i-Operator is a semi-humanoid robot series, integrating a mobile robot (AMR) with a collaborative robot arm (Cobot). It resembles a human operator loading and unloading production lots in semiconductor manufacturing. The production lots may come in various form such as Reticle Pod, Open Cassette, SMIF, FOUP, FOSB, Frame Cassette, Magazine, JEDEC Tray, Shipping Box, etc. i-Operator has many end-effector designs to meet the handling requirement for different lot types.