A SIMPLE NITROGEN SUBLIMATION CRYOSTAT FOR THE TEMPERATURE RANGE 77-45 K
A simple nitrogen sublimation cryostat for 77-45 K was designed, built and successfully tested. A main part of the apparatus is 6-liter commercial dewar vessel SDS - 6 produced by NPO Geliymash. The temperature 45 K is achieved within 5 hours of 5 l/s forvacuum pumping.