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BATTERY TERMINALS

CERAMIC-TO-METAL BATTERY TERMINAL AND FEEDTHROUGH SEALS

EnvirOptics ceramic-to-metal hermetic terminal and header assemblies for batteries offer chemical and physical stability far superior to that of glass and commercially available molded polymer terminal feedthrough seals. They are not affected by corrosive electrolytes, potassium hydroxide, and sulfuric acid, inorganic and organic electrolytes. EnvirOptics ceramic terminals and header assemblies are suitable for batteries that have corrosive electrolytes and are intended for use in harsh environments.

FEATURES AND BENEFITS

• Hermeticity – Maximum leak rate is 1 x 10^-9cc helium/second
• Terminal Strength – Can withstand forces up to 9000 psi without affecting hermeticity
• Mechanical Shock and Vibration – Repeated shocks in excess of 1000g's and swept frequency vibration from 5000 to 2000 cycles at 60g's have produced no evidence of seal deterioration
• Chemical Stability – Ceramic seals operate from +600°C to -270°C and cannot absorb water. They are more chemically inert than glass and are not affected by acids, strong alkali's and organic solvents.
• Insulation Resistance – Ceramic insulators are nonporous, nonhydroscopic and exhibit superior insulation resistance and less loss under high voltage than glass
• Closure Methods – Various final sealing designs are available for resistance welding and high energy beam welding
  EnvirOptics
  2950 Advance Lane
  Unit N
  Colmar, PA 18915
  USAPhone:(215) 996-1957 Fax:(215) 996-0666