Patent ID: 8276959
Filing Date: 2012-10-02
Classification: B23Q,B25J,H01F,H01L

Abstract:
1. A pad assembly for an end effector, the pad assembly comprising: a base member adapted to secure the pad assembly to the end effector, the base member comprising a ferromagnetic material that is configured to be attached to the end effector by magnetic force, wherein the base member has a first side for contacting the end effector and a second side opposing the first side; a pad member coupled to the base member, wherein the pad member has a first side in contact with the second side of the base member and a second side opposing the first side of the pad member, and at least a portion of the second side of the pad member is raised to form a contacting area for receiving and supporting a substrate; and a fastening means to join the base member and the pad member, wherein the base member has two columns extending from the first side, and the two columns are configured to fit in recesses formed in the end effector.