| 摘要 |
<p>The purpose of the present invention is to provide a cooling trap that uses a Stirling refrigerator. This refrigerator (14) for cooling a cooling panel (18) of a cooling trap (1) has a support member (44) attached between: an extending member (41) press-fitted to a cooling block (25) fixed to a cooling stage (23), and an upper casing (24) connected to a housing (22). A cylinder (21) is kept from bending while heat is prevented from getting into the cooling stage (23) by the extending member (41) and the support member (44).</p> |
