Patent ID: 8616598
Filing Date: 2013-12-31
Classification: G03F,H01L

Abstract:
1. An apparatus configured to handle an object in a contactless manner, the apparatus comprising: a carrying body having a carrying surface which is configured to be directed towards the object, the carrying surface being provided with a plurality of traction members and a plurality of overpressure members, each overpressure member being provided with at least one exhaust opening, each traction member being provided with an indentation and at least two suction openings that are arranged in the indentation, the at least two suction openings of each traction member being configured to generate a pressure gradient between them so as to create a traction fluid flow in the indentation in a direction substantially parallel to the carrying surface; a pressure controller configured to control the pressure gradient between the at least two suction openings of each traction member, and a control valve arrangement coupled to the at least two suction openings, the control valve arrangement controlled by the pressure controller to establish the pressure gradient between the at least two suction openings.