NDLI: Electrode-shaping for the excitation and detection of permitted arbitrary modes in arbitrary geometries in piezoelectric resonators

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IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control - Front cover

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Low-frequency meandering piezoelectric vibration energy harvester

Self-amplified magnetoelectric properties in a dumbbell-shaped magnetostrictive/piezoelectric composite

Ferroelectrically active acoustic wave propagation

Performance analysis and receiver architectures of DCF77 radio-controlled clocks

Real-time ultrasound simulation using the GPU

Quantitative ultrasonic characterization of diffuse scatterers in the presence of structures that produce coherent echoes

Optimal sound speed estimation using modified nonlinear anisotropic diffusion to improve spatial resolution in ultrasound imaging

A reliability study of light refractive tomography utilized for noninvasive measurement of ultrasound pressure fields

Broadband generation of ultrasonic guided waves using piezoceramics and sub-band decomposition

Effect of roughness on imaging and sizing rough crack-like defects using ultrasonic arrays

Guided wave expansion in warped curvelet frames

Extracting the electromechanical coupling constant of piezoelectric thin film by the high-tone bulk acoustic resonator technique

Biological sensor based on a lateral electric field-excited resonator

Quantitative assessment on the orientation and distribution of carbon fibers in a conductive polymer composite using high-frequency ultrasound

A u-shaped linear ultrasonic motor using longitudinal vibration transducers with double feet

Theoretical modeling and equivalent electric circuit of a bimorph piezoelectric micromachined ultrasonic transducer

Investigations on AlN/sapphire piezoelectric bilayer structure for high-temperature SAW applications

Thickness-shear vibration of an AT-cut quartz resonator with a hyperbolic contour

Crystalline quality of the trigonal piezoelectric materials and effects of the extended defects

Numerical modeling of piezoelectric transducers using physical parameters

Design and performance testing of an ultrasonic linear motor with dual piezoelectric actuators

Electrode-shaping for the excitation and detection of permitted arbitrary modes in arbitrary geometries in piezoelectric resonators

Orthogonal quadratic chirp signals for simultaneous multi-zone focusing in medical ultrasound imaging

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Electrode-shaping for the excitation and detection of permitted arbitrary modes in arbitrary geometries in piezoelectric resonators

Content Provider	IEEE Xplore Digital Library
Author	Pulskamp, J.S. Bedair, S.S. Polcawich, R.G. Smith, G.L. Martin, J. Power, B. Bhave, S.A.
Copyright Year	1986
Abstract	This paper reports theoretical analysis and experimental results on a numerical electrode shaping design technique that permits the excitation of arbitrary modes in arbitrary geometries for piezoelectric resonators, for those modes permitted to exist by the nonzero piezoelectric coefficients and electrode configuration. The technique directly determines optimal electrode shapes by assessing the local suitability of excitation and detection electrode placement on two-port resonators without the need for iterative numerical techniques. The technique is demonstrated in 61 different electrode designs in lead zirconate titanate (PZT) thin film on silicon RF micro electro-mechanical system (MEMS) plate, beam, ring, and disc resonators for out-of-plane flexural and various contour modes up to 200 MHz. The average squared effective electromechanical coupling factor for the designs was 0.54%, approximately equivalent to the theoretical maximum value of 0.53% for a fully electroded length-extensional mode beam resonator comprised of the same composite. The average improvement in S₂₁ for the electrode-shaped designs was 14.6 dB with a maximum improvement of 44.3 dB. Through this piezoelectric electrodeshaping technique, 95% of the designs showed a reduction in insertion loss.
File Size	4119204
File Format	PDF
ISSN	08853010
Volume Number	59
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-05-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Stress Force Electrodes Shape Resonant frequency Strain Couplings
Content Type	Text
Resource Type	Article
Subject	Acoustics and Ultrasonics Instrumentation Electrical and Electronic Engineering

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