Dayoo Advanced Ceramic Co.,Ltd
| Delivery Time | Negotiable |
| Payment Terms | Negotiable |
| Properties | electric insulation |
| Thermal Conductivity | 35 W/mK |
| Hardness | 9 Mohs |
| Alumina Content | 92% & 95% |
| Low Dielectric Loss | 0.0002 |
| Melting Point | 2040°C |
| High Temperature Resistance | Yes |
| Type | ceramic ball |
| Color | White |
| Size | Customized |
| Manufacturing Method | Dry Pressing or Isostatic Pressing |
| Coefficient Of Thermal Expansion | 8 x 10^-6/°C |
| Precision Tolerance | High |
| Machinability | Difficult |
| Compressive Strength | 2,000 MPa |
| Place of Origin | Made In China |
| Brand Name | Dayoo |
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Product Specification
| Delivery Time | Negotiable | Payment Terms | Negotiable |
| Properties | electric insulation | Thermal Conductivity | 35 W/mK |
| Hardness | 9 Mohs | Alumina Content | 92% & 95% |
| Low Dielectric Loss | 0.0002 | Melting Point | 2040°C |
| High Temperature Resistance | Yes | Type | ceramic ball |
| Color | White | Size | Customized |
| Manufacturing Method | Dry Pressing or Isostatic Pressing | Coefficient Of Thermal Expansion | 8 x 10^-6/°C |
| Precision Tolerance | High | Machinability | Difficult |
| Compressive Strength | 2,000 MPa | Place of Origin | Made In China |
| Brand Name | Dayoo | ||
| High Light | High Performance Alumina Ceramic ，Industries Alumina Ceramic | ||
Alumina Ceramic Substrates Unmatched Insulation And Thermal Conductivity For High-End Applications
Alumina ceramic heat sink substrates are advanced electronic cooling materials manufactured from high-purity aluminum oxide (Al₂O₃). These substrates feature excellent thermal conductivity, electrical insulation, and mechanical strength. Utilizing cutting-edge ceramic processing technology, they offer superior surface flatness and thermal expansion coefficients that match semiconductor materials, making them ideal heat dissipation carriers for power electronic devices.
LED Lighting: Heat sinks for high-power LED chips
Power Electronics: IGBT modules and power semiconductor devices
Telecom Equipment: 5G base station power amplifiers
Automotive Electronics: New energy vehicle control systems
Exceptional Thermal Conductivity: 24-28W/(m·K)
High Insulation Performance: Breakdown voltage >15kV/mm
Low Thermal Expansion: Matches chip expansion (7.2×10⁻⁶/℃)
High-Temperature Resistance: Continuous operation up to 1000℃
Superior Mechanical Strength: Flexural strength >300MPa
| Parameter | Specification |
|---|---|
| Material Purity | 96%/99% Al₂O₃ options |
| Thermal Conductivity | 24-28W/(m·K) |
| Breakdown Voltage | >15kV/mm |
| Surface Roughness | Ra≤0.2μm |
| Thermal Expansion | 7.2×10⁻⁶/℃(20-300℃) |
| Standard Sizes | 50×50mm to 150×150mm |
| Thickness Range | 0.3-3.0mm |
Powder Preparation: Fine grinding of high-purity alumina
Tape Casting: Producing high-precision green tapes
High-Temp Sintering: 1600-1700℃ densification
Precision Machining: Laser cutting, surface polishing
Metallization: Screen printing/sputtering
Quality Control: Thermal/insulation testing
Maintain clean surfaces during installation
Use thermal paste for better heat transfer
Avoid mechanical impacts to prevent cracking
Regularly inspect surface conditions
18-month quality guarantee
Professional technical support
Rapid response to inquiries
Sample testing and small-batch customization
Q: Advantages vs aluminum substrates?
A: Better insulation, heat resistance, and dimensional stability
Q: Minimum achievable thickness?
A: 0.3mm (0.5mm recommended)
Q: Custom shapes available?
A: Yes, with minimum 0.5mm hole diameter
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. Deyu Precision Ceramics Technology Co., Ltd. has many years of e... 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. Deyu Precision Ceramics Technology Co., Ltd. has many years of e...
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