Our company history

Foundation of Ruwel in Berlin as “Rundfunk-Werkstätten und Labor” by Friedrich Stahl (engineer)

Ruwel produces the first series-produced printed circuit board in Germany

Introduction of double-sided through-hole printed circuit boards (PTH)

Start of production of multilayer printed circuit boards

Discovery and implementation of the semi-additive technique

Opening of a dedicated multilayer production facility in Goch

Death of the founder, Mr. Fritz Stahl

Takeover of Ruwel by a local investor

The Unimicron Group makes a strategic investment in RUWEL International GmbH

Unimicron becomes sole owner of Ruwel through the acquisition of the BlueBay shares

Ruwel is fully integrated into the Unimicron Group and appointed Head of the High Reliability Business Unit (HRBU)

Renaming of Ruwel International GmbH to Unimicron Germany GmbH

A fire destroys the production plant for inner layers in Geldern

Opening of the new “Smart Factory” in Geldern

Our first PCBs