Method for adusting a first element of a lithography apparatus towards a second element of a lithography apparatus by a tunable spacer

A method adjusts a first element of a lithography apparatus toward a second element of the lithography apparatus via a tunable spacer which is arranged between the first element and the second element. The method includes: determining an actual location of the first element; determining a nominal lo...

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1. Verfasser: Pnini, Boaz
Format: Patent
Sprache:eng
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Zusammenfassung:A method adjusts a first element of a lithography apparatus toward a second element of the lithography apparatus via a tunable spacer which is arranged between the first element and the second element. The method includes: determining an actual location of the first element; determining a nominal location of the first element; unloading the tunable spacer; adjusting a height of the tunable spacer to bring the first element from the actual location to the nominal location; and loading the tunable spacer.