ALEXANDRIA, Va., July 3 -- United States Patent no. 12,343,836, issued on July 1, was assigned to DISCO Corp. (Tokyo).
"Treatment method of workpiece" was invented by Yuta Takemura (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A treatment method of a workpiece includes a positional relation storing step of storing a positional relation between a reference point of the workpiece and an identification mark to identify the workpiece, holding the workpiece over a holding table, imaging the workpiece by an imaging unit and detecting the reference point. The treatment method includes also a reading step of detecting the identification mark on the basis of the positional relation recorded in the positional ...