Fabrication of wafer-scale SSA (IMAGE) Science China Press Caption Fig. 1. (a) Schematics of the SSA fabrication process. (b) SEM images of the SSA during the ICP etching process. (c–e) SEM images of the subulate RRAM devices with different c-radii. (f) 3D profile of uniform SSA from a typical region of the substrate. Credit ©Science China Press Usage Restrictions Use with credit. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.