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Type: 
Journal
Description: 
Capacitive micromachined ultrasonic transducers (CMUTs) bring the fabrication technology of standard integrated circuits into the field of ultrasound medical imaging. This unique property, combined with the inherent advantages of CMUTs in terms of increased bandwidth and suitability for new imaging modalities and high frequency applications, have indicated these devices as new generation arrays for acoustic imaging. The advances in microfabrication have made possible to fabricate, in few years, silicon-based electrostatic transducers competing in performance with the piezoelectric transducers. This paper summarizes the fabrication, design, modeling, and characterization of 1D CMUT linear arrays for medical imaging, established in our laboratories during the past 3 years. Although the viability of our CMUT technology for applications in diagnostic echographic imaging is demonstrated, the whole process …
Publisher: 
Elsevier
Publication date: 
1 Aug 2006
Authors: 

Alessandro Caronti, Giosuè Caliano, Riccardo Carotenuto, Alessandro Savoia, Massimo Pappalardo, Elena Cianci, Vittorio Foglietti

Biblio References: 
Volume: 37 Issue: 8 Pages: 770-777
Origin: 
Microelectronics Journal