[PS-11-7] Highly Sensitive pH-EGFET Sensors with Oxygen-Plasma-Treated Reduced Graphene Oxide Films Sprayed on the Reverse Pyramid Substrate ○Y. R. Li1, S. H. Chang1, W. L. Tsai1, C. T. Chang1, H. C. Cheng1 (1.National Chiao Tung Univ.(Taiwan))