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IEEE Transactions on Magnetics

Issue 2 • Date March 1983

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Displaying Results 1 - 14 of 14
  • [Front cover and table of contents]

    Publication Year: 1983, Page(s): 0
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  • A new zero-ripple switching DC-to-DC converter and integrated magnetics

    Publication Year: 1983, Page(s):57 - 75
    Cited by:  Papers (53)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1856 KB)

    A new switching dc-to-dc converter is synthesized which consist of the least number of storage elements (inductive and capacitive) and switches, and yet truly emulates the ideally desired dc-to-dc transformer having both input and output currents as pure dc quantities with no ripple. This result was facilitated by implementation of a new concept termed integrated magnetics, which leads in some spe... View full abstract»

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  • New magnetic structures for switching converters

    Publication Year: 1983, Page(s):75 - 83
    Cited by:  Papers (18)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (872 KB)

    In the past the majority of power processing applications have been centered around a very few standard switching converter topologies. Recently, a number of new converter topologies have been proposed in order to find the best possible electrical inter connection of power processing elements: switches, storage components, and transformers, that would yield the highest efficiency and best performa... View full abstract»

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  • On the noise power spectral density of particulate recording media

    Publication Year: 1983, Page(s):84 - 89
    Cited by:  Papers (25)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (640 KB)

    The ac-noise power spectrum is investigated. Because of the interaction forces between the particles, the structure of the particulate layer has a dominant influence. This structure is quantified by means of the dc-noise power spectrum. Depending on the dispersion and coating technique the duster structure appears to vary. The ac-noise power is described by a mechanism of negative and positive int... View full abstract»

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  • The coercivity of multiple acicular particles

    Publication Year: 1983, Page(s):90 - 94
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (600 KB)

    It is known that the acicular particles comprising a tape coating often occur as groups of a very few single particles lying side by side, i.e., "multiple particles." The coercivity of such multiple particles was calculated and compared with that of the constituent single particles. In general it was found that the effect of multiplicity was to reduce the connecivity by up to 20 percent, which is ... View full abstract»

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  • Perpendicular stand-still recording in Co-Cr films

    Publication Year: 1983, Page(s):94 - 104
    Cited by:  Papers (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1048 KB)

    Some features of perpendicular recording were investigated by means of stand-still recording experiments. For this purpose several radio frequency (RF)-sputtered Co-Cr layers of two different compositions were used as media while a Permalloy single pole (SP) head was used as a write transducer. A magnetoresistive transducer (MRT) was utilized to read the recorded pattern. Further, an analytical mo... View full abstract»

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  • NiFeCo--An alternative to permalloy for bubble domain detection?

    Publication Year: 1983, Page(s):104 - 110
    Cited by:  Papers (6)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (944 KB)

    The characteristics of bubble domain sensors fabricated from ternary NiFeCo films have been studied and compared with Permalloy film sensors. In 350 Å thick films, the ternary alloy exhibits a magnetoresistance ratio of 3.5 percent in contrast to 2.8 percent for Permalloy films prepared under similar conditions. Sensor sensitivity in functional bubble chips is correspondingly greater, while t... View full abstract»

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  • Optimum design considerations for dual conductor bubble devices

    Publication Year: 1983, Page(s):111 - 119
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (792 KB)

    A design for dual conductor, current-access bubble devices with 8-μm periods has been optimized with a numerical calculation method for bubble motion in a propagating magnetic field, generated around hole patterns in conductor layers. Magnetic bias field distributions are calculated for an oval hole chain in the conductor layers. Bubble motion equations are obtained with analytical field dist... View full abstract»

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  • Three-dimensional eddy current problems using the T-Ω method and fredholm integral equations

    Publication Year: 1983, Page(s):120 - 125
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (544 KB)

    A technique is discussed for computing three-dimensional magnetic fields created by an oscillating source in a conducting medium. The technique's contribution lies in the manner in which the Fredholm integral technique is merged with a representation of the magnetic field as the sum of a vector and the gradient of a scalar (the T-Ω representation). The T-Ω representation is shown to conv... View full abstract»

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  • Characteristics of the capacitively loaded flux gate sensor

    Publication Year: 1983, Page(s):126 - 130
    Cited by:  Papers (16)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (528 KB)

    Starting with a variational principle (through Lagrange's equation), a new and simpler form of the equations for reactively loaded flux gate elements has been developed. Apart from the simplicity of the derivation, the result offers the advantage that it is expressed in terms of easily measurable parameters. By capacitively loading the flux gate there may be obtained through parametric amplificati... View full abstract»

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  • Correction to "Current distributions on gratings and meanderlines: With MSW applications"

    Publication Year: 1983, Page(s): 136
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (99 KB)

    First Page of the Article
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  • Properties of amorphous alloy films mainly composed of Co--Nb

    Publication Year: 1983, Page(s):131 - 135
    Cited by:  Papers (33)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (424 KB)

    Amorphous alloy films, mainly composed of Co-Nb, have been studied by radio frequency (RF) sputtering. These amorphous films having small magnetostriction show excellent soft magnetic properties after the magnetic annealing we have developed. One of them with the composition of (Co83.5Fe2)92/85.5Nb8was found to have very high saturation magnetization ... View full abstract»

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  • Correction to "Magnetoacoustic memory effect by electric core-currents"

    Publication Year: 1983, Page(s): 136
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (99 KB)

    First Page of the Article
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  • [Back cover]

    Publication Year: 1983, Page(s): 0
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    Freely Available from IEEE

Aims & Scope

IEEE Transactions on Magnetics publishes research in science and technology related to the basic physics and engineering of magnetism, magnetic materials, applied magnetics, magnetic devices, and magnetic data storage.

Full Aims & Scope

Meet Our Editors

Editor-in-Chief
Pavel Kabos
National Institute of Standards and Technology