High-Purity BeO Ceramic for Thermal Management and Electrical Insulation
Coraynic Technology Limited supplies Beryllium Oxide (BeO) Ceramic components designed for applications requiring a combination of high thermal conductivity, electrical insulation, dimensional stability, and reliable high-temperature performance.
BeO ceramic is particularly suitable for applications where conventional electrically insulating ceramics cannot provide sufficient thermal performance. Its high thermal conductivity enables efficient heat dissipation while maintaining electrical isolation, making it suitable for high-power electronic and high-frequency systems.
Our BeO ceramics are manufactured from high-purity beryllium oxide powder using controlled forming and sintering processes. Precision grinding and machining are available for applications requiring controlled dimensions, surface finish, holes, grooves, steps, and other custom geometries.
Standard and custom BeO components can be supplied according to customer drawings, specifications, or application requirements.
BeO provides high thermal conductivity while maintaining excellent electrical insulation. This combination makes it suitable for thermal management in high-power and high-frequency electronic systems.
BeO offers high volume resistivity and dielectric strength, allowing it to function as both a thermal management material and an electrical insulating component.
High-purity BeO grades are available for applications where thermal performance, dielectric characteristics, and material consistency are critical.
BeO ceramic maintains its structural and electrical properties under elevated-temperature operating conditions and is suitable for demanding thermal environments.
In addition to standard substrates, Coraynic can manufacture BeO components with customized dimensions, holes, grooves, steps, radii, and other precision features.
The following values represent typical specifications for the BeO ceramic grade offered. Actual properties may vary depending on material grade, processing conditions, component geometry, and customer requirements.
| Property | Typical Specification |
|---|---|
| Material | Beryllium Oxide (BeO) |
| Purity | ≥99.5% |
| Appearance | White ceramic |
| Density | 2.88 g/cm³ |
| Melting Point | Approx. 2530°C |
| Thermal Conductivity | Up to 325 W/(m·K) |
| Dielectric Constant | 6.6 ± 0.2 @ 1 MHz |
| Dielectric Loss (tan δ) | 0.0012 @ 1 MHz |
| Volume Resistivity | ≥10¹⁴ Ω·cm @ 100°C |
| Breakdown Strength | ≥30 kV/mm |
| Flexural Strength | Approx. 200 MPa |
| Young’s Modulus | Approx. 350 GPa |
| Poisson’s Ratio | Approx. 0.26 |
| Specific Heat | Approx. 1050 J/(kg·K) |
| Linear Expansion Coefficient | 7.0–8.0 × 10⁻⁶/K, 25–500°C |
| Air Permeability | ≤5 × 10⁻¹² Pa·m³/s |
Specifications should be confirmed according to the selected BeO grade, component design, and application requirements.
Coraynic can supply different BeO ceramic grades according to thermal, electrical, mechanical, and processing requirements.
A general-purpose BeO ceramic grade for applications requiring high thermal conductivity and electrical insulation.
Typical applications include:
A higher-purity grade for applications requiring improved material consistency and high thermal performance.
Typical applications include:
Selected BeO grades can provide thermal conductivity up to approximately 325 W/(m·K), depending on material formulation and processing.
For applications with specific thermal conductivity, dielectric, dimensional, or mechanical requirements, material selection can be discussed with our engineering team.
Standard substrate dimensions are available for selected applications, while custom sizes can be manufactured according to drawings.
| Thickness | Standard Size |
|---|---|
| 0.38 mm | 50.8 × 50.8 mm / 2″ × 2″ |
| 0.38 mm | 76.2 × 76.2 mm / 3″ × 3″ |
| 0.50 mm | 50.8 × 50.8 mm / 2″ × 2″ |
| 0.50 mm | 76.2 × 76.2 mm / 3″ × 3″ |
| 0.635 mm | 50.8 × 50.8 mm / 2″ × 2″ |
| 0.635 mm | 76.2 × 76.2 mm / 3″ × 3″ |
| 1.00 mm | 50.8 × 50.8 mm / 2″ × 2″ |
| 1.00 mm | 76.2 × 76.2 mm / 3″ × 3″ |
| 1.50 mm | 50.8 × 50.8 mm / 2″ × 2″ |
| 1.50 mm | 76.2 × 76.2 mm / 3″ × 3″ |
Custom substrate dimensions are also available, including rectangular and circular configurations.
Beyond flat substrates, Coraynic manufactures various BeO ceramic geometries according to customer drawings and specifications.
Available configurations may include:
Custom dimensions and tolerances can be evaluated according to component geometry, material grade, production volume, and manufacturing process.
For applications requiring more than standard ceramic shapes, Coraynic provides precision ceramic processing after sintering.
Available processes may include:
Small holes and complex geometries can be evaluated according to material properties, component dimensions, tolerances, and production requirements.
For applications requiring electrical connection, brazing, soldering, or ceramic-to-metal joining, BeO ceramic can be supplied with customized metallization.
Available metallization options may include:
Metallization patterns can include full-surface metallization, selective areas, edge metallization, and other application-specific configurations.
For detailed information, see our Metallized BeO Ceramic product page.
BeO ceramic can also be integrated with metallic components for hermetic and high-reliability assemblies.
Depending on the application, compatible metals may include:
Joining methods may include brazing, active brazing, soldering, electron beam welding, and laser welding, depending on the component design and required performance.
Typical applications include hermetic packages, feedthroughs, RF components, vacuum components, and high-reliability electronic assemblies.
BeO ceramics are used in applications where thermal management and electrical insulation are required simultaneously.
BeO ceramic can be considered for aerospace and other high-reliability electronic applications requiring high thermal conductivity, electrical insulation, and dimensional stability.
Coraynic combines BeO ceramic material expertise with precision component manufacturing, metallization, and ceramic-to-metal joining capabilities.
Our manufacturing workflow can include:
BeO Powder → Forming → Sintering → Precision Processing → Metallization → Plating → Brazing / Sealing → Inspection
This integrated capability allows customers to source not only basic BeO ceramic materials, but also application-specific engineered ceramic components.
For OEM projects, we can work from:
Quality control can be performed according to product specifications and customer requirements, including:
Inspection documentation and material certificates can be provided according to the project requirements.
If your application requires a BeO ceramic component with specific thermal conductivity, purity, dimensions, tolerances, surface finish, geometry, metallization, or sealing requirements, Coraynic can evaluate the design and recommend a suitable manufacturing approach.
Please provide your:
Our engineering team can review the requirements and provide a customized quotation and technical proposal.
Request a BeO Ceramic Quote →
