silicon nitride substrate

The Ultra High Purity Boron Nitride Crucibles/Setters (99.7% Pure Boron Nitride) have wide usage. 1. Main Technical Datasheet: 1) Density: 1.5-1.6g/cm3; 2) Purity >99.7%; 3) Oxygen content <0.15%. 2. Performance characteristics: 1) Hi…