Multicolor contact image sensor offers variable resolution
The sensor has been specially designed for the requirements of the printing industry. The VARICIS sensor is claimed to be the first Contact Image Sensor (CIS) with adaptable resolution (1200, 600 and 300 dpi). Its slim design and very compact construction makes it easy to integrate into printing machines without installation effort. Another benefit of the VARICIS is the constant view during the entire scanning width via its 1:1 optic. A small distance (approximately 10mm) to the printing object in inspection ensures a distortion-free and significantly sharper picture in comparison with conventional line scan cameras. Prior to each printing job the CIS system checks if the nozzles are in the right position and if they are operative using a calibration process. If nozzles are missing or adjusted incorrectly, the user will be informed immediately and will be able to correct the mistake. The multicolor VARICIS guarantees for color stability throughout the whole printing process via its integrated liquid cooling, thereby eliminating color deviation.
The sensor has a line rate of up to 250 kHz and a scanning speed of up to 20m/s, it is optimally suited for very fast running printing processes with available scanning widths ranging from 260 to 2080 millimeters.
Visit Tichawa Vision GmbH at www.tichawa.de
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