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A project log for Hitachi S-450 Scanning Electron Microscope

Getting an old (1980s) SEM running and adding digital capture

jerry-biehlerJerry Biehler 01/03/2015 at 05:290 Comments

I analyzed a piece of goldish metal for a friend that came out of a machine that was used for washing silicon wafers. It is 81% gold, 11% rubidium, 3% Iron, and the rest copper. I was not expecting to find these features in the flake, this is at 490x, about 5um across the "big" feature.