ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,411,411, issued on Sept. 9, was assigned to SEMICON TECH GLOBAL Ltd. (Seongnam-si, South Korea).
"Cover device for photoresist container" was invented by Soon Suk Hong (Seongnam-si, South Korea), Sun Seock Moon (Yongin-si, South Korea), Kwon Su Kim (Hwaseong-si, South Korea) and Se Hyun Jang (Yongin-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cover device includes a guide module which is coupled to an upper end portion of the container, has an upward inclination at a predetermined angle, has an inclined protruding unit that protrudes, and is formed with a communication port through which the inside and the outside of the housing sp...