Výsledky vyhledávání - "Tsugihiro Doi"

Ru-O/Ru hybrid type of underlayer for CoPtCr-SiO2 perpendicular recording media on flexible tape

Autor: Shigeki Nakagawa, Tetsutaro Inoue, T. Matsuu, A. Hashimoto, Satoshi Matsunuma, H. Fujiura, Tsugihiro Doi

Publikováno v: Journal of Magnetism and Magnetic Materials. 320:3000-3003

Ru/CoPtCr-SiO 2 bilayer prepared at 4 and 26 mTorr of Ar gas pressure for the deposition of Ru and CoPtCr-SiO 2 layers, respectively, exhibits better magnetic properties suitable for perpendicular magnetic recording media when they are deposited at r

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7f173494333cbdef12ccbe767e3f566c
https://doi.org/10.1016/j.jmmm.2008.08.009

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Playback performance and microstructure of sputtered tape media formed by facing targets sputtering

Autor: Tetsutaro Inoue, Tsugihiro Doi, T. Matsuu, Shigeki Nakagawa, A. Hashimoto, H. Fujiura, Satoshi Matsunuma

Publikováno v: J. Magn. Magn. Mater.. 320(No. 22):2996-2999

Sputtered tape media of a CoPtCr–SiO 2 magnetic layer with a Ru underlayer was fabricated on a thin Aramid film by a facing targets sputtering (FTS) system at room temperature with no cooling. Transition electron microscope (TEM) images show column

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::117c5f2cc61f35069868bcea3c662bf1
http://t2r2.star.titech.ac.jp/cgi-bin/publicationinfo.cgi?q_publication_content_number=CTT100593172

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Comparison of Playback Performance of Facing Targets Sputtered Perpendicular and Longitudinal Tape Media

Autor: Ken-ichiro Hirata, A. Hashimoto, Satoshi Matsunuma, T. Matsuu, Tetsutaro Inoue, Tsugihiro Doi, Shigeki Nakagawa

Publikováno v: IEEE Trans. Magn.. 45(No. 10):3598-3600

Playback performances of sputtered perpendicular recording tape media were investigated in comparison with longitudinal media. Perpendicular (Media P, out-of-plane coercivity of 318.3 kA/m) and longitudinal (Media L, inplane coercivity of 279.3 kA/m)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a07db58e86dc0c273b2c28b3c4be439a
http://t2r2.star.titech.ac.jp/cgi-bin/publicationinfo.cgi?q_publication_content_number=CTT100592732

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Magnetic Recording Measurements of Sputtered Media on Tape at an Areal Density of 14 ${\rm Gb/in}^{2}$

Autor: Teya Topuria, Satoshi Matsunuma, David Berman, V.H. Chembrolu, Tsugihiro Doi, Shigeki Nakagawa, T. Matsuu, A. Hashimoto, Ken-ichiro Hirata, Tetsutaro Inoue

Publikováno v: IEEE Transactions on Magnetics. 45:3584-3586

Magnetic recording characteristics of a thin-film sputtered media on tape are studied with an HDD head in a high precision nano-positioning system. Signal spectrum roll-off slope is used to determine the effective magnetic spacing to be about 108 nm.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::38061a92264811b8e0891eaaec39f1dc
https://doi.org/10.1109/tmag.2009.2021397

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Playback Performance of Facing Targets Sputtered Tape Media on Moving Tape Substrate with a High Speed

Autor: Tetsutaro Inoue, H. Fujiura, A. Hashimoto, T. Matsuu, Satoshi Matsunuma, Tsugihiro Doi, Ken-ichiro Hirata, Shigeki Nakagawa

Publikováno v: IEEE Trans. Magn.. 44(No. 11):3561-3563

Playback performances and microstructures of facing targets sputtered (FTS) longitudinal recording tape media on moving tape substrates were investigated at a fast (100 cm/min) and a slow (5.8 cm/min) moving speed. CoPtCr-SiO2 granular magnetic layer

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2c505c21ff197578a293e89b62cd8443
http://t2r2.star.titech.ac.jp/cgi-bin/publicationinfo.cgi?q_publication_content_number=CTT100592725

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Playback performance of ultrahigh-capacity tape media with nanosized composite advanced particle (NanoCAP)

Autor: Tetsutaro Inoue, Yuji Sasaki, M. Fukumoto, M. Kishimoto, Tsugihiro Doi, K. Nakiri, Hiroyuki Mitsuhashi

Publikováno v: IEEE Transactions on Magnetics. 42:465-467

We have developed nanosized composite advanced particles (NanoCAP) with spherical shape and high coercivity, and fabricated dual coated tape to evaluate playback performance. The spherical shape contributes to smooth surfaces and reduced boundary var

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7f5e430d3e13b4a2f9c3d7bfe6ff4fbb
https://doi.org/10.1109/tmag.2005.862761

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Synthesis and properties of high-molecular-weight soluble polyaniline and its application to the 4MB-capacity barium ferrite floppy disk's antistatic coating

Autor: Tsugihiro Doi, M. Ezoe, Masao Abe, T. Miyata, Akira Miyake, A. Ohtani

Publikováno v: Synthetic Metals. 57:3696-3701

Soluble and high molecular weight polyaniline is prepared by chemical oxidative polymerization of aniline. The oxidant/aniline molar ratio influences the solubility of the resulting undoped polymer. On the other hand, the molecular weight is affected

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2ce03b7d88c47dfb2333e378d90d73d2
https://doi.org/10.1016/0379-6779(93)90499-m

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Playback performance of ultra high capacity tape media with nanosized spherical metal particles (NanoCAP)

Autor: M. Fukumoto, Tsugihiro Doi, Tetsutaro Inoue, K. Nakiri, Yuji Sasaki, Hiroyuki Mitsuhashi, M. Kishimoto

Publikováno v: INTERMAG Asia 2005. Digests of the IEEE International Magnetics Conference, 2005..

A nanosized spherical metal particle (NanoCAP) with a very high coercivity up to 3000 Oe was developed. Its high coercivity was attributed to its crystalline anisotropy. In this paper, a magnetic recording tape with NanoCAP was fabricated and evaluat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a375578f61275d6cb53393ebae7589f6
https://doi.org/10.1109/intmag.2005.1464295

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