| 摘要 |
PROBLEM TO BE SOLVED: To attach an exhaust pipe to a detector container in order to constitute an infrared detector wherein an infrared detection element is arranged in a vacuum container. SOLUTION: A cap 62 and a ceramic package 58 are arranged in a vacuum chamber 130 in a separated state and the vacuum chamber 130 is evacuated while the cap 62 and the ceramic package 58 are heated by heaters 132 and 134. When a solder material for joining the cap 62 and the ceramic package 58 is melted by heating, an up and down drive device 138 is operated to raise an arm 136, and the cap 62 and the ceramic package 58 supported by the arm are brought to a close contact state under pressure. In this state, the cap 62 and the ceramic package 58 are cooled to solidify the solder material and the vacuum chamber 130 is returned to atmospheric pressure.
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