3Kwon K S, Kim W. A Waveform Design Method for High-speed Inkjet Printing Based on Self-sensing Measure- ment[J]. Sensors & Actuators A Physical,2007,140(1):75-83.
4Shin P, Sung J, Lee M H, et al. Control of Droplet Forma- tion for Low Viscosity Fluid by Double Waveforms Applied to a Piezoelectric lnkjet Nozzle[J]. Microelectronics Reliability,2011,51 (4):797-804.
5Singh M, Haverinen H M, Dhagat P, et al. Inkjet Printing- process and its Applications[J]. Advanced Materials,2010,22 (6):673-685.