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Printed electronics

 

Recent developments have enabled the fabrication of electronic devices using additive printing techniques rather than subtractive photolithography. As a manufacturing method, printing brings many benefits including processing over large areas at high speed or over curved surfaces. Using an additive method which places the material only where it is required greatly reduces the number of steps needed compared with a subtractive method where the material is deposited everywhere and then etched back into the required pattern. Printing also readily allows digital methods to be used (such as ink-jet), so that new layouts can be created directly from the design, enabling rapid prototyping and facile customization. Furthermore, printing should also enable manufacturing sites to be set up at a fraction of the cost of conventional semiconductor fabrication lines, allowing smaller, more diverse organizations to be involved in the manufacture of electronic components.

 
citation

Whiting, G. Printed electronics. The A to Z of Materials web site. 2011 July.