Ceramic superconducting lead resistant to breakage

Superconductor technology: apparatus – material – process – High temperature devices – systems – apparatus – com- ponents,... – Significant cryogenic refrigeration system having...

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505701, 505230, 1741251, 428209, 428688, 335300, 335296, B32B 900

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active

055523722

ABSTRACT:
A superconductive lead assembly for a superconductive device (e.g., magnet) cooled by a cryocooler coldhead having first and second stages. A first ceramic superconductive lead has a first end flexibly, dielectrically, and thermally connected to the first stage and a second end flexibly, dielectrically, and thermally connected to the second stage. A jacket of open cell material (e.g., polystyrene foam) is in general surrounding compressive contact with the first ceramic superconductive lead, and a rigid support tube generally surrounds the jacket. This protects the first ceramic superconductive lead against shock and vibration while in the device. The rigid support tube has a first end and a second end, with the second end thermally connectable to the second stage.

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U.S. patent application Ser. No. 08/209,287, filed Mar. 14, 1994, entitled "Superconducting Lead Assembly For A Cryocooler-Cooled Superconducting Magnet", by Kenneth G. Herd et al.

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