Dayoo Advanced Ceramic Co.,Ltd
| Packaging Details | Carton，Wooden Case |
| Electrical Resistivity | 10^14 Ω·cm |
| Compressive Strength | 2,000 MPa |
| Bulk Density | >3.63 |
| Machinability | Difficult |
| Color | White |
| Precision Tolerance | High |
| Dielectric Strength | 15 kV/mm |
| Type | Nozzles |
| Material | ≥95% alumina powder |
| Delivery Time | depend on the actual product |
| Payment Terms | FOB |
| Density | 3.9 g/cm3 |
| Supply Ability | Factory |
| Electrical Insulation | Excellent |
| Volume Resistivity | 10^14 Ω·cm |
| Transparency | Opaque |
| Properties | electric insulation |
| Wear Resistance | Excellent |
| Place of Origin | Made In China，Zhejiang，Jinhua |
| Brand Name | Dayoo |
| Certification | GB/T 19001-2016/ISO 9001:2015 |
| Model Number | Depend on the Actual Product |
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Product Specification
| Packaging Details | Carton，Wooden Case | Electrical Resistivity | 10^14 Ω·cm |
| Compressive Strength | 2,000 MPa | Bulk Density | >3.63 |
| Machinability | Difficult | Color | White |
| Precision Tolerance | High | Dielectric Strength | 15 kV/mm |
| Type | Nozzles | Material | ≥95% alumina powder |
| Delivery Time | depend on the actual product | Payment Terms | FOB |
| Density | 3.9 g/cm3 | Supply Ability | Factory |
| Electrical Insulation | Excellent | Volume Resistivity | 10^14 Ω·cm |
| Transparency | Opaque | Properties | electric insulation |
| Wear Resistance | Excellent | Place of Origin | Made In China，Zhejiang，Jinhua |
| Brand Name | Dayoo | Certification | GB/T 19001-2016/ISO 9001:2015 |
| Model Number | Depend on the Actual Product | ||
| High Light | Circle Alumina Products | ||
Alumina Ceramic Substrate Effective Heat Dissipation And Dimensional Stability For Power Electronics And LED Lighting
Alumina ceramic substrate (Al₂O₃ ceramic substrate) is an electronic ceramic material composed of ≥95% aluminum oxide, offering excellent insulation properties, high thermal conductivity and good mechanical strength. As a crucial carrier for electronic components, it is widely used in power electronics, LED packaging, integrated circuits and other fields. Its unique properties make it an indispensable fundamental material for modern electronic devices.
Power Electronics: IGBT module substrates, MOSFET heat dissipation substrates
LED Lighting: COB packaging substrates, high-power LED carriers
Integrated Circuits: Thick film circuit substrates, thin film circuit carriers
Sensors: Pressure sensor substrates, temperature sensing elements
Microwave Communication: RF device substrates, antenna array base materials
★ Superior Insulation: Dielectric strength >15kV/mm, volume resistivity >10¹⁴Ω·cm
★ Excellent Thermal Conductivity: 20-30W/(m·K) thermal conductivity for effective heat dissipation
★ High Strength & Durability: Flexural strength >300MPa, Mohs hardness 9
★ Dimensional Stability: CTE 7-8×10⁻⁶/℃ matching semiconductor materials
★ Environmental Resistance: High temperature, corrosion and aging resistance
| Parameter | Standard Value |
|---|---|
| Al₂O₃ Content | ≥95% |
| Thickness Tolerance | ±0.05mm |
| Surface Roughness | Ra≤0.2μm |
| Thermal Conductivity (25℃) | 24-30W/(m·K) |
| Dielectric Constant (1MHz) | 9.2-9.8 |
| Flexural Strength | 280-350MPa |
Powder Preparation: Fine grinding of high-purity alumina powder
Tape Casting: Precision thickness control ±1%
High-Temperature Sintering: 1600-1700℃ atmosphere protection sintering
Laser Cutting: Precision ±0.02mm
Surface Treatment: Double-side polishing to Ra0.1μm
Strict Testing: 100% electrical performance testing
Recommended soldering temperature below 850℃
Avoid mechanical impact and local stress concentration
Storage environment humidity <60%RH
Consider thermal expansion matching when assembling with metal parts
Surface metallization recommended for high-frequency applications
Professional technical support and selection guidance
48-hour rapid response mechanism
Small batch samples available (MOQ 50pcs)
Third-party test reports provided (SGS/CNAS)
Q: How to choose different alumina contents?
A: 96% for conventional electronics; 99% for high thermal conductivity needs; 99.6% for high-frequency precision circuits
Q: What is the maximum processable size?
A: Standard size 150×150mm, maximum up to 200×200mm
Q: Are special shapes supported?
A: Laser precision cutting service available, minimum hole diameter 0.1mm
Q: What metallization options are available?
A: Various solutions including gold plating, silver plating, and copper plating
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Total Annual:
>1000000
Employee Number:
>100
Ecer Certification：
Verified Supplier
We are a company with many years of experience in the production of special precision ceramics and the ability to design, manufacture, process and sell structural and functional parts of various special precision ceramics. Dayoo Advanced Ceramic Co.,Ltd has many years of experience in p... We are a company with many years of experience in the production of special precision ceramics and the ability to design, manufacture, process and sell structural and functional parts of various special precision ceramics. Dayoo Advanced Ceramic Co.,Ltd has many years of experience in p...
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