Vacuum feedthrough

hermetically-sealedchemical-resistantabrasion-resistant

Overview
INNOVACERA supplies vacuum‑tight, hermetically sealed ceramic-to-metal, glass‑ceramic and glass‑to‑metal components for industrial, aerospace and medical applications. These assemblies combine ceramic high‑temperature and corrosion resistance with metallic mechanical strength and toughness. INNOVACERA also provides technical support and tailored sealing solutions.

Ceramic-to-Metal Sealing Materials:
Housing Material / Insulator / Conductor
NiFe Alloys & NiFeCO (Kovar) / 94%-99% Al2O3 / Kovar; Copper‑cored Kovar
300 & 400 Series SST / AlN / 52 Alloy
Cu and Cu Alloys / BeO / Inconel
Inconel / / Stainless Steels
42, 46, 49 Alloys / /

Hermetic Seal Properties:

• Hermeticity: up to 1×10-9 atm cc/sec He
• Working Temperature: > 500°C depending on materials and geometry
• Insulation Resistance: Typically exceeds 1 GΩ @ 100 VDC

Ceramic-to-Metal Sealing Features:

• High abrasion resistance
• High mechanical strength
• Rated for pressures over 10,000 PSI
• High temperature capability
• Low dielectric loss
• Mass spectrometer leak tested
• High chemical stability

Ceramic-to-Metal Welding Process:

• Cleaning
• Pasting
• Metallizing
• Nickel plating
• Mounting
• Brazing
• Inspection & packing

Ceramic-to-Metal Sealing Applications:

• Relay insulators
• Capacitors
• Magnetrons
• Travelling wave tubes (TWT)
• X‑ray tube components
• Electrosurgical instrumentation
• Implantable packages and feedthroughs
• Gas detectors
• Electron microscopes (TEM, SEM)
• High‑voltage feedthroughs
• High‑temperature feedthroughs
• RF feedthroughs
• Optoelectronics and power tubes
• Laser tubes
• Thyristors
• Diodes
• Etc.

Technical Specifications

• Brand: INNOVACERA
• Product type: Vacuum‑tight hermetic ceramic-to-metal, glass‑ceramic and glass‑to‑metal components
• Typical hermeticity: up to 1×10-9 atm cc/sec He
• Working temperature: > 500°C (material & geometry dependent)
• Insulation resistance: > 1 GΩ @ 100 VDC (typical)
• Typical housing materials: NiFe Alloys & NiFeCO (Kovar), 300 & 400 series stainless steels, Cu and Cu alloys, Inconel, 42/46/49 alloys
• Typical insulator materials: 94%-99% Al2O3 (alumina), AlN, BeO
• Typical conductor materials: Kovar, copper‑cored Kovar, 52 Alloy, Inconel, stainless steels
• Mechanical performance: high abrasion resistance, high mechanical strength, suitable for pressures >10,000 PSI
• Quality testing: mass spectrometer leak tested