Thin Metal Foils with Coatings – Sample Preparation for SEM

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Application Note for Leica EM RES102 – Thin foils are mostly unstable because of their thickness of a few microns. This makes it difficult to do slope cutting without any protection of the sample. A common realisation to protect the sample surface is by sticking a cover glass on top of the sample. Another issue is cutting the foils before ion milling. The sample edge should be flat and sharp without any broken areas. A razor blade is mostly the best solution. A protected sample can salso be sawed with a wire saw.

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