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General Considerations
General Considerations
Samples (and anything going inside the chamber) should always be handled with gloves.
Know the sample size limits for the SEM.
Samples should be well secured with no loose particles.
Samples should be clean.
Conductivity
Conductivity
Conductivity matters - it draws electrons away from the surface and improves the generated electron signal.
Know the relative conductivity of your samples.
Conductors and semiconductors are easier to image than insulators.
Know the relative conductivity of your substrates.
Si is easier to image than glass.
Cross Section
Cross Section
Clean, flat edges image best.
Cleaved wafers should have good edges.
All other general sample preparation notes still apply.
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