1981 Ultrasonics Symposium Proceedings

Front Matter

Table of Contents

A Comparison of Feeding Techniques for Group-Type Unidirectional Transducers
- Robert L. Miller and Bill J. Hunsinger

Low-Loss, Low Ripple SAW Filters Using Group-Type Unidirectional Transducers
- Waguih S. Ishak, William R. Shreve

Group-Type Unidirectional Transducers at L-Band Frequencies Utilizing Withdrawal Weighting
- Bob R. Potter

Low Loss SAW Bandpass Filters
- Ph. Defranould, J. Desbois

Low-Loss, Low Spurious Reflective Dot Array Filter Using Three-Phase Transducers
- D. Penunuri and J. L. Thoss

Wideband Third Harmonic Chirp Filters
- R. B. Stokes, K. F. Lau, K. H. Yen, R. S. Kagiwada, and A. M. Kong

The Deep Inlaid Interdigital Transducer
- R. Chapman, E. G. S. Paige and M. W. Wagg

Experimental and Theoretical Analysis of Temperature Dependence of Wideband SAW RAC Devices on Quartz
- D. M. Boroson and D. E. Oates

A SAW Tapped Delay Line with Short Pedestal of Delay and High (>110 Db) Feedthrough Isolation
- D. E. Dates and R. W. Ralston

250 MHz Programmable Transversal Filter
- Carl M. Panasik

Cascadable Tapped Delay Line Module
- D. H. Warne, J. J. Purcell and D. P. Morgan

The Diffraction Analysis and Correction of Narrowband SAW Transversal Filters
- R. C. Peach, N. H. Doggett, F. S. McClemont, A. Katsellis, A. J. Dyer

Implementation of Reflective Array Matched Filters for Radar Applications
- J. L. Thoss, D. Penunuri, M. Thostenson

Active Matching of Interdigital Transducers
- A. F. Arbel and J. E. Bowers

A 4.4 GHz SAW Filter Using a Single-Crystal ZnO Film on Sapphire
- T. Mitsuyu, O. Yamazaki, K. Wasa

Surface Wave Pulse Compression Filters with Long Chirp Time
- H. R. Stocker, R. Veith, E. Willibald, G. Riha

Surface Wave Deviced Using Low Loss Filter Technologies
- D. C. Malocha

The Production of Surface Acoustic Wave Resonators
- Scott Elliott, Marek Mierzwinski and Pete Planting

Power Dependence of Aging in SAW Resonators
- W. R. Shreve, Z. R. C. Bray, S. Elliott, Y. C. Chu

Multipole SAW Resonator Filters: Elements of Design and Fabrication
- William J. Tanski

SAW Resonator Filters with Optimized Transducer Rejection
- Thomas F. O'Shea, Ronald C. Rosenfeld

A LiTaO3 SAW Resonator and Its Application to Video Cassette Recorder
- Yasuo Ebata, Koji Sato, and Shigefumi Morishita

Split Open Metal Strip Arrays and Their Application to Resonators
- Toshihiro Kojima and Jun'ichi Tominaga

SH Surface Wave Propagation on Corrugated Surfaces of Rotated Y-Cut Quartz and Berlinite Crystals
- A. Renard, J. Henaff, B. A. Auld

Sensitivity of SAW Delay Lines and Resonators to Vibration
- T. E. Parker and J. Callerame

A Digitally Compensated SAW Oscillator
- A. J. Slobodnik, Jr., R. D. Colvin, G. A. Roberts, and J. H. Silva

A Wideband Frequency Memory Using an Overmoded SAW Oscillator
- C. M. Boyne and M. F. Lewis

SAW Reflection from Aluminium Strips on LiNbO3
- E. G. S. Paige, A. G. Stove and R. C. Woods

Temperature Sensor Using SAW Delay Line
- D. Hauden, G. Jaillet, R. Coquerel

Surface Acoustic Wave Accelerometer
- P. Hartemann and P-L. Meunier

Pressure and Acceleration Sensitivity of a SAW Interferometer
- E. J. Staples, J. Wise, and R. E. DeWames

Sensors Utilizing Thin-Membrane SAW Oscillators
- C. T. Chuang and Richard M. White

Circulating Flexural Wave Rotation Rate Sensor
- H. F. Tiersten, D. S. Stevens and P. K. Das

Graphic Sensor Using a Lamb Wave
- Akira Ishii and Shinichiro Hashimoto

A Surface Acoustic Wave Gas Detector
- A. Bryant, D. L. Lee and J. F. Vetelino

High Performance SAW Convolvers
- M. F. Lewis and C. L. West

High Performance Elastic Convolver with Extended Time-Bandwidth Product
- I. Yao

Monolithic S.A.W. Convolvers Using Chirp Transducers
- D. P. Morgan, D. H. Warne, P. N. Naish and D. R. Selviah

Elastic Convolver with a Modified Multistrip Coupler Compressor
- D. C. Malocha

Analysis of Amplitude and Phase Errors in Bilinear Convolvers
- D. P. Morgan

Broadband Matching for Multiply Tapped SAW Convolvers
- E. L. Adler

Digital Processors Using SAW Devices
- H. Gautier

Compact Multiple-Channel SAW Sliding-Window Spectrum Analyzer
- D. R. Arsenault and V. S. Dolat

SAW Based Spread Spectrum Modem Combining Chirp and Pseudonoise Coding
- M. Kowatsch, J. Lafferl and F. J. Seifert

Effect of Amplitude Limiting on Pulse Compression of Overlapping Linear Chirps
- J. Lafferl, M. Kowatsch and F. J. Seifert

A New Iterative Transform Algorithm Based on a Modular SAW-CFT Unit
- P. Tortoli, G. F. Manes and C. Atzeni

A Monolithic ZnO/Si PI-DMOS Convolver
- A. E. Comer and R. S. Muller

Monolithic Thin Film Semiconductor Acoustoelectric Convolver
- Z. S. Wu, S. Onishi, K. S. Chen and W-C. Wang

Surface Cracking on Lithium Niobate SAW Convolvers: Ferroelectric Domain Contributions
- K. L. Weil, M. K. Roy, R. F. Steinberg

Power Spectral Estimation Using SAW Convolver and Chirp Transform
- Dan Shklarsky, P. Das, L. B. Milstein

A Programmable Filter on GaAs
- Richard T. Webster

High Speed Data Buffering Using a NxM SAW Random-Access-Memory
- G. F. Manes, D. Gerli, P. Tortoli and C. Atzeni

SAW and SSBW Propagation in Gallium-Arsenide
- Michel Feldmann, Jeannine Henaff and Marie-Ange Kirov

Observations on Surface Skimming Bulk Waves and Other Waves Launched from an IDT on Lithium Niobate
- P. D. Bloch, N. G. Doe, E. G. S. Paige and M. Yamaguchi

A General Theory for the Interaction of Bulk and Surface Acoustic Waves on Piezoelectric Substrates
- F. Josse, D. L. Lee and J. F. Vetelino

Deep-Bulk-Acoustic-Wave (DBAW) Devices Utilizing Interdigital Transducers
- C. N. Helmick, Jr., D. J. White, and K. M. Lakin

Investigation of Temperature Stable SBAW in Berlinite
- K. F. Lau, R. B. Stokes, K. H. Yen, B. H. T. Chai

Leaky Rayleigh Waves at a Layered Halfspace-Fluid Interface
- D. E. Chimenti, A. H. Nayfeh

Solitons in Surface Acoustic Wave Media
- John Ewen, R. L. Gunshor, V. H. Weston

New Orientation of Lithium Niobate for Low Bulk-Wave Degradation of SAW Filter Stopband
- R. F. Milsom, R. J. Murray, I. Flinn and M. Redwood

Diffraction in SAW Multistrip Beam Compressors
- A. Ronnekleiv, H. Engan, and K. A. Ingebrigtsen

Tunable ZnO-Si SAW Devices Using Magnetostrictive Thin Films
- Birol Altan and William P. Robbins

Piezoelectric and Elastic Properties of Barium Germanium Titanate and Lithium Borosilicate Glass-Ceramics
- A. Halliyal, A. S. Bhalla, R. E. Newnham, and L. E. Cross

Electronically Variable Surface Acoustic Wave Time Delay Using a Biasing Electric Field
- S. G. Joshi and B. B. Dasgupta

Lamb Wave Stiffening in Piezoelectric Ceramic Plates
- Massimo Pappalardo

Second-Order Temperature Coefficients of Singly and Doubly Rotated Cuts of Berlinite
- Paul H. Carr and Jose H. Silva, Bruce H. T. Chai

Dielectric and Piezoelectric Properties of Aluminum Phosphate
- E. D. Kolb, A. M. Glass, R. L. Rosenberg, J. C. Grenier, R. A. Laudise

Lithium Tetraborate - A New Temperature Compensated Piezoelectric Substrate Material for Surface Acoustic Wave Devices
- N. M. Shorrocks: R. W. Whatmore, F. W. Ainger, I. M. Young

An Experimental Study of the SAW Properties of Several Berlinite Samples
- D. S. Bailey, F. Josse, D. L. Lee, J. Andle, W. Soluch, J. F. Vetelino, B. H. T. Chai

Power Flow Angle and Pressure Dependence of SAW Propagation Characteristics in Ouartz
- A. Ballato, T. Lukaszek, D. F. Williams, F. Y. Cho

Crystal Cracking in Elastic Horn Convolvers: A Solution and Its Effects on Convolver Uniformity
- J. Day, D. L. Lee, and J. Callerame

Ferroelectric/Paraelectric SAW Transduction in Strontium Barium Niobate
- E. J. Staples, R. R. Neurgaonkar

Temperature Coefficients of Surface Acoustic Wave Delay on GaAs
- Richard T. Webster

Design and Realization of Temperature Stable Surface Acoustic Wave Delay Lines on Silicon and Gallium Arsenide
- G. Cambon, J. Lassale, J. M. Saurel and J. Attal

Characterization of ZnO/Si SAW Transducers and Resonators Using Complex Return Loss Measurements
- M. E. Motamedi, E. J. Staples and J. Wise

Acoustic, Optical Properties of AlN Films Grown at Low Temperature by Modified Sputter Gun
- S. Onishi, M. Eschwei, S. Bielaczy and W-C. Wang

AlN Material Constants Evaluation and SAW Properties on AlN/Al2O3 and AlN/Si
- K. Tsubouchi, K. Sugai and N. Mikoshiba

Sputtered Aluminum Nitride on Silicon for SAW Device Applications
- L. G. Pearce, R. L. Gunshor, and R. F. Pierret

Dual Differential Interferometer for Measurements of Broadband Surface Acoustic Waves
- Tyson M. Turner and Richard O. Claus

The Twin Magnet EMAT Configuration for Exciting Horizontally Polarized Shear Waves
- J. F. Martin, R. B. Thompson

Reflection of Magnetostatic Forward Volume Waves by Ion Implanted Gratings
- G. Volluet and P. Hartemann

Magnetostatic Delay Lines Using YIG Double Films
- Michael R. Daniel and J. D. Adam

The SC Cut Crystal - An Overview
- John A. Kusters

Resonators With Reduced Frequency Sensitivity to Static and Dynamic Stresses
- M. Nakazawa, T. Lukaszek, and A. Ballato

High Overtone Bulk Resonator Stabilized Microwave Sources
- R. A. Moore, J. T. Haynes, B. R. McAvoy

Relation of the Third-Order Elastic Constants to Other Nonlinear Quantities
- M. A. Breazeale and Jacob Phillip

A New Automatic Method for Measuring Sound Velocity with High Resolution
- M. V. Schickfus, T. Baumann, R. L. Melcher

Relative Slope Invariance of Velocity-Stress and Strain-Stress Curves
- John H. Cantrell, Jr. and Engmin J. Chern

Laser Probe Investigation of Guided Acoustic Interface Waves in Differentially Poled Ceramics
- H. A. Kunkel, B. A. Auld

Transient Testing of Transducer Bonds
- A. H. Banah, A. Korpel and R. F. Vogel

Some Properties of Electroded Piezoelectrics Realized and Illustrated in AT-Cut Quartz
- John H. Sherman, Jr.

Forced Thickness-Extensional Trapped Energy Vibrations of Piezoelectric Plates
- D. V. Shick, H. F. Tiersten, B. K. Sinha

Waves Guided by a Thin Viscoelastic Layer Between Elastic Solids
- Richard O. Claus and Robert T. Rogers

Applicability of Current Theories of Akhieser Damping in Solids
- Manik Nandanpawar, S. Rajagopalan

Ultrasonics in Determining Characteristics of Coal
- W. J. Hadden, Jr., and C. H. Chew

Effective Properties of Perforated Solids, Including Effects of Ultrasonic Resonances
- Guillermo C. Gaunaurd, Herbert M. Uberall

Influence of SiO2-Si Interface States on SAW Transduction in a SiO2-Si Layered Medium Covered with a Piezoelectric Overlay
- A. Venema

Effect of Nickel Film Thickness on the Attenuation of SAW
- Hajime Yoshida, Guo-Tai Lee, Mu Liang Xu, and Moises Levy

High Deposition Rate Sputtered ZnO Fin Films for BAW and SAW Applications
- Ph. Defranould

Post-Deposition Annealing of Zinc Oxide Films
- Fred S. Hickernell

ZnO System Preconditioning for Microwave Bulk Acoustic Delay Lines
- H. L. Salvo, Jr., R. N. Sundelin, B. R. McAvoy, S. Lieberman

Plasma-Enhanced Metalorganic Chemical Vapor Deposition of C-Axis Oriented and Epitaxial Films of ZnO at Low Substrate Temperatures
- T. Shiosaki, M. Shimizu, T. Yamamto, M. Yagi and A. Kawabata

Sputtered AlN Films for Bulk-Acoustic-Wave Devices
- J. S. Wang, K. M. Lakin

Low-Temperature Growth of the Piezoelectric AlN Film and Its Optical and Acoustical Properties
- T. Shiosaki, K. Harada and A. Kawabata

Attenuation of a Static Polarization Echo in SiO2 Powder by 4He Film
- J. D. N. Cheeke and M. Poirier

Magnetic Field Effects on Plate Elastic Wave Propagation in a Metallic-Glass Ribbon
- M. Poirier, L. Germain, J. D. N. Cheeke

The Molecular and Macroscopic Anisotropy of PVF2
- E. Balizer, P. Kornreich, and S. Kowel

A Study of Ultrasonic Injection Technique for Measurement of Physical Parameters in CdS and As2S5
- Y. Tokunaga, T. Hats, S. Morimoto, S. Okano, M. Suzuki

Nonlinear Ultrasonic Wave Propagation in Biological Materials
- F. Dunn, W. K. Law, and L. A. Frizzell

SAW Second Harmonic Fields Nonlinearly Produced by Spatially Limited Beams
- A. Alippi, A. Palma, F. Palma, L. Palmieri, G. Socino, E. Verona

Quantitative Flaw Characterization by Means of the Scanning Laser Acoustic Microscope (SLAM)
- D. E. Yuhas, M. G. Oravecz and L. W. Kessler

Experiments with the Planar Acoustic Microscope Lens
- G. W. Farnell, C. K. Jen

Acoustic Anisotropy Detection of Materials by Acoustic Microscope Using Line-Focus Beam
- J. Kushibiki, A. Ohkubo, N. Chubachi

Acoustic Microscopy: Recent Applications in Semiconducting Devices
- J. Attal, G. Cambon and M. Rouzeyre

An Acoustic Microscope for Surface Characterization
- Bruce W. Maxfield, Rolf D. Weglein

Acoustic Microscopy in the Study of Breast Tissues
- J. L. Lamarque, A. Djoukhadar, M. J. Rodiere, J. Attal and E. Boubals

Phase Mapping in Acoustic Microscopy
- F. S. Vinson and R. C. Eggleton

Tissue Anisotropy Examined Using the Acoustic Microscope
- F. S. Vinson and R. C. Eggleton

Liver-Tissue Characterization by Digital Spectrum and Cepstrum Analysis
- F. Lizzi, E. Feleppa, N. Jaremko

An Examination of Sedimentary Rocks and Constituent Minerals with the Scanning Laser Acoustic Microscope
- Janet Brown and Gordon Pirie

A Computer-Based Model of Space Integrating Acousto-optic Signal Processing
- John P. Powers, Daniel E. Smith, Michael Carmody, and Weldon Regan III

Acoustic Microscopy of Slowness Surfaces
- I. R. Smith, D. A. Sinclair and H. K. Wickramasinghe

A 25 MHz Digital Acquisition System and Applications to Diagnostic Ultrasound
- Richard A. Banjavic, Gary A. Theime, Paul L. Carson, Charles R. Meyer, Joseph J. Krasovec

A Method of Noninvasive Determination of an Inhomogeneous Layer's Structure and Adaptive Image Reconstruction
- Takuso Sato, Makoto Hirama, and Osamu Ikeda

Image Degradations in Ultrasonic CT
- Takashi Itoh, Jong-Soo Choi, Chihiro Kasai and Masato Nakajima

Rational-Gain-Compensation for Attenuation in Ultrasonic Cardiac Imaging
- H. E. Melton, Jr. and D. J. Skorton

Chemical Dosimetry of Ultrasonic Cavitation
- K. S. Suslick, P. F. Schubert, and J. W. Goodale

A Comparison of Finite Aperture Phase Sensitive and Phase Insensitive Detection in the Near Field of Inhonogeneous Material
- L. J. Busse, J. G. Miller

Synthetic Focussing by Means of Wave-Field Extrapolation: A New Imaging Technique for Medical Ultrasound
- J. Ridder, L. F. V. D. Wal, A. J. Berkhout

Sidelobe and Speckle Reduction for an Eight Sector Conical Scanner
- Michael S. Patterson, F. Stuart Foster, and Donna Lee

Lateral Resolution Improvement of Focused Piston Transducers by a Signal Processing Technique
- George W. Keilman, H. Bruce Butts

Computer-Optimized Design of Quarter-Wave Acoustic Matching and Electrical Matching Networks for Acoustic Transducers
- A. R. Selfridge, R. Baer, B. T. Khuri-Yakub, and G. S. Kino

A New Method for Estimating the System-Independent Characteristics of an Ultrasonic Piezoelectric Transducer
- Tadashi Kojima

Simultaneous Multifrequency Ultrasonography the Principle and Technology
- Hirohide Miwa, Hajime Hayashi, Takaki Shimura, Keiichi Murakami

Calibration and Performance Evaluation of Miniature Ultrasonic Hydrophones Using Time Delay Spectrometry
- Peter A. Lewin

Hydrophones for Ultrasonic Dosimetry
- Richard A. Banjavic, Paul L. Carson

A Recursive Scheme for Improvement of the Lateral Resolution in B-Scan Ultrasonography
- Sun I. Kim, Byoung G. Mint, Jang H. Yount, Myoung S. Ko

Non-Ideal Radiators in Phased Array Transducers
- John D. Larson

Properties for a 2D Multiplexed Array for Acoustic Imaging
- J. F. Gelly, C. Maerfeld

The Combination of Emission- And Reception Directivity of Pulsed, Linear Ultrasonographic Arrays
- P. J. 't Hoen

The Design of an Auto-Dynamic-Focusing Annular Array
- R. Y. Liu, W. V. Harrison and M. H. Wilcox

Resolution of Fresnel Phase Plate Transducers
- B. Noorbehesht, M. Mortezaie, G. Wade

Annular Array Transducer for Deep Acoustic Hyperthermia
- J. P. Do-Huu, P. Hartemann

Determination of Threshold Temperature for Cutaneous Thermal Necrosis from Ultrasonic Burn Depth Measurements
- John H. Cantrell, Jr., Ronald E. Goans

Acousto-Optic Spectrum Analysis for Electronic Warfare Applications
- Michael C. Hamilton

Performance of the Integrated Optic Spectrum Analyzer
- Thomas R. Joseph, T. R. Ranqanath, J. Y. Lee, M. Pedinoff

The IO Spectrum Analyzer: An Emerging Technology
- R. L. Davis and F. S. Hickernell

Advances in Bragg Cell Spectrum Analysis
- M. W. Casseday, N. J. Berg, I. J. Abramovitz, A. N. Filipov, C. G. Garvin

Wideband Acousto-Optic Bragg Cells
- I. C. Chang, R. Cadieux, G. Petrie

Wideband Interferometric Acoustooptic Bragg Cell Spectrum Analyzer
- M. L. Shah, J. R. Teague, R. V. Belfatto, D. W. Thomson and E. H. Young

Interferometric Bragg Cell Spectrum Analyzer
- M. L. Shah. E. H. Young, A. Vander Lugt, and M. Hamilton

Surface-Wave Acousto-Optic Cepstrum Processor
- I. J. Abramovitz, N. J. Berg, M. W. Casseday and J. J. Cecconi

High Efficiency Acousto-Optic Diffraction Into the Second Bragg Order
- Ting-Chung Poon and Adrianus Korpel

Nondestructive Evaluation of GaAs by Parameters of Transverse Acoustoelectric Voltage
- K. Varahramyan, P. Das

Surface Acoustic Wave Parametric Oscillation in Si-on-LiNbO3
- Yasuhiko Nakagawa

Conversion of Sezawa to Rayleigh Waves in the ZnO-SiO2-Si Configuration
- M. R. Melloch, R. L. Gunshor, and R. F. Pierret

Experimental Observation of Charge Transfer by Surface Acoustic Wave in a Monolithic Metal/ZnO/Si (MZOS) Device
- F. L. Augustine, R. J. Schwartz and R. L. Gunshor

Recent Developments in the ZnO on Si Storage Correlator
- R. L. Thornton, J. E. Bowers, and J. B. Green

Bias Stable Zinc Oxide-On-Silicon Surface Acoustic Wave Devices
- R. D. Cherne, M. R. Melloch, R. L. Cunshor and R. F. Pierret

Reactions in Polymers Studied with FTIR-Photoacoustic Spectroscopy
- B. S. H. Royce, Y. C. Teng, J. A. Ors

A General Theorem for Simplifying Calculations of Photoacoustic Signals in Gas Filled Cells
- P. K. Kuo, L. J. Inglehart, L. D. Favro, and R. L. Thomas

Photoacoustic and Photoluminescence Measurements of Defects in Semiconductors
- N. Mikoshiba, K. Tsubouchi

Some Applications of Laser-Generated Ultrasound in Metals
- D. A. Hutchins, R. J. Dewhurst, S. B. Palmer and C. B. Scruby

Mechanical Excitation of a Membrane by an Optical Beam.
- E. Dieulesaint, D. Royer and C. Bonnefoy

Photoacoustic Pulse Generation and Lietechon for Ultrasonic Measurements
- A. C. Tam, W. Zapka, K. Chiang, and W. Imaino

Ultrasonic-Wave Generation by Phomacoustic Absorption in a Thin Film Between Two Media
- Grover C. Wetsel, Jr.

Thermal Wave Diffraction Imaging
- J. A. Burt

Radiation-Induced Thermoacoustic Soft Tissue Imaging
- Theodore Bowen

Some Experimental Results on the Thermoacoustic Imaging of Tissue Equivalent Phantom Materials
- T. Bowen, R. L. Nasoni, A. E. Pifer, G. H. Sembroski

Thermal-Wave Microscopy of Semiconductor Devices
- Allan Rosencwaig

Photothermal Spectroscopy on a Microscopic Scale
- C. R. Petts and H. K. Wickramasinghe

Experimental and Theoretical Characterization of Near Surface Cracks in Solids by Photoacoustic Microscopy
- P. K. Kuo, L. J. Inglehart, L. O. Favro, and R. L. Thomas

Observation of a Sono-Acoustic Effect Using Piezoelectric Thermo-Acoustic Detection
- H. I. Ringermacher, J. S. Heyman

Long Wavelength Measurement of Surface Cracks in Silicon Nitride
- J. J. Tien, K. Liang, B. T. Khuri-Yakub, G. S. Kino, D. Marshall, A. Evans

Detection of Acoustic Enission in Composites by Optical Fiber Interferometry
- Janet C. Wade, Paul S. Zerwekh, Richard O. Claus

The Role of Creep Rays in the Scattering from Spheroidal Cavities and Inclusions in Solids
- F. Cohen-Tenoudji, L. Ahlberg, R. R. Tittmann, J. L. Opsal, V. V. Varadan, G. Quentin

Computer Controlled Ultrasonic Motion Measurements
- M. A. Hamed, J. R. Dickerson, W. F. Ranson

Sizing of Surface Cracks in a Plate Using SH Waves
- S. K. Datta, C. M. Fortunko, R. B. King

Analysis Methods for Ultrasonic Inspection of Steam Turbine Discs
- Thomas E. Michaels, Jennifer E. Michaels, Gilbert E. Ronca

Improvement of M E Signal-To-Noise Ratio, Flaw Classification and Reconstruction with Data from Automatic Ultrasonic Inspection -ALOK-
- O. A. Barbian, B. Grohs, W. Kappes, H. Paul, R. Licht

Flaw Visibility Enhancement by Split-Spectrum Processing Techniques
- N. M. Bilgutay, V. L. Newhouse, E. S. Furgason

Counteracting Multipath Effects in Gap Measurement of Nuclear Steam Generator Tubes
- I. Amir, V. L. Newhouse and E. S. Furgason

High-Speed Digital Golay Code Flaw Detection System
- B. B. Lee and E. S. Furgason

Improvements in Flaw Detection in Austenitic Stainless Steel Weldments
- R. K. Elsley, C. M. Fortunko

Refined Determination of the Rigidity Modulus by Echo Sounder Measurement
- Kenneth G. Foote

Application of an Ultrasonic Focusing Radiator for Acoustic Levitation of Submillimeter Samples
- Mark C. Lee

Reconstruction of Acoustic Impedance Profile from Its Reflection Impulse Response
- P. He, P. C. Pedersen, O. J. Tretiak

Interior vs. Exterior Creeping Waves in Acoustic Resonance Scattering
- G. C. Gaunaurd, H. Uberall

Real-Time Digital Imaging
- D. K. Peterson, S. D. Bennett, and G. S. Kino

Reflection Tomography at 50 and 300 MHz
- K. Liang, B. T. Khuri-Yakub, and G. S. Kino

A Comparison of the Inverse Born and Imaging Techniques for Reconstructing Flaw Shapes
- R. B. Thompson, K. M. Lakin, J. H. Rose

Characterization of Heat Treatment in Aluminum Based on Ultrasonic Determination of the Second and Third Order Elastic Constants
- Joseph S. Heyman and Engmin J. Chern

The Ultrasonic Properties of Impregnated Graphite
- J. F. Muratore, H. R. Carleton

Dynamic Monitoring of the Precipitation Hardening Process in 2219 Aluminum Alloy by Means of Sound Velocity and Attenuation Measurements
- M. Rosen, E. Horowitz, S. Frick, R. Mehrabian

Ultrasonic Imaging of Material Mechanical Properties Through Steel Pipe
- M. Nakazawa, T. Lukaszek, and A. Ballato

The Analysis of A-Mode Ultrasound Waveforms with a One Dimensional Texture Algorithm
- V. Gonzalez, J. P. Jones, L. Ferrari, M. Behrens

Determination of Residual Stress by Time-Of-Flight Measurements with Linear-Polarized Shear Waves
- E. Schneider, K. Goebbels, G. Hubschen, and H. J. Salzburger

Determination of Material Stress from the Temperature Dependence of the Acoustic Natural Velocity
- Engmin J. Chern, Joseph S. Heyman, John H. Cantrell, Jr.

Measurement of Three-Dimensional Stress Variation
- S. D. Bennett, D. Husson, and G. S. Kino

Contacting Transducers and Transducer Arrays for NDE
- R. L. Raer, R. Selfridge, B. T. Khuri-Yakub, G. S. Kino, J. Souquet

An Ultrasonic Transducer with Gaussian Radial Velocity Distribution
- P. S. Zerwekh and R. O. Claus

SAW Transducers for NDE Applications Using Interdigital Bulk Wave Transducers
- M. Takeuchi, A. Hiwasa and H. Shimizu

Design of a Linear Array of Ultrasonic Transducers for Nondestructive Evaluation
- J. C. Soumagne, G. R. Dubois, V. M. Ristic

Hardware Equipment for Realtime-Determination of Data Gained from A-Scans by Automatic Ultrasonic Inspection for Flaw-Reconstruction by ALOK
- R. K. Neumann, O. A. Barbian, W. Biehl, W. Schuhmacher, and M. J. Tammer

A New Nonlinear FM Coded EMAT for Nondestructive Testing of Materials
- F. Hauser, G. R. Dubois, H. Licht, V. M. Ristic

Author Index