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PBN Crucibles, Pyrolytic Boron Nitride Crucibles

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Pyrolytic boron nitride (PBN) crucibles are special ceramic crucibles made by chemical vapor deposition and can reach 99.999% purity. We can provide varies of PBN crucible such as OLED, LEC, VGF, MBE and shaped crucibles.

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Data sheet

Purity 99.99%-99.999% (4N-5N)
Production Method CVD

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PBN crucibles are white, non-toxic, non-porous, and easy to process. Purity up to 99.99%, dense surface, good air tightness. Strength increases with temperature, reaching a maximum at 2200°C. Resistant to acids, alkalis, salts and organic reagents, high temperature and most molten metals, semiconductors and other materials do not infiltrate and do not react.

PBN is widely used in metal and semiconductor vapor deposition because of its high density, high purity, chemical inertness and high temperature resistance.

PBN Crucible Type

Crucible Typle Size
PBN OLED Crucibles 14"
PBN LEC Crucibles 14"
PBN MBE Crucibles 14"
PBN VGF Crucibles 14"
PBN Shaped Crucibles Customized

PBN Crucible Parameter

Properties

Units

Values

Density

g/cm3

1.95-2.20

Tensile Strength

MPa

112

Bending Strength

MPa

173

Compression Strength

MPa

154

Young's Modulus

GPa

18

Thermal Conductivity

W/m°C

"a" 60     "c" 2

Specific Heat

J/g·

0.90RT

Resistivity

Ω.cm

2×1015

Dielectric Strength

D.C. volts/mm

2×1015

Dielectric Constant

 

"c" 3.07

Metal Impurity Content

ppm

<10

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