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Spontaneous Capillarity-Driven Droplet Deployment

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Precision deployment of liquid drops is the hallmark of the inkjet printing industry. There are a variety of different driver technologies, with the two most common being either piezo or bubblejet. In this work we present a novel passive driving method that exploits only the fluid properties and conduit geometry. An enormous range of droplet volumes produced is demonstrated. The method is already being used as a tool to enhance the capability of other experiments to study drop dynamics including droplet impacts, adhesions, and rebounds and the method may also be exploited for specific purposes in the design and testing of capillary fluidics applications such as ink jet printing. It may also be directly applicable to sensor systems such as in the precise delivery of microscopic amounts of fluids in Lab-On-Chip applications and for liquid management aboard spacecraft.
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Document Type: Research Article

Publication date: 2013-01-01

More about this publication?
  • For more than 30 years, IS&T's series of digital printing conferences have been the leading forum for discussion of advances and new directions in 2D and 3D printing technologies. A comprehensive, industry-wide conference that brings together industry and academia, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems?particularly those involved with additive manufacturing and fabrication?including bio-printing, printed electronics, page-wide, drop-on-demand, desktop and continuous ink jet, toner-based systems, and production digital printing, as well as the engineering capability, optimization, and science involved in these fields. In 2016, the conference changed its name formally to Printing for Fabrication to better reflect the content of the meeting and the evolving technology of printing.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.

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