Abstract
A vacuum trap LVTE-1 is described, which contains guard elements in the form of a lightproof set of rings cooled by a two-stage thermoelectric battery and an antimigrator in the form of bellows connecting these elements with the outer case of the trap. The thermobattery is mounted in a separate pressurized compartment ensuring the possibility of its replacement without violating vacuum in the working volume. The effectiveness of the trap is elevating due to the screens protecting the cooled elements from external radiation and due to cooling of the screen and middle parts of the bellows of the antimigrator and the thermobattery compartment by its warmer stage.
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