Economy & Politics

Circuit Foil’s copper promises a golden future

The Wiltz company is the subject of 41 million euros of investments, in order to strengthen its production of copper foils. An essential element in electronic printed circuits including those used for 5G.

Patrick JACQUEMOT

Patrick JACQUEMOT

The Wiltz company is the subject of 41 million euros of investments, in order to strengthen its production of copper foils. An essential element in electronic printed circuits including those used for 5G.

Fabienne Bozet is not the boastful type. But when this general manager says: “I am 95% sure that Circuit Foil is part of your daily life”, you have to believe her. Indeed, the high performance copper foils produced by the Luxembourg factory that it manages are found as well in the printed circuit of your bank card as in your computer when it is not in the electronics of your car. . “The Wiltz site even devotes part of its production (5%) to supplying copper to the batteries of certain electric vehicles”. And there, the customers have for name Porsche or Audi ….


06.05.09 Paul Wurth, Gebaeude, rue d alsace. Photo: Gerry Huberty

If the amount of the sale to the SMS group of the shares held by the Luxembourg State remains secret, the Ministries of the Economy and Finance assure that the transaction poses no risk to the employees of the steel company.


So many markets that will continue to remain buoyant, but nothing compared to the development of 5G technology. And to answer it will require more and more sheets of copper. “It is indeed thanks to this component that the data circulates, this famous data which is ever larger in volume and for which it is necessary to ensure ever faster processing”, explains Fabienne Bozet. Result: the 12,000 tonnes leaving the Circuit Foil workshops will soon be a distant memory. The production capacity of the site will have to climb 30% by 2025.


"It is estimated that global data traffic will explode by 30% by 2024, based on the development of 5G. Circuit Foil will have to respond to this", supports Fabienne Bozet.

“It is estimated that global data traffic will explode by 30% by 2024, based on the development of 5G. Circuit Foil will have to respond,” says Fabienne Bozet.

Photo: DR

Recently, the South Korean investment fund that owns Circuit Foil (Solus Advanced Materials) has confirmed the objective of the 15,000 tonnes of copper made in Luxembourg. “Since 2020, we have therefore started our extension. 2,000 m2 more workshops which will be accompanied by the recruitment ofaround twenty new employees. Bringing Wiltz’s workforce to around 350 employees. “But the first machines should be in working order by mid-December, for an investment of 41 million euros over two years ”, plans the CEO.

Special feature of Circuit Foil: 100% of its production goes to export. No Luxembourg customer. But the factory can be confident in its European future. Because even if the Old Continent represents only a quarter of its orders, the company has the advantage of being located in the middle of the big European automobile producers. Peugeot, Renault, VW, BMW and others by developing electric vehicles or by focusing on increasingly connected ranges will necessarily need electronic circuits … “and therefore our sheets, the profile of which improves processing speed. Datas.”

Solus Advanced Materials therefore knows how important it is to bet on this plant, whose know-how allows the production of sheets whose thickness can range from 210 microns to 0.003 mm … And the shareholder will be all the more comforted in his choices that the company’s Research & Development projects will soon be supported by the Ministry of the Economy and the List. “Technology is advancing very quickly around us, and if we want to remain essential we must support these developments”, defends Fabienne Bozet.

And the challenge is far from minor just to follow the 5G sector, whose global market, which amounted to 4.5 billion euros last year, is expected to reach 550 billion by 2026.


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