ALEXANDRIA, Va., March 5 -- United States Patent no. 12,241,149, issued on March 4, was assigned to ERNI INTERNATIONAL AG (Bruttisellen, Switzerland).
"Electrical contact element" was invented by Michael Burger (Pforzheim, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electrical contact element for a plug-in connector has a metallic base body and a wear layer applied to the base body. The wear layer consists of pure ruthenium or of an alloy with the components 50-100% w/w ruthenium, 0-30% w/w nickel, 0-20% w/w chromium, 0-20% w/w cobalt, 0-20% w/w platinum and 0-1% w/w further alloy elements. A metallic intermediary layer is arranged between the base body and the wear layer, which has a thickness...