The Hirata Corporation products page, provides information on 300 mm edge grip prealigner.
Wafer Handling Applications: edge-gripper, aligner, mapping sensor, thin wafer wand.
Products SAL2081 (Edge-grip type)
Logosol, Inc. - Wafer Pre-Aligners, Robotics, Precise Motion Control
Semiconductor, Pre-aligners
Logosol, Inc. - Wafer Pre-Aligners, Robotics, Precise Motion Control
GRIPEDGE Tools
Wafer Pre Aligner - Wa Series
Wafer Pre Aligner - Wa Series
DEVPROTEK, Inc. - Products - 300 mm Edge Grip End-Effector