cryogenic device การใช้

He is known as well for being the inventor of the dilution refrigerator, a cryogenic device that uses liquid helium.
Even though they were much less practical because of the logistical problems dealing with the transport, handling, and storage of a cryogenic device, the cold war arms race drove the demand for a viable fusion weapon.
In 1956 Maiman started work with the Atomic Physics Department of the Hughes Aircraft Company ( later Hughes Research Laboratories or HRL Laboratories ) in California where he led the ruby maser redesign project for the U . S . Army Signal Corps, reducing it from a 2.5-ton cryogenic device to 4 pounds while improving its performance.