|
Still deciding? Get samples of $ !
Order Sample
|
| Customization: | Available |
|---|---|
| Application: | Electronic Devices, Lighting, Power Supply, Semiconductors |
| Material: | Al2O3 |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
|---|
| Payment Methods: |
|
|---|---|
| Support payments in USD |
| Secure payments: | Every payment you make on Made-in-China.com is protected by the platform. |
|---|
| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
|---|
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
1. 96% Alumina (Al2O3) is one of the most popular ceramic substrate materials because of its excellent heat resistance, high mechanical strength, abrasion resistance, and small dielectric loss. The surface of the alumina ceramic substrate is quite smooth and has a low porosity.
2. 96% Alumina substrates are suitable for thick film applications like hybrid PCB and component substrates or it can be used in direct plated copper sputtering.
3. Thanks to its adequate thermal conductivity, it can also be used as a heat spreader at the back of a PCB. It is also suitable for usage in high power and high-frequency applications because of dielectric properties.
| Alumina Ceramic Substrate | |||
| Item | Unit | 96% Al2O3 | |
| Mechanical Properties | |||
| Color | / | / | White |
| Density | Drainage Method | g/cm3 | ≥3.70 |
| Light Reflectivity | 400nm/1mm | % | 94 |
| Flexural Strength | Three Point Bending | MPa | >350 |
| Fracture Toughness | Indentation Method | MPa·m1/2 | 3.0 |
| Vickers Hardness | Load 4.9N | GPa | 14 |
| Young's Modulus | Stretching Method | GPa | 340 |
| Water Absorption | % | 0 | |
| Camber | / | Length‰ | T≤0.3: ≤5‰, Others: ≤3‰ |
| Thermal Properties | |||
| Max. Service Temperature (Non-loading) | / | ºC | 1200 |
| CTE (Coefficient of Thermal Expansion) |
20-800ºC | 1×10-6/ºC | 7.8 |
| Thermal Conductivity | 25ºC | W/m·K | >24 |
| Thermal Shock Resistance | 800ºC | ≥10 Times | No Crack |
| Specific Heat | 25ºC | J/kg·k | 750 |
| Electrical Properties | |||
| Dielectric Constant | 25ºC, 1MHz | / | 9.4 |
| Dielectric Loss Angle | 25ºC, 1MHz | ×10-4 | ≤3 |
| Volume Resistivity | 25ºC | Ω·cm | ≥1014 |
| Dielectric Strength | DC | KV/mm | ≥15 |
We can make various specifications. The table below shows our standard sizes.
| Alumina Ceramic Substrate | |||||||
| 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 special thicknesses within the thickness range of 0.1-2.0mm can be achieved by lapping. | |||||||
Beside bare ceramic substrates, we also do metalized ceramic substrates. Metallized ceramics is one of our advantageous products.
){kind=link}