LITHOGRAPHIC EQUIPMENT, DEVICE MANUFACTURING METHOD, AND POSITIONING SYSTEM

PROBLEM TO BE SOLVED: To provide lithographic equipment, a device manufacturing method, and a positioning system. SOLUTION: The lithographic equipment comprises the positioning system having a first and a second electromagnetic actuators. Each actuator comprises two electromagnetic elements which mu...

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Hauptverfasser: BUIS EDWIN JOHAN, HOL SVEN ANTOIN JOHAN, VREUGDEWATER PATRICIA
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide lithographic equipment, a device manufacturing method, and a positioning system. SOLUTION: The lithographic equipment comprises the positioning system having a first and a second electromagnetic actuators. Each actuator comprises two electromagnetic elements which mutually working together. These electromagnetic elements can move, with respect to each other by a force acting on the elements of each actuator. At least one side of the actuators comprises a shield for shielding one side of the actuators against a place generated by the other side of the actuators. This method can prevent a shielded actuator from being acted upon by a jamming force generated by the field. Further, a positioning system having actuators such as these is included. COPYRIGHT: (C)2005,JPO&NCIPI