Disk Drive Magnetic Recording

This chapter contains sections titled:

• Introduction

• Writing and Reading

• Field from the Head

• Example: Head Field Calculation

• Head Efficiency and Field in the Gap

• Reading of Magnetic Disk Data

• Reading with Step-Function Magnetic Transitions

• Reading Arctangent Magnetic Transitions

• Transition Parameter a

• Example: Calculations of Transition Parameter a, Vp-p, and P50

• Signal Voltage Parameters and Engineering Approximations

• Digital Writing Process: Discussion and Graphical Illustration

• Side Writing, Reading, Erasing, and Fringing Fields of Heads

• Reading Sinusoidal Magnetic Transitions

This chapter contains sections titled:

• References

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