ALEXANDRIA, Va., June 25 -- United States Patent no. 12,340,988, issued on June 24, was assigned to SEMES Co. LTD. (Cheonan-si, South Korea).
"Ring carrier and substrate treating system" was invented by Mun Gi Jung (Suwon-si, South Korea) and Duk Hyun Son (Cheonan-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a ring carrier used for transferring a ring member. The ring carrier includes a body having a plate shape, and a guide part protruding from an upper surface of the body to face an inner periphery of the ring member, and an alignment hole used when the ring carrier is aligned is formed in the body to pass through the body."
The patent was filed on May 16, 2022, under Applic...