Self-Aligned Interdigitated Transducers for Acoustofluidics
AbstractThe surface acoustic wave (SAW) is effective for the manipulation of fluids and particles at microscale. The current approach of integrating interdigitated transducers (IDTs) for SAW generation into microfluidic channels involves complex and laborious microfabrication steps. These steps often require full access to clean room facilities and hours to align the transducers to the precise location. This work presents an affordable and innovative method for fabricating SAW-based microfluidic devices without the need for clean room facilities and alignment. The IDTs and microfluidic channels are fabricated using the same process and thus are precisely self-aligned in accordance with the device design. With the use of the developed fabrication approach, a few types of different SAW-based microfluidic devices have been fabricated and demonstrated for particle separation and active droplet generation. View Full-Text
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Ma, Z.; Teo, A.J.T.; Tan, S.H.; Ai, Y.; Nguyen, N.-T. Self-Aligned Interdigitated Transducers for Acoustofluidics. Micromachines 2016, 7, 216.
Ma Z, Teo AJT, Tan SH, Ai Y, Nguyen N-T. Self-Aligned Interdigitated Transducers for Acoustofluidics. Micromachines. 2016; 7(12):216.Chicago/Turabian Style
Ma, Zhichao; Teo, Adrian J.T.; Tan, Say H.; Ai, Ye; Nguyen, Nam-Trung. 2016. "Self-Aligned Interdigitated Transducers for Acoustofluidics." Micromachines 7, no. 12: 216.
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