Germany-based Umicore Galvanotechnik has filed a patent application for the use of bronze layers as substitutes for noble metals in electronic circuits. The inventors listed are Robert Ziebart, Guenter Wirth, Silvia Neuhaus, and Stefan Mueller. The application, filed on January 29, 2024, has been assigned the number 202447005727 A.
The international classification numbers for this patent are C25D 5/10, B32B 15/01, C22C 9/02, C22C 9/04, and C22C 13/00. According to the abstract published by the Controller General of Patents, Designs & Trade Marks, the invention focuses on the use of electrolytic bronze deposits as a replacement for noble metal electroplating in electronic circuits, such as those used in electronic payment and identity cards. It also introduces a novel layer sequence of bronze layers.
The patent was published in Issue No. 7/2024 of the Patent Office Journal on February 16, 2024. 
