Robust, Reliable and Repairable Inkjet Print Head with Dynamic Drop Modulation Feedback for Printable Display Applications

Chen, Ty; Huang, Chieh-Yi; Liu, T. A.; Chen, F.Z.; Lee, Jeng-Han; Shang, Kuanping; Lee, Eric; Cheng, Kuo-Hsing

doi:10.2352/issn.2169-4451.2007.23.1.art00078_1

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“…Some print-heads are equipped with a heater for use with thermal phase-change materials with relatively high viscosities at room temperature [26]. Note that the viscosity of most inks can be reduced by increasing the ink temperature [20]. Moreover, a nozzle (print-head) heater can be useful in stabilizing the ink properties in the presence of changing ambient conditions.…”

Section: Inkjet Printing Technology For Printed Electronics 21 Develo...mentioning

confidence: 99%

“…Most graphics printing algorithms are intended to produce scattered dots for better human eye perception. However, in most printed electronics applications, exact dimensions and precise droplet placement on the target location are critical requirements [20]. In order to meet these requirements, computer aided design (CAD) tools are commonly used to design patterns.…”

Section: Introductionmentioning

confidence: 99%

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Review of digital printing technologies for electronic materials

Kwon

Rahman

Phung

et al. 2020

Flex. Print. Electron.

117

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Direct printing methods have been used as manufacturing tools for printed electronics applications due to their cost effectiveness. In this review, the piezo-driven inkjet is discussed in detail since it is a mature technology and suitable for the production printing of printed electronics. In addition, other printing methods are considered for using higher viscosity ink and for producing smaller printed feature size. Various direct printing methods are compared in terms of jet mechanism, printing algorithm, and their applications. In particular high resolution printing methods using high viscosity inks, such as electrohydrodynamic jet, aerosol jet and micro-plotter are reviewed. To understand the recent status of industrial printing applications, display (liquid crystal display and organic light emitting diode) materials and printing issues are discussed. Finally, a brief overview of nano-particle metal based conductive inks is included because these inks have been widely used for printed electronics applications.

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Section: Inkjet Printing Technology For Printed Electronics 21 Develo...mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%