Dayoo Advanced Ceramic Co.,Ltd
| Delivery Time | Negotiable |
| Payment Terms | Negotiable |
| Corrosion Resistance | Excellent |
| Purity | 96%,99% |
| Shape | Customizable |
| Precision Tolerance | High |
| Alumina Content | 92% & 95% |
| Color | White |
| Low Thermal Expansion | Excellent |
| Tensile Strength | 250 MPa |
| Electrical Insulation | Excellent |
| Dielectric Loss | 0.0002 |
| Thermal Shock Resistance | Excellent |
| Mechanical Strength | High |
| High Temperature Resistance | Yes |
| Non-Toxic | Yes |
| Thermal Conductivity | 35 W/mK |
| Dimensional Tolerance | ±0.001 mm |
| Place of Origin | Made In China |
| Brand Name | Dayoo |
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Product Specification
| Delivery Time | Negotiable | Payment Terms | Negotiable |
| Corrosion Resistance | Excellent | Purity | 96%,99% |
| Shape | Customizable | Precision Tolerance | High |
| Alumina Content | 92% & 95% | Color | White |
| Low Thermal Expansion | Excellent | Tensile Strength | 250 MPa |
| Electrical Insulation | Excellent | Dielectric Loss | 0.0002 |
| Thermal Shock Resistance | Excellent | Mechanical Strength | High |
| High Temperature Resistance | Yes | Non-Toxic | Yes |
| Thermal Conductivity | 35 W/mK | Dimensional Tolerance | ±0.001 mm |
| Place of Origin | Made In China | Brand Name | Dayoo |
| High Light | Advanced Material Alumina Ceramic ，High Performance Alumina Ceramic ，High Performance Alumina Ceramic Material | ||
High Thermal Conductivity Superior Insulation Low Thermal Expansion High-Temperature Resistance Exceptional Flatness
Alumina ceramic substrates are electronic ceramic base plates manufactured from high-purity alumina (Al₂O₃ content 96%-99.9%), featuring excellent insulation properties, high thermal conductivity and low dielectric loss. With precision-polished surfaces achieving roughness below Ra 0.1μm, these substrates are ideal for high-end applications including power electronic devices, LED packaging, and semiconductor modules.
Power Electronics: IGBT module substrates, power MOSFET heat dissipation bases
LED Lighting: High-power LED chip packaging substrates
Semiconductors: RF/microwave circuit substrates, MEMS device carriers
Automotive Electronics: New energy vehicle electronic control system heat sinks
5G Communications: Base station power amplifier heat dissipation substrates
✅ High Thermal Conductivity: 24-30W/(m·K), 10× better than standard PCB materials
✅ Superior Insulation: Volume resistivity >10¹⁴Ω·cm
✅ Low Thermal Expansion: 7.2×10⁻⁶/℃, excellent match with silicon wafers
✅ High-Temperature Resistance: Continuous operation up to 850℃
✅ Exceptional Flatness: ≤0.02mm/50mm surface flatness
| Parameter | Standard (96%) | High Thermal (99%) |
|---|---|---|
| Al₂O₃ Content | 96% | 99% |
| Thermal Conductivity | 24W/(m·K) | 30W/(m·K) |
| Dielectric Constant | 9.5(1MHz) | 9.2(1MHz) |
| Flexural Strength | 300MPa | 350MPa |
| Thickness Range | 0.25-5mm | 0.25-5mm |
| Maximum Size | 150×150mm | 150×150mm |
Powder Preparation: High-purity alumina powder (D50≤1μm)
Tape Casting: Precise slurry viscosity and thickness control
Isostatic Pressing: 200MPa high-pressure densification
High-Temp Sintering: 1600℃ atmosphere-protected sintering
Precision Machining: Double-side grinding + laser cutting
Surface Treatment: Chemical mechanical polishing (CMP)
Full Inspection: Automated optical inspection (AOI)
⚠ Installation Notes:
Recommended soldering temperature <300℃
Avoid mechanical impact and localized stress concentration
Storage humidity should be <60% RH
Consider CTE matching when assembling with other materials
Recommend using silver paste or AuSn solder for mounting
Technical Support: Thermal simulation analysis services
Rapid Response: 72-hour expedited delivery for standard sizes
Customization: Special shapes and metallization treatments available
Failure Analysis: Equipped with SEM+EDS testing equipment
Q: How to select proper substrate thickness?
A: 0.63mm recommended for general power devices, ≥1.0mm for high-power applications
Q: Is multilayer wiring possible?
A: LTCC multilayer co-fired substrate solutions available
Q: What metallization options exist?
A: Supports thick-film printing, thin-film sputtering, DBC and other processes
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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