PBN1343 Pyrolytic Boron Nitride Sheet (PBN Sheet)

Catalog No. PBN1343
Size Thikness: 0.5mm~4mm
Material Pyrolytic Boron Nitride (PBN)
Purity 99.99%
Shape sheet

Trusted Supplier of Pyrolytic Boron Nitride

Stanford Advanced Materials provide a wide range of CVD materials, such as pyrolytic graphite, pyrolytic boron nitride, and silicon carbide coated graphite. PBN sheets are in stock to make smaller sheets or machined products.

Description of Pyrolytic Boron Nitride Sheet

Compared with normal boron nitride ceramic, pyrolytic boron nitride (PBN) has raw materials with a much higher purity level. PBN sheets, discs, and other pyrolytic boron nitride products are synthesized on the mold by chemical vapor deposition (CVD) process, with BCl3 and NH3.

Pyrolytic boron nitride sheet advanced ceramics exhibits high resistance to electric but good thermal conductivity. It is a high purity material with no porosity which could be deposit on all kinds of graphite shapes by chemical vapor deposition (CVD). Although pyrolytic boron nitride could be deposited on various materials, it is usually used on graphite only, since the temperature of this CVD process is extremely high and the atmosphere is corrosive. PBN coated graphite materials significantly enhanced the performance of the surface. Better purity, lower porosity, and roughness. PBN material could also stand high temperatures (2500`C). As the coated products have great performance in high vacuum and high-temperature circumstances, they are ideal for applications in the semiconductor industry.

pyrolytic-boron-nitride-sheet

 

Properties of Pyrolytic Boron Nitride Sheet

PBN properties

Item

value

Unit

lattice constant

a:2.504×10-10 ;
c:6.692×10-10

μm

density

2.0-2.19

g/cm3

resistivity

3.11×1011

Ω·cm

tensile strength (ab)

153.86

N/mm2

bend strength

c

243.63

N/mm2

ab

197.76

N/mm2

elastic modulus

235690

N/mm2

thermo conductivity

(200°С)

"a" direction:60;
"c" direction:2.60

W/m·k

(900°С)

"a" direction:43.70;
"c" direction:2.80

W/m·k

dielectric strength (at room temperature)

56

KV/mm

 

Packaging of Pyrolytic Boron Nitride Sheet

Our pyrolytic boron nitride sheets are clearly tagged and labeled externally to ensure efficient identification and quality control. Great care is taken to avoid any damage which might be caused during storage or transportation.

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