Patent ID: 9030649
Filing Date: 2015-05-12
Classification: B82Y,G03B,G03F,H01J,H02K

Abstract:
1. Target positioning device, in particular for a lithography system, comprising a carrier for carrying a target, a stage for carrying and moving the carrier along a first direction (X), wherein said stage comprising two X-stage bases, both arranged on top of a common base plate, wherein each X-stage base carries an X-stage carriage, and a Y-beam comprising a Y stage for carrying said carrier and moving said carrier in a second direction (Y), wherein said Y-beam bridges the space between the X-stage carriages and is connected to the X-stage carriages via a flexible coupling, and two motors each for driving a corresponding X-stage carriage along its corresponding X-stage base, wherein the two motors are arranged at least substantially below the stage and each motor of said two motors is coupled to an eccentric cam or crank which is connected to the corresponding X-stage carriage via a crank shaft.