均一微滴制备技术研究进展

Research progress of uniform droplets formation technology

均一微滴的应用十分广泛,生成方法越来越高效可控。阐述了射流扰动均一微滴制备技术和按需可控均一微滴制备技术的原理。基于脉冲力形成的原理不同,均一微滴制备技术分为压电式、电磁致动式、磁流体式、气压脉冲式和激光流体共振式,总结了5种模式的原理和技术现状。梳理了均一微滴制备技术在电子封装领域、喷墨彩印技术领域、微型件3D打印领域和生物制药等领域的应用现状,并展望了均一微滴制备技术的发展趋势。

The application of uniform droplets is extensive,and the generation methods are increasingly efficient and controllable.This paper describes the principles of continue ink jet(CIJ)and drop-on-demand(DOD).Based on different pulse force formation principles,the technology for producing uniform droplets can be categorized into piezoelectric mode,electromagnetic vibration mode,magnetic fluid mode,gas pulse actuation mode and laser fluid resonance mode.The principles and technical status of these five modes are analyzed and summarized.Furthermore,this paper summarizes the application status of uniform droplet production technology in electronic packaging,inkjet printing technology,micro 3D printing,and biopharmaceuticals.And it provides a prospect for the development trend of uniform droplet production technology.