Search Results - "Speliotis, D.E."

Performance of MP/sup ++/ and BaFe/sup ++/ tapes in high density recording applications by Speliotis, D.E.

“…Advanced tape recording is mostly dominated by metal particle (MP) media in helical scan analog and digital configurations. In the future, narrow track thin…”
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Medium magnetizations for longitudinal high-density digital recordings by Middleton, B.K., Aziz, M.M., Speliotis, D.E.

“…This paper reports on the influences of magnetic media remanent magnetizations on the output levels in digital magnetic tape and disk recording. While at low…”
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High density recording on particulate and thin film rigid disks by Speliotis, D.E.

“…Current development efforts in small rigid disks (5.25 and 3.5 inch) directed toward achieving linear flux reversal densities in the range of 20-35 kfci…”
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Corrosion of particulate and thin film media by Speliotis, D.E.

“…The stability of the magnetic parameters of several commercially available media was studied by measuring the bulk magnetic properties before and after…”
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Anisotropy fields of Ba-ferrite and other particulate media by Speliotis, D.E.

“…The anisotropy field (H/sub k/) in Co- and Ti-doped platelet-shaped particulate assemblies and in Co-modified iron oxide and very-high-coercivity…”
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Correlation of rotational magnetic properties and noise in thin film magnetic recording media by Speliotis, D.E.

“…Possible correlations between media noise and the magnetic, torque, and rotational energy losses in thin film media have been investigated. Torque magnetometry…”
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High density recording on particulate and thin film rigid display by Speliotis, D.E.

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Magnetic and recording characterization of Ba-ferrite particulate rigid disk media by Speliotis, D.E., Judge, J.P., Lynch, W., Burbage, J., Keirsted, R.

“…Orinted Ba-ferrite (BF) particulate media exhibit very good high density recording characteristics, as a result of very narrow switching fields and very square…”
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Effect of chromium underlayer thickness on recording characteristics of CoCrTa longitudinal recording media by Pressesky, J.L., Lee, S.Y., Heiman, N., Williams, D., Coughlin, T., Speliotis, D.E.

“…The bulk magnetic properties of the experimental disks were controlled in an attempt to isolate effects due to differences of underlayer morphology and…”
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Effect of the cation site occupancy on the magnetization reversal mechanism of hydrothermal barium ferrites by Corradi, A.R., Speliotis, D.E., Morrish, A.H., Pankhurst, Q.A., Zhou, X.Z., Bottoni, G., Candolfo, D., Cecchetti, A., Mazoli, F.

“…It has been found that when barium ferrite particles were doped with Ti and Co, the magnetization reversal mechanism of the assembly changed from mostly…”
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Double Layer Particulate magnetic Recording Tapes by Speliotis, D.E.

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Magnetic and thermomagnetic analysis of 4 megabyte barium ferrite flexible disks by Speliotis, D.E.

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Anisotropy field dispersion in recording media by Speliotis, D.E.

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Correlation between modulation noise and uniaxial anisotropy in high coercivity thin film recording media by Speliotis, D.E.

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Double-layer particulate magnetic recording tapes by Speliotis, D.E.

“…Double-coated particulate magnetic recording media have been used to optimize recording performance and, in some cases, to reduce cost. The concept involves…”
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Anisotropy field dispersion in recording media by Speliotis, D.E.

“…The H/sub k/ distribution was measured in many different commercial samples of particulate and thin-film media. In all cases, relatively large H/sub k/…”
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Magnetic and thermomagnetic analysis of 4 megabyte barium ferrite flexible disks by Speliotis, D.E.

“…The four megabyte flexible disks utilize unoriented coatings of barium ferrite particles. Comparing the disks from ten different manufacturers, the author…”
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Isolated pulses in particulate and thin film media by Speliotis, D.E.

“…Measurements were made of the half pulse widths (PW/sub 50/s) of advanced small rigid disks coated with high-coercivity thin metallic films and with oriented…”
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Correlation between modulation noise and uniaxial anisotropy in high-coercivity thin film recording media by Speliotis, D.E.

“…The author studied the recording and noise characteristics of many different high-coercivity thin-film media and their total magnetic anisotropy measured by a…”
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Peculiar evolution of the magnetic properties with temperature for (Ti, Co)-substituted barium ferrites by Corradi, A.R., Speliotis, D.E., Bottoni, G., Candolfo, D., Cecchetti, A., Masoli, F.

“…The temperature dependence of coercivity for (Ti,Co)-substituted barium ferrites between 77 and 500 K is found to be substantially different from that of…”
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