| Autor: |
Feysel Yalcin Yamaner, Remzi Erkan Kemal, Paul A. Dayton, Omer Oralkan, Oluwafemi J. Adelegan |
| Rok vydání: |
2018 |
| Předmět: |
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| Zdroj: |
2018 IEEE International Ultrasonics Symposium (IUS). |
| DOI: |
10.1109/ultsym.2018.8579874 |
| Popis: |
For superharmonic imaging applications involving the use of microbubble contrast agents, transducers that can transmit energy at low frequencies (less than 5 MHz) to excite the microbubbles, and at the same time detect scattered echoes at higher harmonics (greater than 20 MHz) are essential. We explored the advantages of a thin silicon plate with an added central mass combined with a reduced bottom electrode area to further improve the bandwidth of 1D capacitive micromachined ultrasonic transducer arrays. FEM simulation results show that the fabricated devices can transmit at low frequency ( |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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