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Acoustic Ink Printing with Solid Ink

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We have adapted the Acoustic Ink Printing (AIP) printhead for operation at 150C, and have demonstrated printing with solid ink for high image quality on plain paper. In AIP, an ultrasonic beam is focused on the free surface of the ink to eject discreet droplets of controlled diameter. The drop size is determined by the lateral dimension of the acoustic beam. Hence, AIP is a “nozzleless” drop ejection process that enables generation of extremely small drops. We have used 2.7 pl drops of a molten wax (i.e. solid ink) to produce images at a quality level exceeding xerography on plain paper. The printing is done at a spatial addressability of 600 spots per inch and the printed spot size can be varied by firing from 0 to 5 drops per pixel to achieve multiple gray levels at high resolution. For solid ink printing, we have modified the 1024-ejector aqueous AIP printhead materials and assembly process to enable 150C operation with a flowing layer of 13 cp molten wax.

Document Type: Research Article

Publication date: January 1, 2001

More about this publication?
  • For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.

    Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.

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