Cryogenic dewar and method of fabrication

Details Cryogenic dewar and method of fabrication Cryogenic dewar and method of fabrication

1992-07-30

1994-09-13

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156171, 156173, 156175, 156245, 220414, B31C 300

Patent

active

053465709

ABSTRACT:
A dewar includes an inner dewar and a dewar thermal shield. The dewar thermal shield has a thermal shield body formed of a layer of radiative insulation, an inner layer of fiberglass cloth overlying the layer of radiative insulation, a metallic screen overlying the inner layer, and an outer layer of fiberglass cloth overlying the metallic screen. The dewar thermal shield also has a thermal shield tail cap attached to the thermal shield body. The tail cap is formed of a layer of radiative insulation, a layer of fiberglass cloth overlying the layer of radiative insulation, a layer of thermal foil overlying the layer of fiberglass cloth, the thermal foil being formed of thermal conductors embedded in a film adhesive matrix with the thermal conductors extending to the body, and a top layer of fiberglass cloth overlying the layer of thermal foil.

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