Inkjet Printed Active Element on Paper Based on Conductive and Thermochromic Materials
VTT has developed and fabricated a game demonstrator that consists of six ink layers all inkjet printed. The layers were made from conductive, dielectric, thermochromic and regular inks printed on a paper substrate. The concept of the game was that a question and three alternatives for the correct answer were presented. When pressing any of the alternative answers, electrical contact between two ink layers triggered a colour-change reaction exposing whether the chosen answer was correct or incorrect. The reaction occurred in a couple of seconds.
Although a working demonstrator was realized challenges still remain for the fabrication of an inexpensive, preferably inkjet printed, power source.
Document Type: Research Article
Publication date: 01 January 2007
For more than 30 years, IS&T's series of digital printing conferences have been the leading forum for discussion of advances and new directions in 2D and 3D printing technologies. A comprehensive, industry-wide conference that brings together industry and academia, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems?particularly those involved with additive manufacturing and fabrication?including bio-printing, printed electronics, page-wide, drop-on-demand, desktop and continuous ink jet, toner-based systems, and production digital printing, as well as the engineering capability, optimization, and science involved in these fields. In 2016, the conference changed its name formally to Printing for Fabrication to better reflect the content of the meeting and the evolving technology of printing.
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