Piezoelectric Inkjet Print Head Technology for Precision Dispensing Application
Abstract:Flat Panel Display (FPD) technologies have been sweeping through the market which includes TVs, desktop monitors, notebook PCs, digital cameras, portable DVD, and so forth. Among them, TFT-LCD is dominating and approaching large size (above 40 inches). Its core components include a PI layer and color filter which can be digitally fabricated by the piezoelectric inkjet print head technology.
Piezoelectric inkjet print heads have dominated in drop-on-demand (DOD) industrial and commercial market for last two decades, because they offer high jetting frequency, long life expectancy, and the ability to jet a wide range of fluids. Emerging FPD market opportunities will require precise fluidic dispensing with tight dimensional and positional accuracy. This paper focuses on some recent developments and some unique features such as high reliability, accurate orifice manufacture, replaceable orifice - chamber plates, inert print head bodies, individual orifice jetting performance calibration, and a highly flexible design to adapt to a wide range of drop volumes and jetting fluids. Trident's two print heads (PixelJet and 256Jet) have currently been developed to meet these applications.
Document Type: Research Article
Publication date: January 1, 2006
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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