High Voltage-resistant Alumina Ceramic (AH100A)

PHOTO: High Voltage-resistant Alumina Ceramic (AH100A)

Possibility of 50% size reduction, with 1.6 times higher voltage resistance than conventional ceramic
(based on Kyocera simulation)

・Improvement of dielectric strength / creeping voltage
  resistance in vacuum atmosphere
・Conditioning time reduction at high voltage operation
・Ripple reduction
・50% size reduction from conventional alumina
  (based on Kyocera simulation)


  • Hermeticity
  • Electrical Insulation
We support custom products from prototypes to large production runs. Please contact us to explore options, even if your specifications are different from those shown on our Web site.
  • Product specs
  • Features
  • Applications

Product specs

Material Alumina (AH100A)
Special process Metalization and Brazing are possible
Download catalog

Fine Ceramics for Electronics(PDF/5.0MB)PDF


■ Design Image of Size Reduction


■ Conditioning Time
Measuring Conditions:
   Pressure ≦ 10-3Pa
   Voltage Increase 1kV/min.
   Restarted from 0V every time flashover voltage is observed


■ Creeping Voltage Resistance
Measuring Conditions:
   Surface Distance 2mm
   Atmosphere ≦ 10-4Pa
   Others per Kyocera testing set-up


■ Dielectric Strength
Measuring Conditions:
   Bulk Ceramic Thickness 2mm
   Others based on JIS-C2141 standard


■ Material Characteristics & Measurement Comparison

(Reference Data)


High Voltage Accelerators
(Analysis Equipment)

Ultra High Vacuum Feedthroughs
(Semiconductor Processing Tools)

Electron Beam Generators
(Medical or Industrial X-ray Tubes)