| 摘要 |
<p>A cryostat comprises a tank thermally coupled to a sample holder, for boiling of a liquid to a gas for cooling of the sample holder. A liquid conduit is connected to the tank for providing the liquid to the tank. A gas outlet conduit is connected to the tank for removal of the gas from the tank. A jacket substantially encloses the sample holder. The gas outlet conduit comprises a heat exchanger for cooling of the jacket using the gas. The heat exchanger extends around the liquid conduit, at the position the liquid conduit passes through an aperture in the jacket.</p> |
