Inkjet Printing

Background of ink jet printing technology
Ink jet printing technology has been commonly used for commercial applications for decades . However , Ink jet printing technology just started attracting attentions for industrial applications due to very high accuracy pico liter drop volume and drop placement precision for functional materials such as light blocking ink, conductive ink and UV adhesive for advanced manufacturing like OLED, sensors, Black matrix, semiconductor mini/micro led and PCB.
Ink jet printing technology is able to control the drop size down to **** , which can not be achieved by piezo jetting technology because piezo jetting technology is mainly designed to jet adhesive materials with dot size larger than 200 microns. Therefore Ink jet printing technology becomes the best alternative technology to satisfy the applications requiring dot size smaller than 200 micron.
However ink jet printing technology has different challenges including choosing the right printhead , avoiding ink clogging at nozzles and dissolved air in the ink as well as proper curing. For mass production, Ink jet printing has more challenges than just the printer head issues. Ink jet printing technology is an additive manufacturing technology for product manufacturers who like to improve the flexibility of their printing process by going digital. To achieve the digital printing purpose for mass production, the ink jet printing equipment has to be able to control drops to precisely land on the substrate under high speed, which needs integrating motion control and vision technology to solve the substrate warpage, dimension and position variations.
GENERAL CUSTOMER NEEDS FOR DIGITAL PRINTING IN ELECTRONICS INDUSTRY
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Inkjet Printing