纯铟或铟合金可用于形成密封圈，同时还能导热。铟垫圈通常焊接在金金属化的镜片周围。
问题在于，铟暴露在空气中时很容易形成一层薄薄的氧化物，在焊接密封之前应将其去除。
The recommended procedure by the Indium Corporation is to etch the indium preforms using a 5-10% HCl solution for up to 1 minute. I have heard of other methods though such as etching in different acids or plasma cleaning and I'd like to hear feedback from those of you cleaning indium be other procedures.
请告诉我您的想法！
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