Journal: Micromachines

Article Title: Recent Development and Perspectives of Optimization Design Methods for Piezoelectric Ultrasonic Transducers

doi: 10.3390/mi12070779

Figure Lengend Snippet: Optimization design methods for a piezoelectric ultrasonic transducer.

Article Snippet: In order to meet the requirement of a high-quality sensor, Lin et al. [ ] proposed a 5 MHz piezocomposite ultrasonic transducer based on the finite element analysis software PZFlex (Weidlinger Associates, Cupertino, USA), as shown in D, and found that the piezocomposite ultrasonic transducer had a wider bandwidth (40.6 %) and a higher peak voltage (18 mv) than the PUT fabricated by PZT.

Techniques:

Journal: Micromachines

Article Title: Recent Development and Perspectives of Optimization Design Methods for Piezoelectric Ultrasonic Transducers

doi: 10.3390/mi12070779

Figure Lengend Snippet: ( A ) 3D fractal structure for a piezoelectric ultrasonic transducer (reproduced from ); ( B ) simulation diagram of a racing array transducer applied to ultrasonic stimulation and the CAS pattern in ultrasonic field (reproduced from ); ( C ) schematic diagram of a piezoelectric tube (reproduced from ); ( D ) high-frequency piezoelectric ultrasonic transducer structure diagram and performance test diagram (reproduced from ); ( E ) porcine corneal and rabbit carotid artery phase velocity fitted lines, high-frequency ultrasonic microelastic imaging system (reproduced from ).

Article Snippet: In order to meet the requirement of a high-quality sensor, Lin et al. [ ] proposed a 5 MHz piezocomposite ultrasonic transducer based on the finite element analysis software PZFlex (Weidlinger Associates, Cupertino, USA), as shown in D, and found that the piezocomposite ultrasonic transducer had a wider bandwidth (40.6 %) and a higher peak voltage (18 mv) than the PUT fabricated by PZT.

Techniques: Imaging

Journal: Micromachines

Article Title: Recent Development and Perspectives of Optimization Design Methods for Piezoelectric Ultrasonic Transducers

doi: 10.3390/mi12070779

Figure Lengend Snippet: ( A ) Electrical impedance amplitude and phase variation with frequency, pulse-echo waveform, and spectrum of needle piezoelectric ultrasonic transducer (reproduced from ); ( B ) ultrasonic power transfer experimental setup diagram and KLM equivalent circuit diagram (reproduced from ); ( C ) needle-type piezoelectric ultrasonic transducer, 4 um tungsten wire imaging schematic, and acoustic tweezers manipulating particles to form USC patterns (reproduced from ); ( D ) schematic diagram of a dual-frequency confocal transducer (reproduced from ); ( E ) 1-3 piezoelectric composite ultrasound transducer structure, emission voltage response, and simulated impedance (reproduced from ); ( F ) BDF-PT ultrasonic transducer (reproduced from ).

Article Snippet: In order to meet the requirement of a high-quality sensor, Lin et al. [ ] proposed a 5 MHz piezocomposite ultrasonic transducer based on the finite element analysis software PZFlex (Weidlinger Associates, Cupertino, USA), as shown in D, and found that the piezocomposite ultrasonic transducer had a wider bandwidth (40.6 %) and a higher peak voltage (18 mv) than the PUT fabricated by PZT.

Techniques: Imaging

Journal: Micromachines

Article Title: Recent Development and Perspectives of Optimization Design Methods for Piezoelectric Ultrasonic Transducers

doi: 10.3390/mi12070779

Figure Lengend Snippet: ( A ) Mason’s equivalent circuit for an ultrasonic wireless power transmission system (reproduced from ); ( B ) 1D equivalent circuit for ultrasonic transducer array (reproduced from ); ( C ) simulation diagram of a circular ultrasonic transducer (reproduced from ); ( D ) Mason model equivalent circuit for a 2-2 piezocomposite ultrasonic transducer (reproduced from ).

Article Snippet: In order to meet the requirement of a high-quality sensor, Lin et al. [ ] proposed a 5 MHz piezocomposite ultrasonic transducer based on the finite element analysis software PZFlex (Weidlinger Associates, Cupertino, USA), as shown in D, and found that the piezocomposite ultrasonic transducer had a wider bandwidth (40.6 %) and a higher peak voltage (18 mv) than the PUT fabricated by PZT.

Techniques: Transmission Assay

Journal: Micromachines

Article Title: Recent Development and Perspectives of Optimization Design Methods for Piezoelectric Ultrasonic Transducers

doi: 10.3390/mi12070779

Figure Lengend Snippet: ( A ) Radiation pattern diagrams of graded ultrasonic transducer, impedance, and pulse echo diagrams of conventional and graded ultrasonic transducers (reproduced from ); ( B ) ANSYS (Ansys Inc., Canonsburg, PA, USA) simulation results of impedance and vibration displacement (reproduced from ); ( C ) simulated pulse-echo waveform, spectrum, and schematic diagram of a focused high-frequency piezoelectric ultrasonic transducer (reproduced from ); ( D ) physical diagrams of different types of piezoelectric ultrasonic transducers and simulated radiation patterns (reproduced from ); ( E ) simulated acoustic field, the impulse echo response of a conventional ultrasonic transducer, and a double piezoelectric layer ultrasonic transducer with PMNT + PZT (reproduced from ); ( F ) impulse response of a piezoelectric ultrasonic transducer obtained by the KLM model (reproduced from ).

Article Snippet: In order to meet the requirement of a high-quality sensor, Lin et al. [ ] proposed a 5 MHz piezocomposite ultrasonic transducer based on the finite element analysis software PZFlex (Weidlinger Associates, Cupertino, USA), as shown in D, and found that the piezocomposite ultrasonic transducer had a wider bandwidth (40.6 %) and a higher peak voltage (18 mv) than the PUT fabricated by PZT.

Techniques:

Journal: Micromachines

Article Title: Recent Development and Perspectives of Optimization Design Methods for Piezoelectric Ultrasonic Transducers

doi: 10.3390/mi12070779

Figure Lengend Snippet: ( A ) Piezoelectric beam system, simulated single crystal sheet beam, and its bending profile (reproduced from ); ( B ) phased array ultrasonic transducer and the imaging results (reproduced from ); ( C ) schematic of a manipulated microbubble device (reproduced from ); ( D ) photograph and performance of piezoelectric ultrasonic transducer with liquid lens (reproduced from ).

Article Snippet: In order to meet the requirement of a high-quality sensor, Lin et al. [ ] proposed a 5 MHz piezocomposite ultrasonic transducer based on the finite element analysis software PZFlex (Weidlinger Associates, Cupertino, USA), as shown in D, and found that the piezocomposite ultrasonic transducer had a wider bandwidth (40.6 %) and a higher peak voltage (18 mv) than the PUT fabricated by PZT.

Techniques: Imaging

Journal: Micromachines

Article Title: Recent Development and Perspectives of Optimization Design Methods for Piezoelectric Ultrasonic Transducers

doi: 10.3390/mi12070779

Figure Lengend Snippet: ( A ) Evolutionary algorithm-based optimization design method for a piezoelectric ultrasonic transducer (reproduced from ); ( B ) mathematical model for a concave annular high intensity focused ultrasonic transducer and its finite element model (reproduced from ); ( C ) optimization design for a piezoelectric ultrasonic transducer using the particle swarm optimization algorithm (reproduced from ); ( D ) functionally graded piezoelectric ultrasonic transducer optimized by using the topological optimization algorithm (reproduced from ).

Article Snippet: In order to meet the requirement of a high-quality sensor, Lin et al. [ ] proposed a 5 MHz piezocomposite ultrasonic transducer based on the finite element analysis software PZFlex (Weidlinger Associates, Cupertino, USA), as shown in D, and found that the piezocomposite ultrasonic transducer had a wider bandwidth (40.6 %) and a higher peak voltage (18 mv) than the PUT fabricated by PZT.

Techniques:

Journal: Micromachines

Article Title: Recent Development and Perspectives of Optimization Design Methods for Piezoelectric Ultrasonic Transducers

doi: 10.3390/mi12070779

Figure Lengend Snippet: ( A ) Optimization design method for a high-performance transmitting piezoelectric ultrasonic transducer (reproduced from ); ( B ) designed and fabricated 1-3 piezocomposite ultrasonic transducer for ultrasonic imaging (reproduced from ); ( C ) optimization design method for a piezoelectric ultrasonic transducer with multi-match layers and testing results (reproduced from ).

Article Snippet: In order to meet the requirement of a high-quality sensor, Lin et al. [ ] proposed a 5 MHz piezocomposite ultrasonic transducer based on the finite element analysis software PZFlex (Weidlinger Associates, Cupertino, USA), as shown in D, and found that the piezocomposite ultrasonic transducer had a wider bandwidth (40.6 %) and a higher peak voltage (18 mv) than the PUT fabricated by PZT.

Techniques: Imaging

Journal: Micromachines

Article Title: Recent Development and Perspectives of Optimization Design Methods for Piezoelectric Ultrasonic Transducers

doi: 10.3390/mi12070779

Figure Lengend Snippet: ( A ) Acoustic liquid lens and ultrasonic imaging results of porcine eye (reproduced from ); ( B ) Effect of matching layers on the performance of a piezoelectric ultrasonic transducer, and the intelligent optimization design of piezoelectric ultrasonic transducer with two matching layers (reproduced from ).

Article Snippet: In order to meet the requirement of a high-quality sensor, Lin et al. [ ] proposed a 5 MHz piezocomposite ultrasonic transducer based on the finite element analysis software PZFlex (Weidlinger Associates, Cupertino, USA), as shown in D, and found that the piezocomposite ultrasonic transducer had a wider bandwidth (40.6 %) and a higher peak voltage (18 mv) than the PUT fabricated by PZT.

Techniques: Imaging