Customization: | Available |
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Application: | Industrial Ceramic, Electronic Ceramic |
Grain Size: | 1-10um |
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Alumina Ceramic Substrate Material Property | ||||
Item | Unit | 96% Al2O3 | 99.6% Al2O3 | |
Mechanical Properties | ||||
Color | / | / | White | Ivory |
Density | Drainage Method | g/cm3 | ≥3.70 | ≥3.95 |
Light Reflectivity | 400nm/1mm | % | 94 | 83 |
Flexural Strength | Three Point Bending | MPa | >350 | >500 |
Fracture Toughness | Indentation Method | MPa·m1/2 | 3 | 3 |
Vickers Hardness | Load 4.9N | GPa | 14 | 16 |
Young's Modulus | Stretching Method | GPa | 340 | 300 |
Water Absorption | % | 0 | 0 | |
Camber | / | Length ‰ | T≤0.3: ≤5‰, Others: ≤3‰ | ≤3‰ |
Thermal Properties | ||||
Max. Service Temperature (non-loading) | / | ºC | 1200 | 1400 |
CTE (coefficient of thermal expansion) | 200-800ºC | 1×10-6/ºC | 7.8 | 7.9 |
Thermal Conductivity | 25ºC | W/m·K | >24 | >29 |
Thermal Shock Resistance | 800ºC | ≥10 Times | No Crack | No Crack |
Specific Heat | 25ºC | J/kg·k | 750 | 780 |
Electrical Properties | ||||
Dielectric Constant | 25ºC, 1MHz | / | 9.4 | 9.8 |
Dielectric Loss Angle | 25ºC, 1MHz | ×10^-4 | ≤3 | ≤2 |
Volume Resistivity | 25ºC | Ω·cm | ≥10^14 | ≥10^14 |
Dielectric Strength | DC | KV/mm | ≥15 | ≥15 |
Alumina Ceramic Substrate Production Specifications | |||||||
99.6% Al2O3 | |||||||
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 | ||
0.25 | 114.3 | 114.3 | √ | Tape Casting | |||
0.38 | 120 | 114.3 | 114.3 | √ | Tape Casting | ||
0.5 | 120 | 114.3 | 114.3 | √ | Tape Casting | ||
0.635 | 120 | 114.3 | 114.3 | √ | Tape Casting | ||
Other particular thicknesses within the thickness range of 0.1-0.635mm can be achieved by lapping. | |||||||
96% Al2O3 | |||||||
Thickness (mm) | Maximum Size (mm) | Shape | Molding Technique | ||||
As Fired | Lapped | Polished | Rectangular | Square | Round | ||
0.25 | 120 | 114.3 | 114.3 | √ | Tape Casting | ||
0.3 | 120 | 114.3 | 114.3 | √ | Tape Casting | ||
0.38 | 140×190 | √ | Tape Casting | ||||
0.5 | 140×190 | √ | Tape Casting | ||||
0.635 | 140×190 | √ | Tape Casting | ||||
0.76 | 130×140 | √ | Tape Casting | ||||
0.8 | 130×140 | √ | Tape Casting | ||||
0.89 | 130×140 | √ | Tape Casting | ||||
1 | 280×240 | √ | Tape Casting | ||||
1.5 | 165×210 | √ | Tape Casting | ||||
2 | 500×500 | √ | Tape Casting | ||||
Other particular thicknesses within the thickness range of 0.1-2.0mm can be achieved by lapping. |
Alumina Ceramic Substrate Product Tolerance | ||||
Item | Substrate Thickness (mm) | Standard Tolerance (mm) | Best Tolerance (mm) | Laser Cutting Tolerance (mm) |
Length And Width Tolerance | / | ±2 | ±0.15 | |
Thickness Tolerance | T<0.3 | ±0.03 | ±0.01 | |
0.30-1.0 | ±0.05 | ±0.01 | ||
T>1.0 | ±10% | ±0.01 |
Alumina Ceramic Substrate Surface roughness | |||
Material | Surface Roughness (μm) | ||
As Fired | Lapped | Polished | |
96% Al2O3 | Ra 0.2-0.75 | Ra 0.3-0.7 | Ra ≤0.05 |
99.6% Al2O3 | Ra 0.05-0.15 | Ra 0.1-0.5 | Ra ≤0.05 |
Inspection Of Bare Ceramic Substrates | ||
Test items | Inspection Tool | Inspection Standard |
Appearance | VisualInspection, Microscope | By the drawing |
Length And Width | Vernier Caliper | |
Thickness | Thickness Gauge, Micrometer | |
Camber | Digimatic indicator | |
Surface Roughness | Surface Roughness Meter |
Discover our Thickness 0.635mm Square Round Or Rectangular High-Frequency Capability Alumina Ceramic Sheet, ideal for Industrial and Electronic Ceramic applications. Trust in our expertise with Ceramic Plates.
Binzhou Aonuo New Material Technology Co., Ltd. specializes in producing Thickness 0.635mm Square Round Or Rectangular High-Frequency Capability Alumina Ceramic Sheet. Our products are made of high-quality alumina ceramic plates and are ideal for industrial and electronic ceramic applications.
We are Binzhou Aonuo New Material Technology Co., Ltd., a professional ceramic substrate factory with a production capacity of 100 million pieces. All our products are ISO9001 and IATF certified.
Please send us your drawing with technical requirements and demand quantity. If you don't have the drawing, could you courier samples to us?
Generally, it takes 5-10 days if the goods are in stock. Customized orders take around 30 days to dispatch. The package usually includes bubble wrap, a carton, a pallet, a wooden case, etc.
Yes, most alumina ceramic substrates are rectangular, square, or round. Our rectangular shapes for as-fired alumina ceramic substrates are available up to 190mm×138mm. We offer customized products for special requirements.
Our standard thickness ranges from 0.1mm to 2.0mm. The minimum thickness can be customized. You are welcome to inquire about our customized services.
If your question is not listed here, please get in touch with us for more information.