Patent ID: 6164894
Filing Date: 2000-12-26
Classification: G01R,H01L,Y10S

Abstract:
An integrated wafer handling and testing apparatus comprising:a) a wafer handling assembly moveable as a unit in an x-y plane and which removes a wafer from a wafer carrier, said wafer handling assembly including:i) a support arm;ii) an end effector, coupled to said support arm, for supporting said wafer; andiii) a sensor, coupled to said support arm, for detecting an edge of said wafer;b) a chuck including a platform, said platform operative to move in a z-direction approximately perpendicular to a surface of said platform, wherein said wafer is transportable to said platform from said wafer handling assembly and to said wafer handling assembly from said platform; andc) a test head that contacts said wafer while said wafer is on said chuck.