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Magnetic Head Efficiency and Saturation 5
HI Techniques for Measuring Magnetic Recording Head Performance 15
SKM and Microloop Measurements 31
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arctangent calculated Cgs-emu core reluctance decreases deep gap field domain wall Eastman Kodak eddy currents fclose(fo ferrite head FeRuGaSi head field vector finite difference methods finite difference model Finite element analysis float fprintf(fo,"%e function of frequency function of Hg/Hc gap face gap length half core HDTV head head core head current head efficiency head field head material head saturation head surface high frequencies I/O curves incident beam increase inductive micro-loop linear recording densities loop mA-turns magnetic field magnetic head magnetic recording head Magneto-Optic Kerr Effect magnetomotive force magnetostatic fields maximum metal head metal layer micro-loop measurements multi-layer heads non-linear finite difference normalized efficiency spectrum objective lens particle nucleation permeability grid points plotted potential grid points recording media recording model result saturation effects saturation magnetization scalar potential scanning Kerr microscope Sendust skin depth SKM I/O SKM measurements SKM scan surface charge density tape thick medium