Products Description
CeramicsTimes company's Ceramic Basket is a key load-bearing tool in the manufacturing process of photovoltaic cells, which is mainly used in diffusion, PECVD, sintering and other high-temperature processes. ToothConfiguration is the key structural design of the basket, which directly affects the loading stability, process uniformity and fragmentation rate of silicon wafers.
CeramicsTimes company's The role of ceramic flower basket staple teeth:Fixed wafers:Prevent wafers from shifting or tipping during high temperature process. Uniform heat transfer: Ensure that the wafer is heated uniformly to avoid performance differences caused by temperature gradients. Reduces contact stress: Optimizes tooth design to reduce the risk of wafer edge breakage. Process gas flow: tooth spacing affects gas diffusion uniformity (e.g. POCl; diffusion processes).
CeramicsTimes company's PV ceramic baskets of the teeth design directly affects the production efficiency and cell room, need to take into account the size of the wafer, process requirements and mechanical reliability. With the popularization of large-size, thin wafers, the teeth of the technology will be more accurate, lower contact stress in the direction of development.
Core function of ceramic discretes in photovoltaic devices
- High Hardness and Wear Resistance: Ceramic composition confers exceptional surface hardness (Vickers hardness exceeding HV1200), significantly outperforming traditional metal components. This enables effective resistance to prolonged friction and wear, extending service life.
- Excellent Thermal Stability: Low thermal expansion coefficient (e.g., approximately 7-8×10⁻⁶/°C for alumina ceramics) minimizes deformation or cracking under sudden temperature changes, ensuring dimensional stability during high-temperature photovoltaic cell manufacturing processes.
- Corrosion Resistance and Electrical Insulation: Chemically inert to acids, alkalis, and other corrosive media, while providing superior electrical insulation to prevent corrosion or short circuits in electrochemical environments.
- Mechanical Strength: High flexural strength enables dynamic load resistance, reducing brittle fracture risks and making it suitable for high-speed industrial equipment.
| Product name | Photovoltaic equipment ceramic flower basket top teeth |
| Material | zirconium oxide ceramic |
| Color And Size | Customize |
| Packaging | Carton / Pallet (According to client requirement ) |
| Delivery time | 7-30 days |
| Items Design | According to the client's drawing or samples |
| Features | Good quality, low price, Multiple factories, deliver to you based on the one closest to your location |
Primary Applications
Ceramic basket top teeth serve as critical carrier components in photovoltaic cell production, primarily used for:
- Wafer Support and Transfer: As part of the basket structure during cell manufacturing, the top teeth secure and transport silicon wafers, preventing displacement or damage during high-temperature processing or mechanical movement.
- Quartz Carrier Replacement: Compared to traditional quartz boats, ceramic top teeth offer extended service life (lasting months or longer) and superior cost-effectiveness, making them an ideal alternative, especially during shortages of high-purity quartz sand.
- Precision Machining Applications: In semiconductor packaging or electronic component manufacturing, ceramic top teeth's dimensional accuracy (controllable within ±0.01mm) ensures precise handling of minute components.
Development Prospects
With the continuous expansion and technological evolution of the photovoltaic industry, ceramic basket top teeth hold promising application prospects:
- Growing Market Demand: The accelerating global energy transition is driving demand for photovoltaic equipment. As critical consumables, ceramic components are projected to see significant market expansion alongside increases in photovoltaic cell production capacity. The adoption of advanced ceramic materials like silicon carbide in carrier applications is gradually replacing quartz, further fueling demand.
- Technological Innovation Opportunities: The development of new technologies like N-type cells and perovskite solar cells demands higher-performance carrier materials. Ceramic top teeth, with their high-temperature resistance and corrosion resistance, are poised to play a crucial role in these emerging processes.
- Industry Consolidation and Innovation: As concentration in the photovoltaic equipment sector increases, leading companies are optimizing ceramic component performance (e.g., enhancing fracture toughness) through R&D investments while expanding into overseas markets, creating broader application scenarios for ceramic top teeth.
- Environmental Protection and Sustainable Development: Ceramic materials are recyclable and feature low production energy consumption, aligning with the photovoltaic industry's green manufacturing trend. Driven by environmental policies, their application share is expected to grow further in the future.
Ceramics Performance Parameter
| Number | Performance | Unit | ||||||||
| 95Alumina | 97Alumina | 99Alumina | 995Alumina | 997Alumina | 998Alumina | Zirconia Toughened Alumina | Alumina Toughened Zirconia | |||
| ZTA | ATZ | |||||||||
| 1 | fineness | 95% | 97% | 99% | 995% | 997% | 998% | |||
| 2 | Density | g/cm3 | 3.7 | 3.8-3.85 | 3.85 | 3.9 | 3.92 | 3.98 | 4.0-4.3 | ≧5.25 |
| 3 | Flexural strength | MPa | 304 | 320 | 340 | 370 | 400 | 550-600 | 700 | ≧650 |
| 4 | Fracture toughness | MPa·m1/2 | 4 | 4.5 | 5.6-6 | 5.6-6 | 5.6-6 | 5.6-6 | 7 | ≧7 |
| 5 | Dielectric constant | εr(20℃,1MHz) | 9.0 | 9.2 | 9.5 | 9.7 | 9.8 | 9.9 | 9.2 | 9.2 |
| 6 | Hardness | GPa | 12.8-15 | 15 | 15-16 | 15-16 | 16.3 | 16.3-18 | 13 | 14.5 |
| 7 | Hardness | HRC | 73-79 | 79 | 79-80 | 79-80 | 81 | 81-83 | 76 | 78 |
| 8 | Volume resistivity | Ω·cm(20℃) | 10 13 | 10 14 | 10 14 | 10 14 | 10 14 | 10 14 | 10 14 | 10 14 |
| 9 | Elastic modulus | GPa | 320 | 330 | 380 | 380 | 380 | 400 | 300 | 280 |
| 10 | Coefficient of thermal expansion | ×10-6/k | 7.6 | 7.6 | 7.6 | 7.6 | 5.4-8.4 | 6.4-8.9 | 8.3 | 8.5 |
| 11 | Compressive strength | MPa | 1910 | 2100 | 2210 | 2300 | 2300 | 2300 | 2400 | 2450 |
| 12 | Abrasions | g/cm2 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
| 12 | Thermal conductivity | W/m×k(20℃) | 20 | 24-27 | 34 | 35 | 35 | 38.9 | 27 | |
| 13 | Poisson's ratio | / | 0.22 | 0.22 | 0.22 | 0.22 | 0.22 | 0.22 | 0.26 | 0.2 |
| 14 | Insulation strength | kv/mm | 27 | 28 | 28 | 28 | 30 | 30 | 30 | 30 |
| 15 | Temperature | ℃ | 1520-1600 | 1650 | 1520 | 1650 | 1700 | 1700 | 1650 | 2000 |
Quality Control
We strictly follow ISO 9001 quality management system to ensure consistency:
- 100% raw material inspection
- Advanced hot-pressing production lines
- In-house testing: density, hardness, microstructure analysis
- Third-party certifications (SGS, CE, ROHS available upon request)
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