Thin Aln Ceramic Plate Aluminum Nitride Substrate for Thermal Management
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| Customization: | Available |
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| Application: | Electronic Devices, Lighting, Power Supply, Semiconductors |
| Material: | Aluminum Nitride Ceramic |
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Basic Info.
- Model NO.
- Customized
- Forming Method
- Tape Casting
- Features
- High Thermal Conductivity, Cte Matching Si
- Usage
- Blank Ceramic Circuit Board
- Optional Color
- Gray, Ivory
- Density
- Over 3.33G/Cm3
- Thickness Tolerance
- ±0.03 (Standard) / ±0.01 (Best)
- Length and Width Tolerance
- ±2mm
- Transport Package
- Individual Packaging
- Specification
- Standard Size: 50.8mm x 50.8mm, Or Customized
- Trademark
- JingHui
- Origin
- China
- HS Code
- 6914100000
- Production Capacity
- 50000 Pieces/Month
Packaging & Delivery
- Package Size
- 27.00cm * 17.00cm * 20.00cm
- Package Gross Weight
- 2.000kg
Product Description
Why Choose Ceramic Substrates?
Why Choose the Aluminum Nitride Substrate?
The aluminum nitride substrate has excellent thermal conductivity, reliable electrical insulation, low dielectric constant and dielectric loss, and is ideal for heat dissipation and packaging of LED lighting, large-scale integrated circuits, semiconductor module circuits and high-power devices.
Through the table below, you can see some performance comparisons between aluminum nitride (AlN) substrates and alumina (Al2O3) substrates.
| Properties | Unit | AlN | 96% Al2O3 |
| Density | g/cm³ | ≥3.33 | ≥3.70 |
| Flexural Strength | MPa | ≥380 | >350 |
| Max. Service Temperature (Non-loading) | ºC | >1000 | 1200 |
| CTE | 20-800ºC, 10-6/ºC | 4-6 | 7.8 |
| Thermal Conductivity | 20ºC, W/m·K | 170-230 | >24 |
| Dielectric Strength | KV/mm | ≥17 | ≥15 |
Products of various specifications can be produced. The table below shows our standard sizes. The ultra-thin of 0.1mm to 0.2mm AIN Substrate will be achieved by lapping.
| AlN Substrate | |||||||
| Thickness (mm) | Maximum Size (mm) | Shape | Molding Technique | ||||
| As-fired | Lapped | Polished | Rectangular | Square | Round | ||
| 0.1-0.2 | 50.8 | 50.8 | √ | √ | Tape Casting | ||
| ≥0.2 | 114.3 | 114.3 | √ | √ | Tape Casting | ||
| 0.38 | 140×190 | 140×190 | 120 | √ | √ | Tape Casting | |
| 0.5 | 140×190 | 140×190 | 120 | √ | √ | Tape Casting | |
| 0.635 | 140×190 | 200 | 200 | √ | √ | √ | Tape Casting |
| 1 | 140×190 | 300 | 200 | √ | √ | √ | Tape Casting |
| 1.5 | 300 | 200 | √ | √ | Tape Casting | ||
| 2 | 300 | 200 | √ | √ | Tape Casting | ||
| 2.5 | 300 | √ | √ | Tape Casting | |||
| 3 | 300 | √ | √ | Tape Casting | |||
| … | 450 | √ | √ | Isostatic Pressing | |||
| 10 | 450 | √ | √ | Isostatic Pressing | |||
| Other special thicknesses within the thickness range of 0.1-3.0mm can be achieved by lapping. | |||||||
Besides bare ceramic substrates, we also do metalized ceramic substrates. Metallized ceramics is one of our advantageous products.
Q1: What is the maximum service temperature of the aluminum nitride substrates?
Aluminum nitride substrates can withstand high temperatures over 1000 ºC.
Q2: What is the maximum thermal conductivity of your aluminum nitride substrates?
The thermal conductivity of aluminum nitride substrates is generally 170 W/(m·K) or higher. The maximum value can reach 230 W/(m·K), which is 8 times that of alumina. It has broad development prospects in fields like high-power electronic semiconductor modules, electronic heaters and semiconductor power hybrid circuits.
Q3: Do you provide free samples?
Samples of standard sizes are free, and we only charge for shipping. If customization is required, we only collect a sample fee for MOQ.
Q4: How long is your delivery time?
If it is one of our standard sizes and we have it in stock, we will ship it within 2 days. In other cases, the standard delivery time is generally 4-6 weeks.
If your question is not listed here, please contact us for more information.
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