print head – TechConnect Briefs

Array-Nozzle EHD Print Head and its Drop-on-Demand Experimentation

Son S., Lee S., Lee W.H., Kim Y.J., An K., Choi J., Sin J., Lee S., Lee W.H., Wijesundara M., Stephanou H.E., Sungkyunkwan University, KR

EHD (electrohydrodynamics) printing has recently attracted attention for micro/nano size pattern devices due to it can make very small droplet than nozzle diameter and possibility of the use of various ink such as including metal, [...]

Analysis of an Ink Ejection Failure on a MEMS Micro-Injector Printing Head

Lee I.Y., Hsu T-P, Tseng F-C, Tang H-K, Lin G-D, BenQ Corporation, TW

In this paper, a stress model is proposed and this model well explains the stress induced failure mechanism of this MEMS micro-injector. An effective solution and optimize design to enhance the robustness of ink chamber [...]