Molybdenum and tungsten crucibles from Plansee are the perfect vessels for melting and solidifying the single crystal. The formed crucibles have particularly thin walls combined with excellent creep resistance. The outstanding purity of the crucibles prevents any contamination of the single crystal. Even the most aggressive sapphire melts cannot do any harm.
Plansee produces large numbers of formed molybdenum and tungsten crucibles and supplies them in all commonly used dimensions. They are successfully used by all the major manufacturers and numerous end customers worldwide.