ALEXANDRIA, Va., June 16 -- United States Patent no. 12,303,998, issued on May 20, was assigned to V TECHNOLOGY Co. LTD. (Kanagawa, Japan).
"Laser repair method and laser repair device" was invented by Michinobu Mizumura (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Even in the case where an underlayer differs or a film thickness varies, high-quality repair is allowed to be performed.When a laser repair method performs repair work by setting a laser irradiation area for a defect part of a multi-layer film substrate and irradiating the defect part with a laser beam under a set laser working condition, the laser repair method includes: identifying a peripheral region of a laser beam irradiati...