US Patent Issued to SK ON on Nov. 3 for "Master jig and equipment diagnosis method using the same" (South Korean Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,784,181, issued on Nov. 3, was assigned to SK ON Co. LTD. (Seoul, South Korea).

"Master jig and equipment diagnosis method using the same" was invented by Ung Bae Park (Daejeon, South Korea) and Do Young Kim (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A master jig and an equipment diagnosis method using the same are disclosed. The master jig may include a case and a marking member coupled to an outer surface of the case. The equipment diagnosis method may include a step of moving the master jig inserted into a transfer device in one direction, a step in which an optical system photographs an outer surface of the master jig to acq...