Patent ID: 11924972
Assignee: APPLIED MATERIALS, INC.
Field: Semiconductors (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 4:
5. The diagnostic disc of claim 4,
wherein a diameter of the disc-shaped body is about 310 mm to about 320 mm,
wherein a first non-contact sensor on the first protrusion is positioned at about 295 mm to about 305 mm from an outer perimeter of the disc-shaped body, and
wherein each of a second non-contact sensor, a third non-contact sensor, and a fourth non-contact sensor on each of the second protrusion, the third protrusion, and the fourth protrusion, respectively, are positioned at about 310 mm to about 320 mm from the outer perimeter of the disc-shaped body.