High Frequency Head and Playback Model for Thin-Film Recording Heads

IEEE Transactions on Magnetics

Volumn 30, Issue 2, 1994, Pages 394-403

  Corb, Brinton ^a  

^a Applied Magnetics Corporation   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EDDY CURRENTS; ELECTRIC IMPEDANCE MEASUREMENT; ELECTRIC RESISTANCE; FOURIER TRANSFORMS; GEOMETRY; INDUCTANCE MEASUREMENT; INTEGRAL EQUATIONS; MAGNETIC FIELDS; MAGNETIC PERMEABILITY; MAGNETOSTRICTION; MATHEMATICAL MODELS; THIN FILMS;

ARCTAN TRANSITIONS; DISCRETE FOURIER VERSION; HEAD SATURATION FIELDS; HIGH FREQUENCY HEAD; PLAYBACK MODEL; SZCZECH FIELDS; THIN FILM RECORDING HEADS; TIME DEPENDENT VECTOR POTENTIAL;

MAGNETIC HEADS;

EID: 0028385151     PISSN: 00189464     EISSN: 19410069     Source Type: Journal    
DOI: 10.1109/20.312293     Document Type: Article

References (6)

1. A. Paton, “Analysis of the Efficiency of Thin-film magnetic recording heads”, J. Appl. Phys., vol. 42, pp. 5868-5870, 1971.
2. G. Hughes, “Thin-film recording head efficiency and noise”, J. Appl. Phys., vol. 54, pp. 4168-4173, 1983.
3. T. C. Amoldussen, “A modular transmission line/reluctance head model”, IEEE Trans. Mag., vol. 24, pp. 2482-2484, 1988.
4. T. Szczech, “Analytic expressions for field components of nonsymmetrical finite pole tip length magnetic head based on measurements on large scale model”, IEEE. Trans. Mag., vol. 15, pp. 1319-1322, 1979. For evaluation of Hx(nk,d)Hg2g1, take the cosine transform of Szczech's (10) divided by l.1Hg2g1, and replace his g/2 with 1.1g1
5. G. A. Bertero, H. N. Bertram and D. M. Barnett, “Fields and Transforms for Thin-film Heads”, IEEE Trans. Mag., vol. 29, pp. 67-76, Jan. 1993. For evaluation of Hx(nk,d)/Hg2g1, replace his g/2 with g1, and use his eqns. (13), along with either his (10) or (11), multiplied by (2/π)1/2to account for transform definitions. Also note that Bertero's (10) and (11); the 0.060 factor should be 0.698.
6. M. L. Williams and R. L. Comstock, “An analytical model of the write process in digital magnetic recording”, 17th Annu. AIP Conf. Proc., Part l, pp. 738-742, 1971.