Its predominant application involves temperature regulation: ASML's extreme ultraviolet patterning equipment, exclusively capable of producing sub-7nm components, produces intense operational heat. Helium's thermal transfer characteristics and non-reactive nature render it the sole appropriate coolant for these mechanisms without contamination hazards. Beyond EUV applications, helium-based cooling during silicon wafer ion implantation can influence doping accuracy, even with minimal temperature fluctuations.
Brandon Westover, Brigham and Women's Hospital
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