ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,126, issued on May 13, was assigned to DISCO Corp. (Tokyo).
"Operation accuracy measuring method" was invented by Atsushi Oda (Tokyo), Yoshinobu Saito (Tokyo) and Hirohide Yano (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An operation accuracy measuring method for measuring the operation accuracy of a linear motion mechanism includes the steps of placing on a support table a measuring jig having a flat lower surface, a parallel surface opposite and parallel to the lower surface, and a slanted surface joined to the parallel surface through a straight boundary line, adjusting the position of the measuring jig to allow the white light interfer...