| 摘要 |
PROBLEM TO BE SOLVED: To provide an FRP cryostat in which vacuum leak never occur from the bonding portion of a metal member and a through hole, in both non-steady state and steady state.SOLUTION: An FRP cryostat 1 includes a through hole 9 formed in the wall surface of an FRP container 5, and a through component attachment portion 15 for attaching a 7-pin connector terminal 27, as a through component over the inside and outside of the FRP container 5 via the through hole 9. The through component attachment portion 15 has an annular wall member 21 having a rising part 21b, and a metal member 23 having an annular groove 23a into which the tip portion of the rising part 21b can be fitted. The metal member 23 is bonded to the annular wall member 21 via an adhesive layer, by fitting the annular groove 23a into the tip portion of the rising part 21b. |
