ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,484,147, issued on Nov. 25, was assigned to MURATA MANUFACTURING Co. LTD. (Nagaokakyo, Japan).
"Circuit board" was invented by Kumiko Ishikawa (Nagaokakyo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A circuit board that includes a ceramic substrate; a protruding electrode on a surface of the ceramic substrate; and a protective layer containing a metal oxide and covering at least a portion of a lateral surface of the protruding electrode and extending continuously across a boundary between the portion of the lateral surface of the protruding electrode and the surface of the ceramic substrate."
The patent was filed on Dec. 27, 2023, under Appli...