IMMERSION LITHOGRAPHIC APPARATUS, METHOD OF PREVENTING OR REDUCING CONTAMINATION OF THE APPARATUS, AND METHOD OF MANUFACTURING DEVICE
PROBLEM TO BE SOLVED: To prevent or reduce contamination of an immersion lithographic apparatus.SOLUTION: The immersion lithographic apparatus is cleaned by use of a cleaning liquid consisting essentially of ultra-pure water and (a) a mixture of hydrogen peroxide and ozone, or (b) hydrogen peroxide...
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Main Authors | , , , , , , , , , |
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Format | Patent |
Language | English |
Published |
06.10.2011
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Subjects | |
Online Access | Get full text |
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Summary: | PROBLEM TO BE SOLVED: To prevent or reduce contamination of an immersion lithographic apparatus.SOLUTION: The immersion lithographic apparatus is cleaned by use of a cleaning liquid consisting essentially of ultra-pure water and (a) a mixture of hydrogen peroxide and ozone, or (b) hydrogen peroxide at a concentration of up to 5%, or (c) ozone at a concentration of up to 50 ppm, or (d) oxygen at concentration of up to 10 ppm, or (e) any combination selected from (a)-(d). |
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Bibliography: | Application Number: JP20110115335 |