Superconductor Technologies Inc.

Arturo Soto

Wallace Y Kunimoto

Elna Saito

Angela May Ho

Gregory Ronald Harrah

An improved dewar design that accelerates the manufacturing process of a dewar. In a preferred embodiment, the dewar includes an evacuation port that may be larger in size by a factor of ten over the size of evacuation ports of conventional dewars. The oversized evacuation port, however, does not result in an increase in the overall size or profile of the dewar. The dewar is evacuated and hermetically sealed using an re-usable evacuation tool.

Method of manufacturing dewars

A regenerator material for use inside a displacer of a Stirling cycle cryocooler includes a plurality of circular disks formed from a synthetic felt that is preferably polyester. The plurality of disks have an outer diameter that is greater than the inner diameter of the displacer. The plurality of circular disks form a stack within the displacer. The regenerator material minimizes operational variation between different cryocoolers. In addition, the regenerator material can be easily filled into the cryocooler displacer.

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Oxnard, CA, United States of America

Arturo Soto