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Volume: 17 | Article ID: art00103_2
Designing and Optimizing New Microchannel Architectures to Approach High Frequency Inkjet
  DOI :  10.2352/ISSN.2169-4451.2001.17.1.art00103_2  Published OnlineJanuary 2001

This work develops several new designs of micro-channel architectures (arches) and promotes successfully the jetting frequency from commercial 6 kHz to 12 kHz in a large drop weight of 70 ng. These printheads with different arches of ink micro-channel were fabricated to be investigated by the tests and analyses including dot size, circularity, drop appearance, and frequency response of mass-jetted. These arches mainly comprise two stages of channels and provide with various specific features. The results show most of these designs are able to successfully jet weighty drops of 65∼75 ng and keep low change of drop weight while frequency increases over 10 kHz. The characteristics of different features are also evaluated for jetting performance. These new micro-channel designs indicate a new way to approach much higher speed for inkjet printing.

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Chien-Hung Liu, Je-Ping Hu, Shu-Chuan Cheng, Chun-Jung Chen, "Designing and Optimizing New Microchannel Architectures to Approach High Frequency Inkjetin Proc. IS&T Int'l Conf. on Digital Printing Technologies (NIP17),  2001,  pp 890 - 894,

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