Single Nozzle Piezo Inkjet Printhead

The goal of this project is to catalog the design and optimization of a piezoelectric printhead, and to detail the decisions therein.

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One can quickly and cheaply fabricate a single nozzle piezoelectric print head capable of producing drops of fluid on-demand at a fairly high rate by using off-the-shelf components sourced largely from major online retailers. While it is not as sophisticated or capable as those produced by scientific instrument manufacturers, it is competitive when considering the ensemble of characteristics - namely price.

So far, a functional prototype has been fabricated using easily sourced parts. The design is nothing particularly new, but it sufficiently serves as a test bed for other major components of the overall system such as excitation waveform design, nozzle fabrication/testing, and a target for a droplet imaging system.

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