Inkjet Printing Method (IMAGE)
Caption
Researchers developed a two-step inkjet printing technique that can make optical components known as waveguides (a). A series of droplets called pinning caps are first printed (white). Liquid bridges between the pinning caps are then formed by ink deposited in the second print. The pinning caps immobilize the ink and prevent the formation of bulges in the printed line. In addition to making straight lines between two dots, the technique can be used to connect three or more junctions to make corners or sharp edges (b).
Credit
Fabian Lütolf, CSEM
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