According to the "Daily Science" website, RMIT researchers at Royal Melbourne Institute of Technology have made major breakthroughs in the use of sound waves: they use sound waves to control micro and nano-scale manufacturing activities. Researchers have successfully used high-frequency sound waves to precisely control the thin film fluid coverage process on specially designed chips. Related research results were published in the latest edition of Proceedings of the Royal Society A. Based on thin-film technology chips and microstructure manufacturing processes, researchers have made a big step forward creatively. The possible applications of this research include thin-film coating painting, wound repair, 3D printing, micro-casting and microfluidics. Professor James Friend, head of the RMIT Micronano Research Center, said that researchers have developed a portable system that can be used in non-traditional micron and nanofabrication processes. Fland also mentioned: "The existing technology cannot achieve precise control, and fluids may spread due to structural problems. However, the use of sound waves can be controlled on the surface of the chip. According to the thickness, the thin fluid film may be close to or Keep away from high-frequency sound waves." Researchers call this new technology “acoustowetting,†and the chip used here is made of a material called piezoelectric—a material that converts electrical energy into mechanical pressure.The surface of the chip is covered with microelectrodes, connected to In the power supply, electric energy can be converted into high-frequency sound waves, and then the thin fluid film can be added to control the sound waves.
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