Used to minimize heat leak into the sensor and cryogenic system, cryogenic wire has a much lower thermal conductivity (and higher electrical resistivity) than copper wire.
For high-frequency signals, Lake Shore provides various coaxial cables: ultra-miniature coaxial cables and semi-rigid coaxial with a stainless steel center conductor.
The most common electrical connections are solder joints. Solder can also be used to install various sensors to improve thermal heat sinking.
Epoxies are used to install and fasten sensors, while providing thermal contact and electrical insulation, with the sample.
Thermal greases are used to install and fasten sensors, while providing thermal contact and electrical insulation, with the sample.
The most common varnish for cryogenic installations is VGE-7031 varnish. It has good chemical resistance, bonds to a variety of materials, and has a fast tack time.
Lake Shore also supplies heat sink bobbins, a beryllium oxide heat sink chip, and a four-lead resistance sample holder. Cartridge heaters and vacuum feedthrough products are also available.
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