Last Updated
：2025/11/20
diffusion-barrier
（ plural ）
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A thin layer (usually micrometres thick) of metal usually placed between two other metals. It is done to act as a barrier to protect either one of the metals from corrupting the other.
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diffusion-barrier
The engineer coated the joint with a diffusion-barrier to prevent copper from contaminating the aluminum during soldering.
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The engineer coated the joint with a diffusion-barrier to prevent copper from contaminating the aluminum during soldering.
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