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2015•Proceedings of JSME-IIP/ASME-ISPS Joint Conference on Micromechatronics for Information and Precision Equipment IIP/ISPS joint MIPEOpen access

WeA-3-5 A STUDY ON HEAD/TAPE SPACING OF BARIUM FERRITE MAGNETIC TAPE MEDIA

Eiki Ozawa, Yuichi Kurihashi, Osamu Shimizu

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Abstract

To understand why barium ferrite (BaFe) tape exhibits low friction and small spacing loss, the magnetic spacing, transition parameter and head/tape physical spacing were investigated and compared with metal particle (MP) tape. As a result, we found that using BaFe tape can reduce both the magnetic spacing and the transition parameter while maintaining a similar friction (physical spacing) as that of MP tape. The ability to reduce these parameters is considered to be due to a particle property specific to barium ferrite. These results suggest that BaFe tape is superior to MP tape for high-density recording.

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What this paper is about

To understand why barium ferrite (BaFe) tape exhibits low friction and small spacing loss, the magnetic spacing, transition parameter and head/tape physical spacing were investigated and compared with metal particle (MP) tape. As a result, we found that using BaFe tape can reduce both the magnetic spacing and the transition parameter while maintaining a similar friction (physical spacing) as that of MP tape. The ability to reduce these parameters is considered to be due to a particle property specific to barium ferrite. These results suggest that BaFe tape is superior to MP tape for high-density recording.

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Available abstract

To understand why barium ferrite (BaFe) tape exhibits low friction and small spacing loss, the magnetic spacing, transition parameter and head/tape physical spacing were investigated and compared with metal particle (MP) tape. As a result, we found that using BaFe tape can reduce both the magnetic spacing and the transition parameter while maintaining a similar friction (physical spacing) as that of MP tape. The ability to reduce these parameters is considered to be due to a particle property specific to barium ferrite. These results suggest that BaFe tape is superior to MP tape for high-density recording.

Key concepts: Barium ferrite, Magnetic tape, Materials science, Ferrite (magnet), Barium, Composite material, Head (geology), Acoustics

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