I am developing a -99°C LN2 system that will eliminate the need to pour LN2 into pots, and give the ability to use LN2 in virtually any angle configuration (not just benching). Imagine a system that uses a delivery mechanism with a cold block like the single stage/cascade phase change systems. But it uses an LN2 Dewar rather than a closed loop plant. Of course the LN2 is expendable, but controlled, and not simply boiling away full throttle as is seen in the LN2/Dice pots. Everyone should have the chance to go below 0! I'll have the prototype built in about 2 weeks!
