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http://dx.doi.org/10.3795/KSME-A.2010.34.10.1521

High-Speed Inkjet Monitoring Module for Jetting Failure Inspection  

Shin, Dong-Youn (Nano-Mechanical Systems Research Division, Korea Institute of Machinery and Materials)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.34, no.10, 2010 , pp. 1521-1527 More about this Journal
Abstract
Since inkjet printing is being employed in production lines of electronics and display industries, the tack time for inspection of jetting failure has become very important because the throughput of the inkjet printing system can be extended to the maximum limit by adopting a shorter jetting inspection time. The most popular method for inspecting jetting failure involves the use of a linear stage, a high magnification lens, and a charge coupled devicecamera. However, this conventional approach requires approximately 60 s to complete the jetting inspection and might not be suitable for a high-speed reciprocating jetting inspection in endurance tests due to the unwanted mechanical vibration. In this study, a novel concept of an inkjet monitoring module is introduced, which has an overall inspection time of 18 s. For the shorter tack time of jetting inspection, the parameters affecting the tack time are discussed in this paper.
Keywords
Inkjet; Jetting Failure; Inspection;
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