|Electron micrographs of the platinum-gold back scattered electron reference specimen.
S.E. image at low magnification. The platinum wires
are visible due to the topographical variations across the specimen
B.S.E. image at low magnification. The platinum wires are visible due to the atomic number difference between the platinum and gold.
BSE Atomic Reference Specimen
When equipped with a back-scattered electron detector, an
electron microscope has the capability to produce images in which
the contrast is controlled by differences in atomic number across
Three reference specimens are now available that are suitable
for testing the atomic number contrast performance. Each of the
reference specimens consists of two high purity elements that
have an atomic number difference of 1. They are in the form of
a wire of the low Z element embedded in a matrix of the high
The specimens are available as a single mount either 3mm or 5mm diameter or can be incorporated into a block of standards.
||Order / Quote
|BSE Atomic Reference, Nickel (Z-28) - Copper (Z-29)
||BSE Atomic Reference, Palladium (Z-46) - Silver (Z-47)
||BSE Atomic Reference, Platinum (Z-78) - Gold (Z-79)