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溶け込み深さ
カテゴリ 技術用語
出典:Wikipedia
出典:『Wikipedia』 (2011/06/20 17:31 UTC 版)
Penetration Depth is a measure of how deep light or any electromagnetic radiation can penetrate into a material. It is defined as the depth at which the intensity of the radiation inside the material falls to 1/e (about 37%) of its original value at (or more properly, just beneath) the surface.
penetration depth