Advancing Humankind by Doing Good Physics
Lanthanum Hexaboride Single Crystal Cathodes
$0.000000
Barium Oxide Coated Disc Cathodes
Yttria Coated Iridium Disc Cathodes
$359
Tantalum Disc Cathodes
$136
Lanthanum Hexaboride Cathodes for Electron Microscopes
$972
Lanthanum Hexaboride Cathode with Guard Ring
$2534