At Pronexos we understand that precision and accuracy are paramount to meet the high standards required by the semiconductor industry.


Pronexos works with some of the biggest names in the semiconductor industry. They depend on us for our in-depth knowledge of materials and chemicals, our ability to offer engineering input, and our use of clean room environments.

Three decades of electron beam welding experience

Pronexos has been providing electron beam welding for 30 years. We use a bespoke software system to guarantee a high degree of reproducibility, and can join together the most commonly used metals in the semiconductor sector, including:

  • Stainless steel
  • Titanium
  • Aluminium
  • Copper

Electron beam welding is ideal for use with semiconductors, thanks to its ability to create deep and narrow welds that are almost pore-free.

Vacuum brazing & heat treatment

Pronexos also offers a range of other heat treatments for the semiconductor industry such as annealing and brazing, which is carried out in a clean environment to ensure there is no contamination.

Clean room assembly

Pronexos can offer a number of services under clean room conditions, including:

  • Heat treatments & brazing
  • Electron beam welding
  • Flow forming precision tubes

Assured quality

We have rigorous internal quality assurance procedures, and we are audited and certified to the highest international standards.

  • ISO 9001:2015 Quality Management System
  • ISO 14001:2015 Environmental Management System