Complete Hermetics manufactures brazed custom made ceramic-to-metal hermetic feedthroughs and hermetic seals. We specialize in ceramic-to-metal seals for high vacuum feedthrough and electrical feedthrough applications.

Ceramic-to-Metal Seal & Feedthroughs
Complete Hermetics provide custom designed ceramic-to-metal assemblies for applications where, compared to glass-to-metal seals, high operating temperatures, high voltage, and harsh environments are required. 

Housing Materials Include
• NiFe Alloys & NiFeCO (Kovar)
• 300 & 400 Series SST
• Titanium
• Aluminum Silicon Carbide (AlSiC)
• Cu and Cu Alloys
• Inconel
• 42, 46, 49 Alloys

Insulator
• Aluminum (Al2O3) 94%-99%

Conductor
• Kovar and Copper Cored Kovar
• 52 Alloy
• Inconel
• Stainless Steels

 

Hermetic Seal Properties
• Hermeticity: up to 1x10^-9 atm cc/sec He
• Working Temperature > 500°C depending on materials and geometry
• Insulation Resistance: Typically exceeds 1g ohms @ 100 VDC

 

Glass-to-Metal Seals & Feedthroughs - Please refer to glass seals section.