Screen Printed Temporary Tattoos for Skin-Mounted Electronics

This paper focus on fabrication and analyzation of screen-printed temporary transfer electrical tattoos. Stretchable conductors and insulators are printed on temporary transfer tattoo paper. The printed lines are electrically and electromechanically characterized. Four different test structures were used to evaluate the sheet resistance and the quality of the printing process. The sheet resistance of the samples are 41 ± 6 mΩ/□ . The breaking point for the tensile test was 19 %. Finally, on -skin performance was evaluated by attaching a printed tattoo on a knee and backhand of a test person. The skin-mounted tattoo showed good electrical performance and conformability.