SPI Supplies

SPI Standard for HVEM (High Voltage Electron Microscopy)

Ideal test specimen because of its high contrast


Low contrast makes regular resolution test specimens difficult to use because the features are difficult, sometimes impossible, to see. A thick layer of evaporated gold makes this HVEM standard much easier to view. The gold (grids are coated with a layer of evaporated gold) forms crystallites which are then result in greater contrast when checking performance at a variety of different levels of accelerating voltage. Supplied on a standard 3.05mm 200 mesh grid.

SPI #EachIn Stock
02858-AB$48.90 Add to cartYes


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Saturday November 29, 2014
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