Lanthanum hexaboride (LaB6, also called lanthanum boride and LaB) is an inorganic chemical, a boride of lanthanum. Lanthanum boride is employed in hot cathodes, which enact and includes electron microscopes, microwave tubes, electron lithography, electron beam welding, X-ray tubes, and free electron lasers.
L 1675 (OTTO) Lanthanum boride, 99.5% Cas 12008-21-8 - used in teleran, electronic industry, instrument, medical equipment, metallurgy and enviromental protection.