ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,780,527, issued on Nov. 3.
"Wafer storage container" was invented by Bum Je Woo (Seongnam-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Proposed is a wafer storage container that supplies a purge gas to wafers stored in a storage chamber to remove fumes from the wafers or control humidity of the wafers. More particularly, proposed is a wafer storage container that generates a flow of a purge gas inside a storage chamber to block an external gas from flowing into the storage chamber and minimize dead areas on a wafer, thereby effectively achieving humidity control and fume removal for the wafer."
The patent was filed on March 4, 2025, un...