SPI Supplies Brand Platinum/Iridium on Carbon Astigmatism Checker Grid on 3.05 mm Copper Grid

SPI Supplies Brand Platinum/Iridium on Carbon Astigmatism Checker Grid on 3.05 mm Copper Grid
SPI Supplies Brand Platinum/Iridium on Carbon Astigmatism Checker Grid on 3.05 mm Copper Grid
$59.30
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Item02868-AB

Platinum and iridium are evaporated simultaneously onto a carbon film, producing an ideal sample for astigmatism correction. The sample is slightly perforated, supported by a 3.05 mm 200 mesh copper grid.