Lanthanum Hexaboride Single Crystal Cathodes
$895
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Barium Oxide Coated Disc Cathodes
$275.00
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Yttria Coated Iridium Disc Cathodes
$330.00
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Tantalum Disc Cathodes
$125
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Lanthanum Hexaboride Cathodes for Electron Microscopes
$895.00
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Lanthanum Hexaboride Cathode with Guard Ring
$2335
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