Electronics and Semiconductor Manufacturing and Testing
Cryogenic gases are used extensively throughout the semiconductor manufacturing and testing processes. Liquid Nitrogen (LN2) is widely used to remove heat from the manufacturing process. Nitrogen gas, often stored as a liquid at cryogenic temperatures, is also employed to purge unwanted gases and to create inert environments in critical process areas.
Environmental chambers, used to test parts and equipment at extremely low temperatures, are another common application of liquid nitrogen. From small bench top units to very large chambers, LN2 is used to achieve and maintain the desired temperature.
Heat may be removed from a manufacturing or test process using re-circulating chillers. These chillers may use liquid nitrogen or other cold fluids to achieve the desired result.