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IEEE Translation Journal on Magnetics in Japan

Issue 9 • Date Sept. 1992

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Displaying Results 1 - 17 of 17
  • [Front cover]

    Publication Year: 1992, Page(s): c1
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  • List of contributors

    Publication Year: 1992, Page(s): nil1
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  • [Breaker page]

    Publication Year: 1992, Page(s): nil1
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  • Table of contents

    Publication Year: 1992, Page(s): 673
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  • Magnetoresistance of Multilayers

    Publication Year: 1992, Page(s):674 - 684
    Cited by:  Patents (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1708 KB)

    Very large magnetoresistance (MR) effects, caused by spin-dependent electron scattering, have been found in magnetic multilayer films. The resistivity increases remarkably in cases where the magnetization of adjacent layers are antiparallel. Antiparallel magnetization may result from antiferromagnetic interlayer coupling or from differences in coercive fields. Experimental results on the MR proper... View full abstract»

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  • Super Resolution in Magneto-Optical Disks

    Publication Year: 1992, Page(s):685 - 693
    Cited by:  Papers (1)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3698 KB)

    Super-resolution in magnetooptic disks is reviewed. Magnetically induced super-resolution (MSR) has been achieved using exchange-coupled magnetic multilayer films. Two types of detection method, Front Aperture Detection and Rear Aperture Detection, have been developed. The principle of MSR is discussed in this paper based on the exchange coupling between magnetic layers. The cutoff spatial frequen... View full abstract»

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  • Sensing Function in Amorphous Magnetic Materials

    Publication Year: 1992, Page(s):694 - 704
    Cited by:  Papers (8)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3033 KB)

    Sensor applications of amorphous materials have been diversifying because of the attractive sensing functions afforded by such materials. Among such functions are the quick response of magnetization due to high resistivity, stress sensitivity of magnetic characteristics due to the absence of crystalline anisotropy, and nonlinear magnetic properties controllable by an induced anisotropy. In this ar... View full abstract»

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  • MR Sensor for Magnetic Encoder

    Publication Year: 1992, Page(s):705 - 713
    Cited by:  Papers (3)  |  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1056 KB)

    Recent work on magnetoresistive elements for use in magnetic encoders is reviewed. Magnetic encoders are often used as position and speed detectors in motor control systems. They have attracted attention because of their durability in "dirty" environments, their low temperature dependence, excellent shock resistance, and compatibility with a wide variety of designs. Much of the current work on suc... View full abstract»

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  • Magnetic Sensors and Medical Bio-technology -Measuring Vibrations, Displacements, and Articulatory Movements-

    Publication Year: 1992, Page(s):714 - 721
    Cited by:  Papers (3)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1060 KB)

    Recent developments in non-contact magnetic sensing systems are reviewed, with respect to several applications in biomedical fields. Spatial information of a magnetic source can be obtained by measuring the direction and intensity of a magnetic field. Using a magnetometer sensor as a displacement sensor for microvibration, mechanocardiogram and eyelid vibrations can be stably and easily detected b... View full abstract»

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  • XPS Determination of Lubricant Film Thickness on Thin Film Magnetic Recording Disk

    Publication Year: 1992, Page(s):722 - 729
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1044 KB)

    Experimental electron mean free paths were utilized to determine the thickness of the lubricant film on thin film magnetic recording media. Electron mean free paths were obtained by experiments which provided multipoint data on the C-F peak height ratio vs. the lubricant thickness. The thickness of the lubricant film on the thin film magnetic recording media was calculated from the diameter of the... View full abstract»

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  • Effect of Heat-Treatment on the Magnetic Properties and Microstructure of Electroless-Plated CoNiP Films for Perpendicular Magnetic Recording

    Publication Year: 1992, Page(s):730 - 734
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2039 KB)

    The effect of heat treatment on the magnetic properties and microstructure of electroless plated CoNiP films for use as perpendicular magnetic recording media was investigated, in order to clarify the film microstructure in the as deposited state, as well as to evaluate their thermal stability. The as-deposited film consisted of a mixture of ≪002≫ perpendicularly oriented hep structu... View full abstract»

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  • Development of 2" Diameter Co-Cr Video Floppy Disk

    Publication Year: 1992, Page(s):735 - 739
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (655 KB)

    Four technical problems have delayed the commercialization of Co-Cr video floppy disks (VFDs): (1) smooth head contact, (2) durability and reliability in various environments, (3) significant improvement of recording performance, and (4) attainment of reasonable cost. This paper demonstrates the feasibility of simultaneously achieving (1) and (3). As for (2), durability has been achieved at 23°C,... View full abstract»

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  • Continuous Fabrication and Perpendicular Recording Characteristics of Co-Cr Magnetic Tape

    Publication Year: 1992, Page(s):740 - 745
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (834 KB)

    A new sputtering source (named an SPT target) was modified so as to enable high-rate deposition and continuous fabrication of Co-Cr composite perpendicular recording media. In order to improve the orientation and crystallinity of the Co-Cr layer and the permalloy backlayer, the aperture position was optimized and a magnetic return path plate was added to the target. The Co-Cr tape medium deposited... View full abstract»

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  • Preparation of Co-Cr-Ta Hard Disk High Density Recording Media

    Publication Year: 1992, Page(s):746 - 750
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1812 KB)

    In order to improve the anisotropy field distribution of Co-Cr recording media, the effect of Ta addition was investigated. It was found that by adding Ta the initial Co-Cr layer with poor crystal orientation is eliminated, and crystal orientation and crystallinity are drastically improved. It was also confirmed that the anisotropy field distribution of the Co-Cr-Ta layer is narrowed to one-third ... View full abstract»

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  • [Advertisement]

    Publication Year: 1992, Page(s): 751
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    Publication Year: 1992, Page(s): 752
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    Publication Year: 1992, Page(s): nil2
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Aims & Scope

IEEE Translation Journal on Magnetics in Japan is a publication of the IEEE Magnetics Society published between 1985 and 1994.

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Meet Our Editors

Editor-in-Chief
James E. Opfer
Hewlett-Packard