Magneto-Resistive and Spin Valve Heads

2nd Edition

Fundamentals and Applications

Authors: John Mallinson
Hardcover ISBN: 9780124666276
eBook ISBN: 9780080510637
Imprint: Academic Press
Published Date: 5th September 2001
Page Count: 184
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Table of Contents

Preface 1. B, H, and M Fields 2. The Writing Process 3. The Reading Process 4. The Anisotropic Magneto-Resistive Effect 5. The Giant Magneto-Resistive Effect 6. Vertical Biasing Techniques 7. Horizontal Biasing Techniques 8. Hunt's Unshielded Horizontal and Vertical Anisotropic Magneto-Resistive Heads 9. Single-Element Shielded Vertical Magneto-Resistive Heads 10. Simple Spin Valve Giant Magneto-Resistive Heads 11. Enhanced Spin Valves 12. Synthetic Antiferro- and Ferrimagnets 13. Antiferromagnet Upsets 14. Flux-Guide and Yoke-Type Magneto-Resistive Heads 15. Double-Element Magneto-Resistive Heads 16. Comparison of Shielded Magneto-Resistive Head and Inductive Head Outputs 17. Simplified Design of a Shielded Anisotropic Magneto-Resistive Head 18. Simplified Design of a Shielded Giant Magneto-Resistive Head 19. Read Amplifiers and Signal-to-Noise Ratios 20. Colossal Magneto-Resistance and Electron Spin Tunneling Heads 21. Electrostatic Discharge Phenomena Appendix: Cgs-emu and MKS-SI (Rationalized) Units Recommended Bibliography on Magnetic Recording Index


This book is aims to be a comprehensive source on the physics and engineering of magneto-resistive heads. Most of the material is presented in a nonmathematical manner to make it more digestible for researchers, students, developers, and engineers.

In addition to revising and updating material available in the first edition, Mallinson has added nine new chapters dealing with various aspects concerning spin valves, the electron spin tunneling effect, the electrostatic discharge effects, read amplifiers, and signal-to-noise ratios, making this a completely up-to-date reference.

The previous edition of Magneto-Resistive Heads was the first volume in the new Academic Press series in Electromagnetism edited by Professor Isaak Mayergoyz, who is a well-recognized expert in the field.


Electrical engineering students and individuals working in the recording and information storage industries.


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© Academic Press 2002
Academic Press
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"This book is particularly valuable for its discussions. With his very good feeling (or better formulated: experience), John Mallinson consistently finds a good balance between evaluating or presenting equations and discussing relationships, methods and schemes for different applications. In addition, this book is very readable and never dull, and, therefore, highly recommmendable! READ-WRITE 96-27

About the Authors

John Mallinson Author

Affiliations and Expertise

Mallinson Magnetics, Inc., California, U.S.A.