What are the differences between scanning electron and transmission electron microscopes?
Differences between SEM and TEM: TEM / SEM Electron beam passes through thin sample. / Electron beam scans over surface of sample. Specially prepared thin samples or particulate material are supported on TEM grids. / Sample can be any thickness and is mounted on an aluminum stub. Specimen stage halfway down column./ Specimen stage in the chamber at the bottom of the column. Image shown on fluorescent screen./ Image shown on TV monitor. Image is a two dimensional projection of the sample. / Image is of the surface of the sample.