Physical Acoustics V9

Physical Acoustics V9

Principles and Methods

1st Edition - January 1, 1972

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  • Editor: Warren P. Mason
  • eBook ISBN: 9780323156677

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Description

Physical Acoustics: Principles and Methods, Volume IX includes four chapters that are device-oriented and devoted to understanding electron drag stresses on dislocations and difference in flow stress between the normal and superconducting states of Type I and Type II superconductors. Chapter 1 explains that when a dislocation moves through a crystal, it gives up energy to the medium either through a nonlinear motion over a dynamic Peierls barrier or through conversion of energy by scattering of electrons or phonons, which takes place with an energy loss proportional to the velocity. The next chapter discusses the propagation of ultrasonic surface waves in thin layers. The thin layer confines a surface wave laterally, providing a desired dispersion characteristic, acting as part of a transducer for generating surface waves, or providing an interaction region for other phenomena. Chapter 3 deals with a generation of solid state control elements that utilize the inverse piezoelectric effect. The last chapter provides approximate equations for coupled resonators and methods for accurately controlling the band frequency and bandwidth. This book is a useful reference for students and physicists working on physical acoustics.

Table of Contents


  • Contributors

    Preface

    1 Difference in Electron Drag Stresses on Dislocation Motion in the Normal and the Superconducting States for Type I and Type II Superconductors

    I.Introduction

    II. Experimental

    III. Theory

    IV. Discussion

    V. Summary

    Appendix

    References

    2 Elastic Wave Propagation in Thin Layers

    I.Introduction

    II. Wave Equation and Boundary Conditions

    III.Isotropic Problem

    IV. Crystal Symmetry

    V. Anisotropic Examples

    References

    3 Solid State Control Elements Operating on Piezoelectric Principles

    I.Introduction

    II. Basic Phenomenological Theory

    III. Electrostatic Devices

    IV. The Bimorph Actuator in a Control Loop

    V. Derivation of Transfer Function of Cantilever Bimorph Actuator

    VI. Piezoelectric Stepping Motor in Control Loop

    VII. A Laser Beam Deflector System

    VIII. Future Development

    References

    4 Monolithic Crystal Filters

    I.Introduction

    II. Thickness Vibrations in Thin Piezoelectric Plates

    III. Equivalent Electrical Networks for Thickness Vibrations in Thin Piezoelectric Plates

    IV. Process Technology

    V. MCF Applications

    References

    5 Design and Technology of Piezoelectric Transducers for Frequencies Above 100 MHz

    I.Introduction

    II. The Equivalent Circuit of a Transducer and Its Terminal Parameters

    III. Mason's Equivalent Circuit

    IV. The Transducer with a Single Piezoelectric Layer

    V. Transducers with Multiple Piezoelectric Layers and Interlaced Comb Surface Wave Transducers

    VI. Materials

    VII. Technological Methods

    VIII. Discussion and Conclusions

    References

    Author Index

    Subject Index

    Contents of Previous Volumes

Product details

  • No. of pages: 306
  • Language: English
  • Copyright: © Academic Press 1972
  • Published: January 1, 1972
  • Imprint: Academic Press
  • eBook ISBN: 9780323156677

About the Editor

Warren P. Mason

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