Metallized Ceramic Components
X-Ray Tube Ceramic Components
Precision alumina ceramic components for X-ray tube assemblies, X-Ray Tube Ceramic Components including metallized insulators, feedthroughs, ceramic tubes, rings, and custom ceramic-to-metal parts for high-voltage and high-vacuum applications.
Description
TecCera supplies precision ceramic components for X-ray tube assemblies, X-Ray Tube Ceramic Components including metallized alumina insulators, ceramic feedthroughs, insulating rings, ceramic tubes, and customized ceramic-to-metal components.
High-purity alumina ceramics provide the electrical insulation, mechanical strength, thermal stability, and vacuum compatibility required for high-voltage X-ray tube environments. For ceramic-to-metal joining, selected ceramic surfaces can be metallized using Molybdenum-Manganese (Mo/Mn) and subsequently plated with nickel, copper, silver, or gold according to the brazing and assembly requirements.
Typical Component Types
TecCera can supply ceramic parts used in different sections of X-ray tube and high-voltage vacuum assemblies, including:
- High-voltage alumina ceramic insulators
- Metallized ceramic tubes
- Ceramic insulating rings
- Ceramic feedthrough components
- Ceramic-to-metal sealing components
- Ceramic supports and spacers
- Vacuum insulation components
- Custom metallized alumina parts
Components can be manufactured according to customer drawings with customized dimensions, tolerances, metallized areas, and plating specifications.
Why Alumina Ceramics for X-Ray Tube Applications?
X-ray tube assemblies operate under demanding combinations of high voltage, high vacuum, elevated temperature, and electrical insulation requirements.
Alumina ceramics are well suited to these environments because they provide:
- High dielectric strength
- Excellent electrical insulation
- High mechanical strength
- Good thermal stability
- Low outgassing characteristics
- High-temperature resistance
- Good dimensional stability
- Compatibility with ceramic-to-metal joining processes
These properties make alumina an important insulating material in X-ray and other high-voltage vacuum electronic systems.
Ceramic Metallization for X-Ray Tube Assemblies
In applications where ceramic parts must be joined to metal components, the ceramic surface can be metallized before brazing.
A typical structure is:
Alumina Ceramic → Mo/Mn Metallization → Metal Plating → Brazing → Metal Component
Mo/Mn metallization provides a bondable surface on alumina ceramic. A subsequent metallic plating layer, commonly nickel, can improve wettability and facilitate brazing to compatible metal components.
Other plating systems, including silver, copper, and gold, may be available depending on the joining process and operating environment.
Key Performance Requirements
Ceramic components used in X-ray tube assemblies may require a combination of:
High-Voltage Insulation
High dielectric strength helps electrically isolate high-voltage sections and reduce the risk of electrical breakdown.
Vacuum Compatibility
Dense alumina ceramic is suitable for vacuum environments and can be incorporated into hermetically sealed ceramic-to-metal assemblies.
Hermetic Joining
Metallized ceramic surfaces enable ceramic-to-metal brazing for assemblies requiring reliable vacuum sealing.
Thermal Stability
Alumina maintains good dimensional and electrical stability under elevated operating temperatures.
Mechanical Reliability
High mechanical strength helps ceramic components withstand assembly stresses and operating loads.
Typical Applications
X-ray ceramic components can be used in equipment and assemblies such as:
- Medical X-ray tube assemblies
- CT X-ray tube systems
- Digital radiography equipment
- C-arm imaging systems
- Dental X-ray equipment
- Industrial X-ray inspection systems
- High-voltage vacuum equipment
- Vacuum electronic devices
The exact ceramic design depends on voltage level, vacuum requirements, thermal conditions, dimensions, and ceramic-to-metal joining configuration.
Custom X-Ray Tube Ceramic Components
TecCera supports customized ceramic components according to drawings and technical requirements.
Custom options may include:
- Alumina purity
- Outer and inner diameter
- Component length
- Wall thickness
- Precision tolerances
- Complex ceramic geometry
- Metallization location and pattern
- Mo/Mn metallization thickness
- Ni, Cu, Ag, or Au plating
- Surface finish
- Ceramic-to-metal brazing requirements
For technical evaluation, please provide the drawing, ceramic material, dimensions, tolerances, metallized area, plating requirement, quantity, operating voltage, temperature, and vacuum conditions.
Request a Quote
Looking for a custom X-ray tube ceramic component, metallized alumina insulator, or ceramic-to-metal component?
Send TecCera your drawing or technical requirements. We can review the ceramic material, geometry, metallization, plating, and joining requirements for your application.
Technical Specifications
| Parameter | Typical Value / Range | Unit |
|---|---|---|
| Alumina Purity | 95% / 99% | % |
| Bulk Density | ≥ 3.63 | g/cm³ |
| Thermal Conductivity (25°C) | 22.45 | W/m·K |
| Coefficient of Thermal Expansion (20–1000°C) | 8.26 | ×10⁻⁶/K |
| Flexural Strength | ≥ 340 | MPa |
| Dielectric Strength | ≥ 8.3 | kV/mm |
| Dielectric Constant (1 MHz) | 9.1 | — |
| Dielectric Loss (1 MHz) | ≤ 0.0004 | — |
| Mo/Mn Metallization Thickness | 15–25 | μm |
| Metal Plating Thickness | 8–10 | μm |
Technical Resources
Download the TecCera brochure for metallized alumina components, ceramic-to-metal brazed assemblies, hermetic seals, and vacuum feedthrough solutions.
Download Metallized Ceramics Brochure (PDF)How to Get a Quote
Send us your drawing or technical requirements. We will review the material, dimensions, tolerances and application conditions before quotation.
- Inquiry
- Technical Review
- Quotation
- Order
Need a Custom Ceramic Component?
Send us your drawing, dimensions, material requirements, quantity and application conditions.
Request a Quote