Patent ID: 6364595
Filing Date: 2002-04-02
Classification: G03F,H01L,Y10S

Abstract:
A reticle transfer device affixed to a minienvironment, the minienvironment being part of or adjacent to a process tool, the reticle transfer device comprising:a plate for receiving the reticle and presenting the reticle for transfer; and a transfer assembly, including: an arm capable of rotation and translation, and a gripping mechanism rotationally mounted to said arm for gripping the reticle, said gripping mechanism including an active gripper capable of being driven between a first retracted position where said gripping mechanism does not engage the reticle, and a second extended position where said gripping mechanism engages the reticle, said active gripper including a vertical surface for engaging a vertical edge of the reticle, said active gripper further including an angled surface mounted at a bottom of said vertical surface, said angled surface capable of engaging an angled chamfer formed on a bottom of the reticle.