Polished silicon wafers can be most SEM substrates
There are many kinds of polishing, mechanical polishing, chemical polishing, electrolytic polishing, ultrasonic polishing, fluid polishing, magnetic abrasive polishing!Beijing there throwing a new type of practical technology, science and technology can improve the Liz polishing efficiency and so on.
A lot of nanotubes, wires and so on are grown on similar substrates, and then direct SEM observation.
In other words, only nano materials will consider the use of polished silicon wafer sample carrier. Micron submicron level, waste, direct double-sided conductive adhesive tape can be.