The Columbia Nano Initiative (CNI) operates a cutting-edge nanofabrication clean room lab spanning 5,000 square feet, equipped with 40 advanced fabrication and metrology instruments. Our facility serves over 200 active users from Columbia University and beyond, including researchers from other universities and private companies.The cleanroom director, SSA3, designs, performs, and supports research experiments in the cleanroom lab, focusing on device fabrication and fabrication process optimization. This involves conducting scientific literature surveys and utilizing advanced techniques and data analysis. Fabrication sectors include: photolithography, deposition, dry and wet etch, diffusion, and backend processes.The cleanroom director provides guidance to students, lab use