki

doi:10.1109/20.706587

Cited by 24 publications

(2 citation statements)

References 7 publications

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“…Fig. 5 shows magnetization loops along easy and hard axes of magnetization for films fabricated by stacking layer structure The stacking film of was used to the fabrication of SPT recording head [4] for perpendicular recording. A conventional head structure [6] was introduced to this demonstration.…”

Section: Resultsmentioning

confidence: 99%

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Soft magnetic properties and microstructure of NiFe(Cr)/FeCo/NiFe(Cr) films with large saturation magnetization

Katada¹,

Shimatsu²,

Watanabe³

et al. 2002

IEEE Trans. Magn.

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The soft magnetic properties of FeCo films, sandwiched by thin NiFe or NiFeCr films, are discussed in relation to the microstructure. Ta/NiFe(Cr)(5 nm)/FeCo(100 nm)/ NiFe(Cr)(5 nm)/Ta films prepared using the UHV sputtering process with pure Ar plasma show bcc-(110) preferred grain orientation of FeCo layer with the 110 direction sharply perpendicular to the film plane, resulting in soft magnetic properties. No significant difference in soft magnetic properties was observed by the use of nonmagnetic NiFeCr layers instead the NiFe layers, moreover, by varying FeCo composition between 25 and 30 at%Co. The best thickness of the FeCo layer in order to realize soft magnetic properties was found to be 100 nm in the present study, with a high saturation magnetization of 2.3 T. An addition of N 2 gas to Ar plasma during film deposition did not lead to an improvement of the soft magnetic properties. A film of [FeCo(100 nm)/NiFe(5 nm)] 4 layer structure was subjected to the fabrication of single-pole-type recording head, and it is successfully demonstrated that the film has a sufficient softness to be used for the recording head application.

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Section: Resultsmentioning

confidence: 99%

“…Moreover, a single-pole-type (SPT) recording head [4] for perpendicular media was fabricated using the FeCo films, and demonstrated that such films are sufficiently soft to be used for recording head applications. Manuscript II.…”

Section: Introductionmentioning

confidence: 99%