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熱分解窒化ホウ素（PBN）
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熱分解窒化ホウ素（PBN）
Product catalog summary
Overview of Pyrolytic Boron Nitride (PBN):
Pyrolytic Boron Nitride (PBN) is a hexagonal boron nitride produced through a chemical vapor deposition (CVD) process. This process results in a solid form where all boron nitride crystals grow parallel to the deposition surface. Due to the nature of the CVD process, PBN components typically do not exceed a thickness of 3 mm. PBN is known for its high purity, with a typical purity level of 99.99%. The CVD process gives PBN an almost perfect layered structure, providing anisotropic thermal conductivity, making it an ideal material for manufacturing crucibles used in crystal growth.
Pyrolytic Boron Nitride (PBN) is a hexagonal boron nitride produced through a chemical vapor deposition (CVD) process. This process results in a solid form where all boron nitride crystals grow parallel to the deposition surface. Due to the nature of the CVD process, PBN components typically do not exceed a thickness of 3 mm. PBN is known for its high purity, with a typical purity level of 99.99%. The CVD process gives PBN an almost perfect layered structure, providing anisotropic thermal conductivity, making it an ideal material for manufacturing crucibles used in crystal growth.
Features of PBN:
- PBN has a color between ivory and orange-brown, is non-toxic, and easy to process.
- It achieves a purity of 99.99%, with a dense surface and good gas barrier properties.
- Strength increases with temperature, peaking at 2200°C.
- Resistant to acids, alkalis, salts, and organic reagents, and does not react with most molten metals or semiconductor materials.
- Exhibits excellent thermal shock resistance, thermal conductivity, and a low thermal expansion coefficient.
- High resistance, high dielectric strength, low dielectric constant, low loss rate, and excellent microwave and infrared capabilities.
- Possesses anisotropic mechanical, thermal, and electrical properties.
Applications:
- Crystal growth crucibles (VGF, LEC crucibles)
- Molecular beam epitaxy (MBE) crucibles
- PBN infrared windows
- Traveling wave tubes (TWT) support rods
- MOCVD heaters
- PBN-coated graphite
- High-temperature vacuum equipment insulators
Technical Specifications:
- Lattice constants: a: 2.504 x 10-10 μm; c: 6.692 x 10-10 μm
- Density: 2.10-2.15 g/cm3 (PBN crucibles); 2.15-2.19 g/cm3 (PBN plates)
- Microhardness (Knoop, ab side): 691.88 N/mm2
- Resistivity: 3.11 x 1011 Ω·cm
- Tensile strength: 153.86 N/mm2
- Bending strength: 243.63 N/mm2 (⊥C); 197.76 N/mm2 (⊥C)
- Elastic modulus: 235690 N/mm2
- Thermal conductivity: 60 W/m·k (a direction, 200°C); 2.60 W/m·k (c direction, 200°C); 43.7 W/m·k (a direction, 900°C); 2.8 W/m·k (c direction, 900°C)
- Insulation strength (room temperature): 56 KV/mm
Contact Information:
XIAMEN INNOVACERA ADVANCED MATERIALS CO., LTD
Block A, 6/F, No.588 Jiahe Road, Torch High-tech Industrial District, Xiamen, China
Phone: 0086 592 558 9730
Email: [email protected]
Website: www.innovacera.com
XIAMEN INNOVACERA ADVANCED MATERIALS CO., LTD
Block A, 6/F, No.588 Jiahe Road, Torch High-tech Industrial District, Xiamen, China
Phone: 0086 592 558 9730
Email: [email protected]
Website: www.innovacera.com
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Catalog excerpts
熱分解窒化ホウ素 熱分解窒化ホウ素は六方晶窒化ホウ素です。それは化 学蒸着プロセスによって生成され、その固体を形成し、 すべての窒化ホウ素結晶が蒸着表面に平行に成長しま す。 CVDプロセスの性質上、PBN部品は通常、肉厚が3 mm を超えないことが要求されます。PBNも極高純度窒
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INNOVACERA technical ceramic solutions .com
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XIAMEN INNOVACERA ADVANCED MATERIALS CO.,LTD Block A, 6/F, No.588 Jiahe Road, Torch High-tech Industrial District, Xiamen, China
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