High-Performance Ceramic-to-Metal Sealed Electrodes for Vacuum & High-Temperature Applications
We manufacture custom ceramic electrodes and vacuum ceramic feedthrough assemblies for high-demanding environments, delivering superior high-temperature resistance, vacuum integrity, and reliable electrical insulation.
A typical multi-pin vacuum ceramic electrode assembly featuring:
– High-temperature insulating ceramic body
– SUS304 stainless steel flange
– Multi-electrode configuration (4–5 pins customizable)
– O-ring sealing groove design
– Precision machined mounting interface
– Insulated stainless steel studs and nuts
This type of product is widely used in:
– Vacuum furnaces
– Semiconductor processing equipment
– Analytical instruments
– Plasma systems
– High-temperature reactors
– Power feedthrough systems
Our Core Manufacturing Capabilities
Advanced Ceramic Processing
We produce high-purity alumina insulating ceramics with:
– Excellent dielectric strength
– Long-term thermal stability above 400°C
– Operation under high vacuum (≤100 Pa or better upon request)
– Strong resistance to thermal cycling
Available ceramic materials:
– 95%–99.7% Alumina
– Custom ceramic grades upon request
Precision Metal Components
– SUS304 / SUS316 stainless steel flanges
– CNC precision machining
– Tight dimensional control for vacuum sealing interfaces
– O-ring groove machining to international standards
– Surface finishing tailored to vacuum applications
Ceramic-to-Metal Sealing Technology
We offer:
– Active brazing
– Metallization + brazing
– Hermetic sealing solutions
Key features:
– Reliable electrical insulation between studs and flange
– Insulation resistance ≥10 MΩ
– Controlled brazing process for consistent bonding strength
– Optimized thermal expansion matching
Vacuum & Leak Testing Capability
Each assembly can be tested according to customer requirements:
– Helium leak testing
– Electrical insulation testing
– Withstand voltage testing
– Dimensional inspection
– Functional current testing (1A–10A typical range, up to 220V or customized)
Leak rate targets can reach high vacuum standards depending on design.
Custom Multi-Pin Configurations
We support:
– 2–12 pin feedthrough structures
– M3 / M4 / M6 threaded studs
– Custom flange diameters
– Custom bolt circle patterns
– High-current feedthrough designs
Design flexibility allows customers to modify:
– Pin quantity
– Insulation structure
– Sealing method
– Electrical performance parameters
Engineering Support & Fast Development
Our engineering team can assist with:
– Drawing optimization for manufacturability
– Thermal stress analysis
– Vacuum compatibility review
– Cost reduction proposals
– Rapid prototyping for validation
We work closely with OEM customers across Europe, North America and Asia, providing reliable long-term supply solutions for industrial equipment manufacturers.
Why Choose Us
– Strong ceramic material know-how
– Stable brazing quality control
– Flexible customization
– Vacuum-tested reliability
– Competitive cost structure
– Responsive engineering communication
We do not simply manufacture parts,we provide reliable vacuum insulation solutions.
