Links[1] https://snfguide.stanford.edu/snf/project-type/e241 [2] https://snfguide.stanford.edu/guide/equipment/purpose/etching/dry-etching [3] https://snfguide.stanford.edu/guide/materials/aluminum-indium-phosphide [4] https://snfguide.stanford.edu/guide/materials/indium-gallium-phosphide