Importance

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Abstract

A double walled vessel having a styrofoam filling between the double walls internally supports a semiconductor circuit to which is attached at least one flat ribbon cable. The semiconductor circuit is immersed in liquid nitrogen with at least one flat ribbon cable extending to the top lip of the vessel. Carbon conductors are connected to each conductor of the flat ribbon cable and extend to the outer wall of the vessel. Another flat ribbon cable is connected to the carbon conductors and to an electrical connector. A double walled top having a styrofoam filling is secured to the vessel such that the carbon conductors are sealed between the styrofoam filling of the top and the double walled vessel thereby preventing the formation of frost on the flat ribbon cable and connector that is external to the sealed vessel. Various tubings are inserted through the double walled vessel to permit the insertion of liquid nitrogen and the drawing off of gaseous nitrogen.

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First Claim