Abstract: A wafer transfer apparatus includes a controller, a wafer transfer robot including a hand unit configured to hold a wafer, a driving unit connected to the hand unit and configured to move the wafer, and a sensor unit provided on the driving unit, and a plurality of transfer structures configured to exchange the wafer with the wafer transfer robot, each of the plurality of transfer structures including a plurality of markers recognizable by the sensor unit, where the sensor unit includes a camera sensor recognizing the plurality of markers and a laser sensor configured to measure distances to the plurality of markers by emitting a laser to the plurality of markers and receiving the laser reflected from the plurality of markers.

Abstract: A semiconductor substrate processing apparatus includes a substrate transfer module including a chamber having an internal space extending in a first direction within the chamber, at least one pair of first load ports at opposite sides of the chamber, to face in a second direction intersecting the first direction, and configured to rotate and move a substrate carrier, a load lock at a rear surface of the chamber, and a robot arm configured to move in the first direction in the internal space of the chamber, a transfer chamber connected to the load lock of the substrate transfer module, a plurality of processing chambers connected to the transfer chamber, and a transfer arm inside the transfer chamber, and configured to unload the semiconductor substrate from the load lock and to load the semiconductor substrate into at least one of the plurality of processing chambers.

Abstract: A wafer processing apparatus may include a plurality of equipment front end modules (EFEMs), a wafer transfer chamber, a wafer processing chamber, and a wafer transfer arm. Each of the plurality of EFEMs may include an EFEM chamber, a plurality of load ports provided at a side of the EFEM chamber, and a load lock provided at a side of the EFEM chamber to overlap with at least one of the plurality of load ports in a vertical direction.