Technical Overview-What is EBW
Electron Beam Welding (EBW) is a precision welding technology that uses a focused high-energy electron beam to fuse materials under a high vacuum environment.
Under vacuum conditions (10⁻⁴–10⁻⁵ mbar), the electron beam maintains high ऊर्जा density and stability, enabling:
Extremely small Heat Affected Zone (HAZ)
High aspect ratio welding (up to 20:1)
Oxidation-free and contamination-free joining
High-strength metallurgical bonding
It is particularly suitable for semiconductor vacuum components and precision structures.
Chamber Size: 3,000 × 2,500 × 2,000 mm
Working Range:
X: 1625 mm
Y: 475 mm
Z: 600 mm
Beam Power: 15 kW
Acceleration Voltage: 150 kV
Vacuum Level: < 7 × 10⁻⁴ mbar
Welding Speed: 1 – 30 mm/s
Control System: Multi-axis CNC automation
Designed for high precision, repeatability, and industrial-scale production.
Semiconductor Applications
Used in etching chambers and flow channels requiring:
Leak rate < 1×10⁻⁹ Pa·m³/s
High thermal fatigue resistance
Applicable materials: Mo, Al, Cu, Ti, ITO
Enables:
High strength bonding
Impurity-free joints
Precise metallurgical bonding
Used in CVD, ALD and etching processes
Features:
High temperature resistance (>500°C)
Embedded heater structure
Crack prevention under thermal cycling
Hole tolerance: ±5 µm
Burr-free
No deformation
Ensures uniform gas distribution.
Vacuum (10⁻⁴–10⁻⁶ Torr) ensures:
No beam scattering
Stable energy concentration
Zero oxidation contamination
Aerospace
Automotive
Medical devices
Q&A
EBW is suitable for a wide range of metals, including:
It is especially effective for dissimilar material joining, such as:
|
Item |
EBW |
Laser Welding |
|
Environment |
Vacuum |
Atmospheric |
|
Penetration |
Very deep |
Moderate |
|
HAZ |
Minimal |
Medium |
|
Weld Quality |
High purity |
Possible oxidation |
|
Application |
Semiconductor, aerospace |
General industry |
Vacuum (10⁻⁴–10⁻⁶ Torr) ensures:
Typical applications include:
Due to its highly concentrated energy and minimal heat input,
EBW significantly reduces distortion compared to conventional welding.
Yes, EBW can achieve:
Suitable for semiconductor and high-vacuum applications.
Conclusion & Contact
Electron Beam Welding (EBW) delivers high-energy density welding under vacuum conditions, effectively overcoming limitations of conventional welding in distortion control, sealing performance, and material contamination.
In semiconductor and precision manufacturing industries, EBW provides:
For critical components such as vacuum chambers, sputtering targets, heater plates, and gas distribution systems, EBW has become a key enabling technology.
