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Short-wavelength magnetic recording : new methods and analyses /
Short-wavelength magnetic recording presents a series of practical solutions to a wide range of problems in the field of magnetic recording. It features many new and original results, all derived from fundamental principles as a result of up-to-date research. A special section is devoted to the play...
| Clasificación: | Libro Electrónico |
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| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Oxford, UK : New York :
Elsevier Advanced Technology ; Distributed in the USA and Canada by Elsevier Science Pub. Co.,
�1990.
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| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Front Cover; Short-Wavelength Magnetic Recording: New Methods and Analyses; Copyright Page; Table of Contents; Glossary of special definitions, symbols and notations; Curriculum vitae; Acknowledgements; Foreword; Chapter 1. Introduction; 1.1 History; 1.2 Basic principles of magnetic recording; 1.3 Scope of this book; References; Chapter 2. Calculations of the field near magnetized anisotropic layered media including backlayer and gap smear; 2.1 Introduction; 2.2 Field calculations; 2.3 Real coating and backlayer permeability; 2.4 Real coating permeability and no backlayer.
- Chapter 4. Further considerations concerning the alternative reciprocity theorem4.1 Introduction; 4.2 The extended form of the alternative reciprocity theorem in the x, y, z space; 4.3 The alternative reciprocity theorem in k space; 4.4 Release from the requirement 'dispersion free'; 4.5 The use of complex time- and x-independent quantities in the alternative reciprocity theorem; Appendix 4.1 The alternative reciprocity theorem for a disper- sion-free tape and a head showing dispersion; References; Chapter 5. Sensitivity functions, gap loss functions and the efficiency; 5.1 Introduction.
- 6.5 Concluding remarksReferences; Chapter 7. A simple model for unbiased sine-wave recording; 7.1 Introduction; 7.2 Theory and verification; 7.3 Discussion; 7.4 Influence of low permeability around the gap; 7.5 Conclusions; Appendix 7.1 Playback voltage in the case of the UMM; Appendix 7.2 Survey of literature and comments; References; Chapter 8. Video-head parameters: model and measurements; 8.1 Analytical approach to 3-dimensional video head; 8.2 Quick efficiency measurement; 8.3 Comparison of measurements with model calculations; 8.4 Comparison of model with FEM calculations.