Ceramic superconducting lead resistant to moisture and breakage
First Claim
1. A superconductive lead assembly for a superconductive device cooled by a cryocooler coldhead having a first stage and a second stage, said superconductive lead assembly comprising:
- a) a first ceramic superconductive lead having a first end flexibly, dielectrically, and thermally connectable to said first stage and a second end flexibly, dielectrically, and thermally connectable to said second stage; and
b) a first glass-reinforced-epoxy lead overwrap in general surrounding contact with and attached to said first ceramic superconductive lead, wherein said first glass-reinforced-epoxy lead overwrap has a coefficient of thermal expansion generally equal to that of said first ceramic superconductive lead.
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Accused Products
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 first glass-reinforced-epoxy lead overwrap is in general surrounding contact with and attached to the first superconductive lead. The first lead overwrap has a coefficient of thermal expansion generally equal to that of the first superconductive lead. The lead overwrap protects the lead from moisture damage and from breakage during handling. For added protection against shock and vibration while in the device, the lead assembly is surrounded by a (e.g., polystyrene foam) jacket surrounded by a helically-wound metallic wire surrounded by a glass-reinforced-epoxy jacket overwrap surrounded by a rigid support tube.
58 Citations
10 Claims
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1. A superconductive lead assembly for a superconductive device cooled by a cryocooler coldhead having a first stage and a second stage, said superconductive lead assembly comprising:
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a) a first ceramic superconductive lead having a first end flexibly, dielectrically, and thermally connectable to said first stage and a second end flexibly, dielectrically, and thermally connectable to said second stage; and b) a first glass-reinforced-epoxy lead overwrap in general surrounding contact with and attached to said first ceramic superconductive lead, wherein said first glass-reinforced-epoxy lead overwrap has a coefficient of thermal expansion generally equal to that of said first ceramic superconductive lead. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification