ArticleSensors (Basel, Switzerland)2019
Design, Fabrication, and Evaluation of Multifocal Point Transducer for High-Frequency Ultrasound Applications.
Article in Sensors (Basel, Switzerland), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
5 citing papers in PubMed.
- Wafer-Based Evaluation of the Effects of Center Frequency and F-Number on Lateral Resolution in Scanning Acoustic Microscopy.Sensors (Basel, Switzerland) · 2026Article
- A Novel Approach Combining Ultrasound-Induced Drug-Free Vasodilation and Photoacoustic Monitoring of Vascular Responses.Annals of biomedical engineering · 2026Article
- Design and Micro-Fabrication of Focused High-Frequency Needle Transducers for Medical Imaging.Sensors (Basel, Switzerland) · 2022Article
- Simple sacrificial-layer-free microfabrication processes for air-cavity Fresnel acoustic lenses (ACFALs) with improved focusing performance.Microsystems & nanoengineering · 2022Article
- Improved Depth-of-Field Photoacoustic Microscopy with a Multifocal Point Transducer for Biomedical Imaging.Sensors (Basel, Switzerland) · 2020Article
Corrections and comments
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Authors and funding
10 authors.
Funding
Abstract
The present study illustrates the design, fabrication, and evaluation of a novel multifocal point (MFP) transducer based on polyvinylidene fluoride (PVDF) film for high-frequency ultrasound application. The fabricated MFP surface was press-focused using a computer numerical control (CNC) machining tool-customized multi-spherical pattern object. The multi-spherical pattern has five spherical surfaces with equal area and connected continuously to have the same energy level at focal points. Center points of these spheres are distributed in a linear pattern with 1 mm distance between each two points. The radius of these spheres increases steadily from 10 mm to 13.86 mm. The designed MFP transducer had a center frequency of 50 MHz and a -6 dB bandwidth of 68%. The wire phantom test was conducted to study and demonstrate the advantages of this novel design. The obtained results for MFP transducer revealed a significant increase (4.3 mm) of total focal zone in the near-field and far-field area compared with 0.48 mm obtained using the conventional single focal point transducer. Hence, the proposed method is promising to fabricate MFP transducers for deeper imaging depth applications.
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Registered trials
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