Custom High Vacuum Tube Magnetron Assembly
Material:
Kovar / Glass or According to your requirements
Dimensions: custom
Process: Stamping / machining and Fire processing
Product technical requirements:
No bubbles on the surface, ultra-high vacuum sealing and protection against high voltage breakdown glass
Application:Electronic vacuum tube / Ray ray tube / Magnetron tube
Get a quote
Product Description:

Overview
Our Custom High-Vacuum Tube Magnetron Assembly is engineered for cutting-edge applications demanding ultra-stable microwave generation under extreme vacuum conditions. Combining precision-crafted magnetron cores with advanced high-vacuum sealing technologies, this assembly delivers unparalleled power efficiency, thermal resilience, and long-term operational reliability. Tailored to your exact specifications, it is the cornerstone of systems where vacuum integrity and electromagnetic performance are mission-critical.
Key Features
-
Vacuum-Optimized Design: Borosilicate glass or ceramic-metal envelopes maintain vacuum levels ≤1×10⁻⁷ Torr, ensuring minimal electron scattering and maximum output stability.
-
High-Power Microwave Generation: Customizable frequency ranges (2.45 GHz to 30 GHz) with peak power outputs up to 25 kW, adaptable for pulsed or continuous wave (CW) operation.
-
Thermal Management: Integrated water/air-cooled anode structures and heat-dissipating coatings sustain performance at temperatures up to 600°C.
-
Hermetic Sealing: Glass-to-metal seals (Kovar, Invar) with helium leak rates <1×10⁻¹¹ mbar·L/s, validated through 500+ thermal cycles (-196°C to +450°C).
-
Precision Cathode Alignment: Sub-micron positioning of emitters ensures optimal magnetic field coupling and minimizes mode competition.
Applications
-
Radar & Defense: Phased array radar systems, electronic warfare, and missile guidance.
-
Industrial Heating: Microwave sintering, plasma processing, and semiconductor annealing.
-
Scientific Research: Particle accelerators, fusion experiments, and synchrotron facilities.
-
Medical Systems: Radiation therapy devices and advanced imaging diagnostics.

Customization Options
-
Frequency & Power: Adjustable cavity resonators, anode segmentation, and magnetic circuit tuning.
-
Materials: Oxygen-free copper anodes, lanthanum hexaboride (LaB₆) cathodes, or diamond-coated RF windows.
-
Interfaces: Flange configurations (CF, KF), HV feedthroughs, and waveguide couplings per MIL-STD-348.
-
Testing Protocols: HIP (Hot Isostatic Pressing) treatment, X-ray imaging for void detection, and multipactor effect analysis.
Quality Assurance
Every assembly undergoes:
-
High-potential testing (DC 50 kV, 1 minute).
-
Residual gas analysis (RGA) for vacuum purity certification.
-
Frequency spectrum profiling with vector network analyzers.
-
Vibration testing per MIL-STD-810G Method 514.8.
Compliant with ITAR (if applicable), ISO 9001, and IEC 61340 ESD standards.
Packaging & Logistics
-
Triple-layer ESD-safe packaging with moisture-controlled desiccants.
-
ISO-compliant crating for shock/vibration protection.
-
Global shipping with radiation/hazardous material documentation.
Power Your Innovation—Leverage our vacuum magnetron technology to redefine performance boundaries. Contact us today for a tailored technical proposal!
Related products
FAQ
You can tell us your needs (such as specifications, quantities, materials, drawings, etc.) by email(info@prekovar.com), phone or by submitting the form on our website.
With over 10 years of specialized focus on Kovar/alloy processing, we master the unique challenges of this low-expansion material. Our advanced stamping techniques ensure micron-level accuracy, ideal for critical applications in electronics, aerospace, and hermetic sealing components.









