US Patent 12076863 Autoteach system

An autoteach system includes an autoteach pin that is a scannable feature having a fixed position within the autoteach system. The autoteach pin enables an autoteach operation of a robot arm of the wafer processing system. The autoteach operation is an operation to automatically teach the fixed position within the autoteach system to the robot arm of the wafer processing system. The autoteach pin includes a first portion including a cylindrical sidewall. The robot arm is to use the first portion to locate the fixed position within the autoteach system. The autoteach portion further includes a second portion including planar sidewalls that are configured to enable calibration of robot arm error.