[G-8-3] Ring Oscillator Circuit based on ZnO Thin Film Transistors W. C. Shin1, K. Remashan1, M. S. Oh1, S. J. Park1, J. H. Jang1 (1.Gwangju Inst. of Sci. and Tech., Korea) https://doi.org/10.7567/SSDM.2008.G-8-3