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Dynamics of Droplet Forming in Ink Jet Printer

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The process of ink droplet formation in ink jet printing was observed by a micro image monitoring system synchronized with a printer head driver. Two types of jet ink, dye solution type and pigment suspension type were investigated.

The jet forming process is associated with viscoelastic properties of jet ink. Therefore, rheological properties of jet inks have been discussed. The printed dot pattern was observed using a specially designed dynamic simulation system. The effect of scanning velocity of printer head on dot pattern was investigated in connection with satellite formation. In order to evaluate the print quality on a paper, we used three parameters; 1. fractal dimension for dot outline, 2. optical density, 3. ratio of dot and droplet diameter.

The useful information for printability of ink jet printing was obtained.

Document Type: Research Article

Publication date: January 1, 1998

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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