ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,220,840, issued on Feb. 11, was assigned to DISCO Corp. (Tokyo).
"Sheet sticking apparatus" was invented by Yoshinori Kakinuma (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sheet sticking apparatus includes a sticking unit that sticks a sheet to a workpiece held by a chuck table and a cutting unit that cuts the stuck sheet. The cutting unit includes a cutting blade that cuts the sheet, a movement unit that raises and lowers the cutting blade from and toward the chuck table or moves the cutting blade along the outer circumference of the workpiece, and a cleaning part that removes adhering things of the cutting blade. The cleaning part is dispos...