US Patent Issued to TEXAS INSTRUMENTS on Feb. 25 for "Contact with bronze material to mitigate undercut" (Texas Inventors)

ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,237,219, issued on Feb. 25, was assigned to TEXAS INSTRUMENTS Inc. (Dallas).

"Contact with bronze material to mitigate undercut" was invented by Nazila Dadvand (Richardson, Texas), Christopher Daniel Manack (Flower Mound, Texas) and Salvatore Frank Pavone (Murphy, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described examples provide microelectronic devices and fabrication methods, including fabricating a contact structure by forming a titanium or titanium tungsten barrier layer on a conductive feature, forming a tin seed layer on the barrier layer, forming a copper structure on the seed layer above the conductive feature of the wafer or die, h...