The PBN manufacturing process utilizes the high-temperature chemical vapor deposition (CVD) technology. This PBN product can be considered a crystalline form of boron nitride, which originates at the moment of deposition of BN-vapors onto the graphite support body.
The PBN crucibles have all advantages of sintered BN—non-toxicity, high purity, low density, chemically inert protection, outstanding dielectric strength, good thermal conductivity, excellent thermal shock resistance, oxidation resistance, and TOTAL NON-POROSITY.
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Crucibles made of PG are suitable for PG grids needed to control electron and ion beams.