UNPARALLELED LTD is one of the leading manufacturers and suppliers of alumina ceramic plate in China. With abundant experience, we warmly welcome you to buy advanced alumina ceramic plate made in China here from our factory. We also accept custom orders.
Product Story & Value Proposition
In the world of high-precision manufacturing, even the smallest deviation can compromise an entire production line. That's why engineers turn to advanced ceramics - materials that combine extreme hardness, chemical inertness, and thermal stability. Our alumina ceramic plate isn't just a component; it's the silent backbone of your most critical systems. Whether you're building a vacuum chamber, designing a semiconductor wafer handler, or automating a cleanroom process, this plate delivers the rigidity and reliability you need - without adding weight or risk of contamination.
Technical Specifications
| Parameter | Specification |
|---|---|
| Material | High-Purity Alumina (Al₂O₃ ≥ 99.5%) |
| Color | Off-white / Milky White |
| Surface Finish | Ra ≤ 0.8 μm (Mirror Polish Available) |
| Hole Tolerance | ±0.01 mm |
| Flatness | ≤ 0.02 mm over 300 mm |
| Max Operating Temp | 1600°C (Continuous) |
| Density | 3.9 g/cm³ |
| Customization | Yes – Size, Hole Pattern, Coating |
quality control
Core Advantages & Unique Selling Points
- Zero Metal Contamination: Ideal for semiconductor and pharmaceutical environments where metallic particles are unacceptable.
- Thermal Shock Resistance: Withstands rapid temperature changes without cracking - perfect for vacuum bake-out cycles.
- Wear & Corrosion Proof: Outlasts stainless steel in abrasive or chemically aggressive environments.
- Lightweight Rigidity: 40% lighter than steel with comparable stiffness - reduces actuator load and energy consumption.
- Custom Hole Patterns: We match your CAD drawings exactly - no need to redesign your assembly around off-the-shelf parts.
Real-World Application Scenarios
- Semiconductor Wafer Handling: Used as a mounting base for robotic arms inside load locks - prevents particle generation during movement.
- Vacuum Chamber Fixtures: Serves as a non-outgassing, non-magnetic platform for sensors and optics in PVD/CVD systems.
- Automated Assembly Lines: Acts as a wear-resistant guide plate for pneumatic cylinders in cleanroom packaging machines.
- Medical Device Manufacturing: Provides a sterile, non-reactive surface for handling implants or diagnostic cartridges.
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FAQ
Q: Can you machine complex hole patterns with tight tolerances?
A: Absolutely. Our CNC grinding and laser drilling processes achieve ±0.01mm accuracy on holes as small as 1.5mm diameter.
Q: Is this material suitable for ultra-high vacuum (UHV) environments?
A: Yes. Our alumina ceramic is fully compatible with UHV systems - low outgassing, non-porous, and easily cleaned.
Q: Do you offer surface coatings or metallization?
A: Yes. We can apply TiN, Cr, or Au coatings for enhanced conductivity or adhesion - just specify your requirements.
Q: What's the lead time for custom orders?
A: Standard prototypes ship in 7–10 days. Production runs typically take 3–4 weeks depending on complexity.
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