Ceramic tube

aluminaaluminum oxideinsulation

Product overview
Glazed alumina ceramic tube with a precision M3 internal thread designed to provide electrical insulation and vacuum sealing for ion repeller and repeller insulator assemblies in extreme high-voltage, high-temperature vacuum environments (including UHV). The component ensures a precise mechanical fit and stable assembly for ion optics and vacuum hardware.

Features

• Insulation optimized for ion repeller configurations
• Vacuum integrity suitable for UHV applications
• Precision M3 internal thread for secure mechanical connection
• High-temperature stability and chemical compatibility

Applications

• High-voltage vacuum feedthroughs
• Ion source electrode isolation
• Ion repeller assembly insulation
• Diagnostic port insulators
• Custom UHV system integrations

Customization & Support

• Dimensional and thread customization to customer drawings
• Material upgrade options (e.g. ≥99% alumina) upon request
• Installation guidance for optimal vacuum sealing and high-voltage performance

Technical specifications

• Material: Glazed alumina ceramic
• Material grade: Options up to ≥99% alumina (customizable)
• Internal thread: M3 (precision internal thread)
• Intended environments: Extreme high-voltage, high-temperature vacuum, including UHV
• Mechanical: Precision fit and stable mechanical assembly for ion repeller systems
• Key properties: Vacuum integrity, high-temperature stability, precision sealing and electrical insulation