ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,860, issued on May 20, was assigned to SUMITOMO METAL MINING Co. LTD. (Tokyo).
"Thick film resistor paste, thick film resistor, and electronic component" was invented by Masaki Ando (Tokyo) and Takahito Nagano (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "The thick film resistor paste for a resistor has no abnormalities of cracks in appearance and sufficient surge resistance, especially for low resistance, while using lead borosilicate glass. The thick film resistor paste comprises a silver powder or a palladium powder, or a mixture of both of the silver powder and the palladium powder, a ruthenium-oxide-containing glass powder and an organi...