ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,187, issued on Dec. 2, was assigned to DISCO Corp. (Tokyo).
"Wafer production system and wafer manufacturing method" was invented by Kazuya Hirata (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A water production system includes a filter unit that filters water to produce clear water, an ultraviolet light irradiator that irradiates, with ultraviolet light, the clear water produced by the filter unit, thereby degrading organic matter in the clear water, an ion exchange resin unit that purifies the clear water, in which the organic matter has been degraded by the ultraviolet light irradiator, into pure water, and a deaerated water production uni...