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Split Pulse Timings and Their Effect on Bubble Momentum and the Superheated Boundary Layer of a Thermal Ink Jet Device

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This paper quantitatively examines the underlying thermodynamics behind split fire pulse timings. It is shown that there is a direct relationship between the properties of the superheated boundary layer at the onset of bubble nucleation and the experimental data. An application specific - finite element program is shown to predict the jetting response curves with a 0.92 correlation coefficient. The theoretical analysis is robust enough to accurately predict the jetting response for varying pulse trains on two vastly different print head designs. Finally, it is shown that the maxima of the jetting response curves versus time are fundamentally related to the thermal diffusivity of the thin films.
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Document Type: Research Article

Publication date: 2000-01-01

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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