ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,787,712, issued on Nov. 3, was assigned to SEMES Co. LTD. (Cheonan-si, South Korea).
"Transport hand ring transport system using the same" was invented by Jae Won Shin (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Proposed is a transport hand a ring transport system using the same and, more particularly, to a transport hand a ring transport system using the same with an improved structure to prevent a ring from being separated from a ring carrier during a ring transport process by temporarily fixing the ring using vacuum adsorption. The transport hand includes a support pad coupled to the upper surface to contact a wafer or ring carr...