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Dice-and-fill single element octagon transducers for next generation 3D USCT

Zapf, Michael; Pfistner, Patrick; Liberman, Claudio Imbracio; Dongen, Koen van; Jong, Nico de; Leyrer, Benjamin; Gemmeke, Hartmut; Ruiter, Nicole V. ORCID iD icon


At the Karlsruhe Institue of Technology (KIT), a 3D-Ultrasound Computer Tomography (3D-USCT) medical imaging system for early breast cancer detection is currently developed. With the next generation of 3D-USCT 2.5, the current region of interest (ROI) of 10 x 10 x 10 cm³ shall be increased to 20 x 20 x 20 cm³ to allow reliable imaging results also for bigger female breasts. Therefore, the opening angle (OA) of the future transducers should be increased to approx. 60° at 3 dB while other characteristics such as bandwidth (BW) and resonance frequency should be preserved or even improved. Based on the current dice-andfill approach in transducer production, optimization is performed on piezoelectric sensor geometry and size, type and structure of matching and backing layer and interconnection technology of the several parts of the transducer.

Verlagsausgabe §
DOI: 10.5445/IR/1000080096
Veröffentlicht am 05.10.2018
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Hochleistungsimpuls- und Mikrowellentechnik (IHM)
Institut für Prozessdatenverarbeitung und Elektronik (IPE)
Publikationstyp Proceedingsbeitrag
Publikationsjahr 2017
Sprache Englisch
Identifikator ISBN: 978-3-7315-0689-8
KITopen-ID: 1000080096
HGF-Programm 54.02.02 (POF III, LK 01) Ultraschnelle Datenauswertung
Erschienen in Proceedings of the International Workshop on Medical Ultrasound Tomography: 1.- 3. Nov. 2017, Speyer, Germany. Hrsg.: T. Hopp
Veranstaltung 1st International Workshop on Medical Ultrasound Tomography (MUST 2017), Speyer, Deutschland, 01.11.2017 – 03.11.2017
Verlag KIT Scientific Publishing
Seiten 159-177
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