CNC machining
& optical
assemblies.
Swiss-made.
Recognized OEM partner for high-tech manufacturing — from prototype to full series.
Everything under
one roof.
Interferenz FWT AG integrates opto-mechanical assembly, precision optics, and CNC machining under one roof in Au/SG, Switzerland — eliminating supply chain interfaces and delivering consistently short lead times.
Whether a single prototype or a validated production series, our vertically integrated facility covers the entire chain — from raw material through machining, cleaning, assembly, and final inspection.
What We DoCNC Manufacturing
Multi-axis precision machining of aluminum, stainless steel, titanium, and engineering plastics. 3-, 4-, and 5-axis centers — tolerances to ±0.005 mm.
Optical Assemblies & Laser Technology
Lens mounts to complete opto-mechanical systems. Clean-room integration, active alignment, and functional verification included.
Part Cleaning
Ultrasonic and process cleaning to the cleanliness levels required by optical, semiconductor, and medical applications.
External Processes
Coordinated surface treatments and thermal processes — anodizing, coatings, heat treatment — through certified specialist partners.
Industries we serve.
"We don't ship parts.Start a Conversation
We ship reliability — measured in micrometers."