Frame Assembly, Lithographic Apparatus and Device Manufacturing Method

A lithographic apparatus or frame assembly, comprising: a first and second pneumatic support, being arranged to control position of a frame, each of said pneumatic supports accommodating a pressure chamber; a frame position control system, comprising; a first position sensor device, configured to ge...

Full description

Saved in:
Bibliographic Details
Main Authors STARREVELD, Jeroen Pieter, DE BEER, Joep Sander, WIJCKMANS, Maurice Willem Jozef Etiënn, VAN DUIJNHOVEN, Martinus, DE HOON, Cornelius Adrianus Lambertus, BUTLER, Hans
Format Patent
LanguageEnglish
Published 05.08.2021
Subjects
Online AccessGet full text

Cover

Loading…
More Information
Summary:A lithographic apparatus or frame assembly, comprising: a first and second pneumatic support, being arranged to control position of a frame, each of said pneumatic supports accommodating a pressure chamber; a frame position control system, comprising; a first position sensor device, configured to generate measurement data relating to the position of the frame; a first pressure controller, configured to control the pressure in the pressure chamber of the first pneumatic support on the basis of the measurement data generated by the first position sensor device; a pressure differential sensor device, configured to generate data relating to the difference between the pressure in the pressure chambers of the first and the second pneumatic support; a second pressure controller, configured to control the pressure in the pressure chamber of the second pneumatic support on the basis of the measurement data from the pressure differential sensor device.
Bibliography:Application Number: US201917049719