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Pyrolytic Boron Nitride (PBN) LEC Crucible

PBN1276

New product

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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Data sheet

Purity 99.99%-99.999% (4N-5N)
Size Per your request or drawing
Production Method CVD

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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 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.

Pyrolytic Boron Nitride (PBN) LEC Crucible Feature

  • High Purity (99.999%)
  • No wetting with melted metal
  • Thermal conductivity is controllable, improves the rate of yield
  • Excellent thermal shock resistance
  • Easy cleaning and Reusability
  • Inert, no reaction with acid and alkali  

Pyrolytic Boron Nitride (PBN) LEC Crucible Specification

Catalog No

Application

Inside Diameter

Height

Thickness

BL-3

LEC

3"

3"

0.03"

BL-4

LEC

4"

4"

0.035"

BL-5

LEC

5"

5"

0.035"

BL-6

LEC

6"

6"

0.04"

BL-7

LEC

7"

7"

0.04"

BL-8

LEC

8"

8"

0.04"

BL-14

LEC

14"

14"

0.08"

Pyrolytic Boron Nitride (PBN) LEC 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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