Scanning electron microscopes cost a ton. For home use the only suitable type is the tabletop SEM, 20-150k, while a really high-grade field emission gun will run north of 1M
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You can probably find some decent stuff on eBay, one of the companies I worked for in the past had a tabletop one that you might find reasonably priced on eBay... when I was a student (back in the day now) I had access to a $1M+ FEG.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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