Links
[1] https://snfguide.stanford.edu/snf/project-type/e241
[2] https://snfguide.stanford.edu/guide/equipment/purpose/deposition/physical-vapor-deposition-pvd/sputtering
[3] https://snfguide.stanford.edu/guide/equipment/purpose/etching/dry-etching/inductively-coupled-plasma-etching-icp
[4] https://snfguide.stanford.edu/guide/materials/niobium