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Porous Graphite Guide Ring
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Core Product Advantages
1. Ultra-High Purity & Low Defect Guarantee
Adopts a 3000℃ vacuum high-temperature purification process to deeply remove non-metallic impurities such as oxygen and nitrogen, increasing the product purity to ¡Ý99.9995%. It eliminates impurity-induced crystal defects (e.g., microtubules, dislocations) from the source, ensuring the consistency and stability of the electrical properties of SiC single crystals, and laying a solid foundation for high-quality crystal growth.
2. Ultra-High Temperature Stability & Precise Thermal Field Regulation
Can withstand extreme high temperatures of 2200℃ in an argon or vacuum environment, operating continuously and stably for over 1000 hours without softening or deformation. The product has a low coefficient of thermal expansion, which can effectively avoid material cracking caused by thermal stress. It supports gradient distribution design of porosity (15-30%) and optimizes the pore size (10-200¦Ìm) combined with CFD (Computational Fluid Dynamics) simulation technology, controlling the temperature gradient fluctuation within ¡À3℃ and significantly improving thermal field uniformity and crystal growth consistency.
3. Customized Adaptation & Full-Scenario Satisfaction
Geometric Shape Adaptation: Can accurately process complex shapes such as annular barrels and multi-layer shield structures according to customers' furnace structures to achieve perfect matching and installation.
Surface Process Customization: Provides personalized surface treatment services such as ultra-precision polishing and special coatings, greatly enhancing the product's corrosion resistance and service life.
4. Performance-Verified & Efficiency Upgraded
When used as a core thermal field component in the PVT SiC crystallization process, it has been verified in practical scenarios:
The crystal growth rate is increased by 15%-20% co***red with traditional graphite products, significantly shortening the production cycle.
The yield of 4-inch SiC single crystal wa |
| Company: |
VeTek semiconductor Technology Co., LTD
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| Contact: |
Ms. Andy Year |
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Wangda Road, Ziyang Street, Wuyi County, Jinhua City, Zhejiang Province, China |
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| Tel: |
15300650061 |
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