Review of flexible and transparent thin-film transistors based on zinc oxide and related materials
Zhang Yong-Hui1, Mei Zeng-Xia1, †, Liang Hui-Li1, Du Xiao-Long1, 2, ‡
       

(color online) Descriptive scheme for R2R/R2S gravure printing procedure. (a) R2R gravure printing system used to print RF sensor tags and smart packaging on a single line,[145] (b) overview of a gravure printing process, and (c) optical micrograph of a printed TFT.[147]