PBN crucibles are currently the most...
PBN crucibles are currently the most ideal containers for compound semiconductor single crystal growth. The main methods of compound semiconductor single crystal growth are liquid seal direct pulling (LEC), horizontal Brillman method (HB) and vertical Brillman method (VB and VGF), and the corresponding PBNs are LEC crucible, VB crucible and VGF crucible, etc.
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Liquid Encapsulation Czochralsk (LEC) is a method of using the liquid covering agent to seal the melt and control the volatilization to realize crystal growth. LEC Crucible is applied as a vessel of crystal growth in LEC. Heeger Materials supplies Pyrolytic Boron Nitride (PBN) LEC Crucible at high-quality and competitive prices.
Pyrolytic Boron Nitride (PBN) is a kind of advanced ceramic, that can be produced with 99.999% purity in high density. It is made by ammonia and Boron halide through a 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.
"a" 60 "c" 2
Metal Impurity Content
Pyrolytic Boron Nitride (PBN) LEC Crucible is carefully packaged in cartons boxes with foam protection to minimize damage during storage and transportation and to preserve the quality of our products in their original condition.