Related Experiment Video
Updated: Nov 25, 2025

10:22
High Speed Droplet-based Delivery System for Passive Pumping in Microfluidic Devices
Published on: September 2, 2009
14.1K
SAW-driven droplet jetting technology in microfluidic: A review
1School of Mechanical Engineering and Automation, Harbin Institute of Technology, Shenzhen, Guangdong 518055, China.
Biomicrofluidics
|December 21, 2020
Summary
Surface acoustic wave (SAW) microfluidic jetting offers a simple, contact-free method for precise droplet generation. This technology overcomes limitations in micro-injection, enabling advanced applications in microfluidics.
Area of Science:
- Microfluidics
- Acoustic Technology
- Nanotechnology
Background:
- Surface acoustic wave (SAW) technology provides powerful control over fluids and particles at the micro-nano scale.
- SAW applications include mixing, pumping, atomization, and particle manipulation.
- SAW-driven droplet jetting offers advantages like simple fabrication, compact size, and contact-free manipulation.
Purpose of the Study:
- To review and reorganize the field of SAW-microfluidic jetting technology.
- To explore the interaction mechanism between SAW and fluids.
- To discuss experimental methods, parameter effects, and applications of SAW-driven droplet jetting.
Main Methods:
- Review of existing literature on SAW-microfluidic jetting.
- Analysis of the theoretical interaction mechanism between SAW and fluid.
- Examination of experimental methodologies and parameter influences on droplet pinch-off.
Main Results:
- SAW technology enables versatile microfluidic applications, including droplet jetting.
- SAW-driven droplet jetting presents a viable alternative to conventional micro-injection technologies.
- The technology demonstrates advantages in simplicity, size, biocompatibility, and actuation force.
Conclusions:
- SAW-microfluidic jetting is a promising technology with significant potential.
- Further research can address current limitations and expand applications.
- The review provides a comprehensive overview and future outlook for the field.

