Abstract
There are many available techniques for patterning materials at low temperature, including microcontact printing, dip pen lithography, inkjet printing and others. As with conventional printing methods, each has particular advantages and disadvantages and each will find its place in a technology of organic electronics.
This paper reviews the factors that will guide the application of inkjet printing to making device structures. In particular, the process does lend itself to forming multilayer structures, either by sequentially printing many layers of a single material in order to make a thick line, or by printing sequences of different materials that react on the substrate to form insoluble solids. One concern with inkjet printing is the limitation of the resolution to that of the nozzle diameter, typically 25–50 µm. Various strategies have been discussed for improving on this. We have found that printed particles often center in the deposited drops and therefore may be the basis for high resolution printing with a low resolution printer.
© 2003 Optical Society of America
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