This project started with a phone call several months ago from a Canadian government lab. They had a very specific application so the design was driven much more by their requirements than most zero-background holder designs. A 1mm deep well with a zero-background plate at the bottom was a key specification. We tried several options for creating this, but settled on a two-part design with a solid “floor” plate and a ring above it. As it turns out, cutting a
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Energy resolution 140eV under ideal conditions. All KB peaks eliminated electronically. W LA1 (8.40 KeV) lines eliminated from Cu KA1,2 (8.04 KeV) scans even with thoroughly contaminated tubes. Common fluorescence energies (i.e. Fe when Cu tube anodes are used) are greatly reduced. (Brehmstralung effects are impossible to remove completely) Most PSD detectors offer no better than 650eV. This allows for a great deal of fluorescence energy to pass as well as W LA1 from older Cu tubes. Low angle scatter The detector mounts in place of the