Precision Ceramic Brazing for High-Reliability Assemblies

Precision Ceramic Brazing for High-Reliability Assemblies

No. Parameter Typical Specification
1 Ceramic Material Alumina (Al₂O₃), 95%,  99%
2 Ceramic Shape Tube, Ring, Disc, Insulator, Custom Geometry
3 Metallization Mo-Mn Metallization / Nickel Plating
4 Metallization Thickness 15–25 μm
5 Nickel Plating Thickness 8–10 μm
6 Brazing Material Ag-Cu, Ag-Cu-Ti、Cu、Ag100
7 Brazing Temperature Up to 850°C
8 Leak Rate ≤1 × 10⁻¹⁰ atm·cc/sec
9 Customization OEM/ODM, Drawing & Sample-Based Production

Precision Ceramic Brazing for High-Reliability Assemblies

Precision ceramic brazing is designed for ceramic assemblies where joint consistency, dimensional accuracy, and long-term reliability are critical. The process combines carefully selected ceramic, metal, and filler materials to create a stable connection without melting the ceramic or base metal.

Key Features

  • Controlled ceramic-to-metal joint formation
  • Stable brazing gap and filler distribution
  • High mechanical and thermal stability
  • Suitable for precision components
  • Custom joint structures available

Process Control

Surface preparation, joint clearance, fixture positioning, brazing temperature, holding time, and cooling rate are controlled throughout production. Proper process control helps reduce voids, cracking, poor wetting, and uneven filler flow.

Applications

Suitable for semiconductor equipment, vacuum electronics, sensors, high-voltage components, precision instruments, and aerospace assemblies.

Custom Solution

Send your drawing and required tolerances for a review of the ceramic-metal joint structure, brazing gap, and manufacturing process.