CUMI is the only Indian manufacturer of metallized ceramics

Cylindrical shape: metallization on top and bottom. Application: vacuum interrupter/capacitor. Material: 92% and 94% Alumina.

Cylinders

• Outer diameter: 1 inch ~ 6 inch
• Length: up to 6 inch
• Shape (OD): plain/grooved
• Shape (ID): plain/stepped/grooved
• Metallizing: Moly Manganese (10 ~ 38 microns)
• Plating: Nickel (2-10 microns)

Application

• Vacuum interrupter and vacuum capacitor

Any complex shape: metallization on any surface. Application: hermetic sealed products. Material 95%, 97,5%, and 99,5% Alumina.

Devices

• Outer diameter: 1 inch ~ 6 inch
• Length: up to 6 inch
• Shape (OD): any shape
• Metallizing: any surface
• Metallizing: Moly Manganese (10 ~ 38 microns)
• Plating: Nickel (2-10 microns)
  (Silver coating is possible)

Application

• Vacuum devices such as panoramic wave ceramic x-ray tube
• unipolar metal ceramic x-ray tube
• image intensifier tube
• Xenon lamp, power triodes, transmission tubes

• CUMI Ceramics - Metz - aluminia ceramics, presentation (PDF, 1.317 KB)
• CUMI Ceramics - Metz - technical data sheet - aluminia ceramics (PDF, 246 KB)