Patent ID: 6167322
Filing Date: 2000-12-26
Classification: H01L,Y10S

Abstract:
A system for handling wafers and the like substrate means, comprising, in combination:a hand assembly;a means for grasping, transporting and releasing said substrate means to be handled;at least a control means for programming and implementing a desired sequence of operations, andgrasping pressure control means dependent on the driving force fed to the means for graspingwherein said means for grasping, transporting and releasing said substrate means to be handled further comprise:a pair of fixed posts each having a central axis substantially perpendicular to the hand assembly;a rotating finger,means for positioning the axis of the rotating finger parallel to the axes of the fixed posts; andmeans to reversibly move the axis of the rotating finger toward the axes of the fixed postssaid means for positioning the axis of the rotating finger parallel to the axes of the fixed posts comprising a finger translating solenoid or voice coil.