What is a cryogenic pump? | How does a Cryopump work?

What are cryopumps used for? What is a cryogenic pump? What is the difference between Turbopump and cryopump? Where can cryo pumps be used? How does a Cryopump work? Basics and applications of cryopumps Understanding the Working Mechanism of a Cryopump Basics of Cryopumping Cryogenic pumps: types and uses in industry cryopump Experimental Techniques in Physics Methods of Experimental Physics MSc-II(Physics) PHCT-233 PHYS-6134 Handbook of Vacuum Science and Technology by D. M. Hoffman, J. H. Thomas, B. Singh Elsevier Modern Vacuum Physics by Austin Chambers, CHAPMAN & HALL\CRC press company Methods of Experimental Physics-Vacuum Physics and Technology by G. L. Weissler, R. W. Carlson. Academic Press Sensor Technology-Handbook by J. Wilson Elsevier Vacuum Technology-Practice for Scientific Instruments by N. Yoshimura Springer Vacuum and Pressure Systems-Handbook by Gast Manufacturing Inc. High Vacuum Techniques by J. Yarwood, Chapman Hall A Handbook of Modern Sensors-Physics, Design and Applications, by Jacob Fraden, Springer Scientific Foundations of Vacuum Technology. Saul Dushman Circus of physics Imran Abid