ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,592, issued on Jan. 27, was assigned to TANAKA PRECIOUS METAL TECHNOLOGIES Co. Ltd. (Tokyo).
"Metal paste" was invented by Hiroki Sato (Tsukuba, Japan), Yuki Fujita (Tsukuba, Japan), Teruhisa Iwai (Tsukuba, Japan), Yuusuke Ohshima (Tsukuba, Japan), Shuntaro Takahashi (Tsukuba, Japan) and Shigeyuki Ootake (Tsukuba, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a metal paste for forming a metal wiring containing a solid content of a silver particle and kneaded with a solvent. The solid content of the metal paste contains a silver particle having prescribed particle size distribution and average particle size, an...