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Measurement of mass of single inkjet drops with a quartz crystal microbalance QCM
KTH, School of Information and Communication Technology (ICT), Electronic Systems. KTH, School of Information and Communication Technology (ICT), Centres, VinnExcellence Center for Intelligence in Paper and Packaging, iPACK.
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2012 (English)In: Int. Conf. Digit. Print. Technol., The Society for Imaging Science and Technology, 2012, 312-314 p.Conference paper, Published paper (Refereed)
Abstract [en]

Monitoring inkjet performance requires control of parameters such as drop velocity, direction and drop volume. Present methods to determine drop volume utilize optical vision systems or calculation of an average drop mass from large numbers of drops on a precision balance. An alternative technique based on QCM (Quartz Crystal Microbalance) was assessed to measure the mass of single drops. Low-cost plano-convex 6 MHz AT-cut quartz resonators were used to measure single inkjet drops. Since the footprint of these ink drops is of the order 100 μm the QCM detector was used in a 'localized spot' measurement mode in contrast to the typical large area detection mode. The sensitivity of an inner 0.5 mm circle was determined to be 5.46 x 10-10 g/Hz for solid silver films. Single drops of an oil-based ink of 50 pL nominal volume were jetted using a Xaar126 piezo inkjet printhead onto the QCM target area and produced signals with a SNR better than 70:1. This paper presents the technical challenges relating to liquid droplet volume measurements using higher frequency oscillators.

Place, publisher, year, edition, pages
The Society for Imaging Science and Technology, 2012. 312-314 p.
Series
International Conference on Digital Printing Technologies
Keyword [en]
Area detection, AT-cut quartz resonators, Drop velocity, Higher frequencies, Liquid droplets, Measurement modes, Technical challenges, Vision systems, Computer vision, Crystal resonators, Ink, Quartz crystal microbalances, Drops
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-129678ISI: 000352920200090Scopus ID: 2-s2.0-84875759064ISBN: 9780892083022 (print)OAI: oai:DiVA.org:kth-129678DiVA: diva2:655338
Conference
28th International Conference on Digital Printing Technologies, NIP 2012 and Digital Fabrication 2012; Quebec City, QC; Canada
Note

QC 20131011

Available from: 2013-10-11 Created: 2013-10-03 Last updated: 2015-12-09Bibliographically approved

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf