ELECTROSTATIC HOLDER, OBJECT TABLE AND LITHOGRAPHIC APPARATUS
The invention relates to an electrostatic holder comprising: a body, and a clamping element attached to the body, said clamping element comprising an electrode for applying an attractive force between the clamping element and a first to be clamped object, wherein an outer edge of the body is configu...
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Main Authors | , , , , , , , , , , |
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Format | Patent |
Language | English French |
Published |
16.02.2023
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Subjects | |
Online Access | Get full text |
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Summary: | The invention relates to an electrostatic holder comprising: a body, and a clamping element attached to the body, said clamping element comprising an electrode for applying an attractive force between the clamping element and a first to be clamped object, wherein an outer edge of the body is configured to provide a gap between the outer edge of the body and the first to be clamped object, which gap is configured for outputting a fluid for reducing dust particles reaching the first to be clamped object or a second to be clamped object on an opposite side of the holder.
L'invention concerne un support électrostatique qui comprend : un corps et un élément de serrage fixé au corps, ledit élément de serrage comprenant une électrode servant à appliquer une force d'attraction entre l'élément de serrage et un premier objet à serrer, un bord externe du corps étant conçu pour fournir un espace entre le bord externe du corps et le premier objet à serrer, ledit espace étant conçu pour délivrer un fluide servant à réduire le nombre de particules de poussière qui atteignent le premier objet à serrer ou un second objet à serrer sur un côté opposé du support. |
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Bibliography: | Application Number: WO2022EP69567 |