Open Day Theme Open Day 2023 ; SAND to SoC Step 1 Sand to Ingot Step 2 Ingot to Wafer Step 3 Ion Implantation Step 4 Oxide Deposition Step 5 Photolithography Step 6 Etching Step 7 Metal Deposition Step 8 Metal Layers Step 9 Wafer Dicing Step 10 Silicon Die Packaging