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Pyrolytic Boron Nitride (PBN) Ring for OLED and MBE Effusion Cell

PBN Filament Ring Pyrolytic Boron Nitride (PBN)

Pyrolytic Boron Nitride (PBN) is a kind of advanced ceramic, that can be produced with 99.99% purity in high density. It is made by ammonia and Boron halide through Chemical Vapor deposition(CVD) process in high temperature and high vacuum conditions: NH3 + BX3 = BN + 3HX, it can be produced as PBN plates, and also can be produced as PBN final products directly like a crucible, boat, coating, etc.

The heating element is constructed from alloy filament supported by a PBN ring which provides excellent temperature uniformity within the crucible, high heating efficiency even at the crucible lip. Crucibles are easily replaced.

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