Quality control test calibration block
The quality control test calibration block is a round brass block with four test samples, a Faraday cup, a particle feature, two resolution standards and a magnification grid.
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The quality control test calibration block is a round 32mm dia. x 8mm brass block with four test samples, a 150μm Molybdenum Faraday Cup, a particle feature, two resolution standards and a magnification grid. It allows the calibration of the three major elements in any SEM imaging and analysis system (SEM, BSD, EDX/WDX).
The gold on carbon specimen has a particle size range of 5 - 150nm. A square grid pattern with large crystals in the centre of each grid and fine crystals at the edges allow medium and high resolution point separation tests. The tin on carbon specimen consists of tin spheres sized from 10 - 100nm, ideal for medium resolution tests and astigmatism correction. The silicon magnification grid is used for the SEM magnification calibration. The particle feature is used to calibrate the initial grey scale level of the backscattered electron detector and the duplex brass sample for checking the resolution and performance.
The four individual elements (which can be specified by the customer) along with the carbon and cobalt from the particle feature are used for the setting up and calibration of the EDX system.
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