Despite their advantages, cryopumps do have limitations:
Cooling Requirements: They require continuous cooling, which can be energy-intensive and costly. Periodic Regeneration: Over time, the cryopump surfaces become saturated with condensed gases and need to be regenerated, which involves warming up and releasing the trapped gases. Limited Pumping Speed for Light Gases: They are less effective at pumping light gases such as helium and hydrogen compared to other vacuum pumps.
