Precision Vessels for High Purity Crystal Growth
Pyrolytic Boron Nitride (PBN) boats and crucibles are essential tools in the preparation and growth of compound semiconductor materials. With exceptional purity, chemical inertness, and thermal stability, PBN vessels provide the ideal environment for synthesizing and crystallizing materials such as GaAs, GaSb, InAs, InSb, InP AlSb, CdZnTeand other compound monocrystals. Their reliability and cleanliness make them indispensable in advanced semiconductor research and production.
PBN Boats for Compound Synthesis
Before singlecrystal growth begins, compound semiconductor materials must be synthesized with strict purity and stoichiometric control. PBN boats offer a contaminationfree, nonreactive vessel for this critical step. Their smooth surfaces, high thermal stability, and resistance to chemical attack ensure consistent, highquality compound formation—laying the foundation for superior crystal growth.
PBN Crucibles for LEC Crystal Growth
The Liquid Encapsulation Czochralski (LEC) method uses a liquid encapsulant to stabilize volatile melts and enable controlled crystal pulling. PBN LEC crucibles are engineered to withstand extreme temperatures while maintaining chemical purity, making them the preferred choice for growing single crystals such as GaAs, GaSb, InSb, and InAs. Their excellent thermal uniformity and nonwetting behavior help ensure stable melt conditions and highquality crystal output.
PBN Crucibles for VGF Crystal Growth
The Vertical Gradient Freeze (VGF) method is widely used to grow highperformance compound semiconductor crystals including GaAs, InP, and GaP. PBN VGF crucibles provide the thermal stability, structural precision, and chemical inertness required for uniform solidification and defectcontrolled crystal formation. Designed for demanding thermal environments, they support consistent, repeatable results in both research and production settings.
Horizontal Bridgman (HB) or Horizontal Gradient Freeze (HGF)
Often referred to directly as “boats” for horizontal synthesis and crystal growth of compound materials.
Key Product Features
- UltraHigh Purity (99.999%)
- Nonwetting with molten metals, ensuring clean melt behavior
- Controllable thermal conductivity for improved yield and crystal uniformity
- Outstanding thermal shock resistance
- Easy to clean and reusable
- Chemically inert, with no reaction to acids or alkalis
Product Availability
For high quality PBN Boats and PBN Crucibles for LEC and VGF, we have them with the following:
| Products Purity | 99.999% (5N) min |
| Sizes | 2” – 15” Crucibles |
| Drawings Required | Manufactured based on drawings provided |
| Lead Time | 6 -8 weeks |
If you require any high purity PBN Boats and PBN Crucibles for VGF & LEC, please contact our sales team for details at sales@american-gmg.com.