This book presents the design of a printhead in a comprehensive and clear form, right from the beginning. First, the working principle of piezo-driven drop-on-demand printheads in theory is discussed. It builds upon the theory of mechanical vibrations and acoustics. Then the design of a single-nozzle as well as multi-nozzle printheads is presented, including the importance of various parameters that need to be optimized, such as viscosity, surface tension and nozzle shape. Also topics such as refilling the nozzle and the impact of the droplet on the surface are included in the book. The book concludes with a unique set of worked out questions and examples as well as a future outlook. Hence, this book provides an integral overview from printhead design via liquid dispensing to the functional materials on the surface both an a practical and theoretical level.
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