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

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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 design in a MEMS micro-injector is also demonstrated to achieve MEMS printing head production yield over 99%.

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Journal: TechConnect Briefs
Volume: 4, Technical Proceedings of the 2007 NSTI Nanotechnology Conference and Trade Show, Volume 4
Published: May 20, 2007
Pages: 133 - 136
Industry sector: Advanced Materials & Manufacturing
Topic: Materials Characterization & Imaging
ISBN: 1-4200-6376-6