ALEXANDRIA, Va., June 16 -- United States Patent no. 12,654,258, issued on June 16, was assigned to DISCO Corp. (Tokyo).
"Electrode welding method and electrode welding apparatus" was invented by Yuki Ikku (Tokyo) and Youngsuk Kim (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electrode welding method includes a laser irradiation apparatus preparation step of preparing a laser irradiation apparatus including a laser oscillator that emits a laser beam with a wavelength having absorbability with respect to a semiconductor chip and a spatial light modulator that adjusts the energy distribution of the laser beam emitted by the laser oscillator, an electrode positioning step of positioning, correspondin...