Canatu Oyj

High-power EUV lithography needs pellicles that can survive heat and protect photomasks from particles. Canatu Oyj makes advanced carbon nanotubes and the membranes and reactors that sit in that supply chain. Its Dry Deposition process and CNT reactors are meant to produce clean nanotube films customers can turn into pellicle membranes and other parts. The company also sells CNT products directly and licenses limited production rights alongside reactor sales.

Semiconductors are the commercial core for now. Automotive film heaters for ADAS cameras and medical diagnostic sensors remain in the portfolio, with diagnostics still earlier. Canatu has been narrowing focus toward the highest-value CNT uses and a more reactor-led path in semis, aiming for recurring equipment-and-license economics rather than only one-off material sales. That is why CANATU draws attention: it is a First North deep-tech name trying to turn nanotube IP into scaled industrial revenue timed to advanced chipmaking.

The company has also been simplifying operations — including change negotiations in parts of the Finnish organization — to match that sharper commercial focus. Those steps sit inside the strategy; they do not define the technology thesis.

Observers disagree on the pace. Some see CNT pellicles as a structural need as EUV power rises and treat Canatu's reactor-plus-membrane position as a scarce industrial foothold. Others see a still-early scaleup whose adoption depends on customer qualifications, capital discipline and competition that can appear once the market is proven. Canatu remains a CNT platform company whose near-term story is whether semiconductor membranes and reactors become a durable business line — not a finished chipmaker.