Method of manufacturing a miniaturized device

Details Method of manufacturing a miniaturized device Method of manufacturing a miniaturized device

2005-11-18

2009-11-24

Kim, Peter B (Department: 2851)

Photocopying

Projection printing and copying cameras

With temperature or foreign particle control

C355S053000

Reexamination Certificate

active

07623218

ABSTRACT:
A method of manufacturing a miniaturized device comprises disposing a patterning structure to be imaged in a region of an object plane of an imaging optics of the projection exposure system; disposing a substrate carrying a resist in a region of an image plane of the imaging optics and exposing portions of the substrate with images of the patterning structure using the projection exposure system; maintaining a flow of an immersion liquid to and from a space between the substrate and a front lens of the imaging optics closest to the substrate; measuring a physical property which is indicative of at least one of a refractive index of the immersion liquid and a change of the refractive index of the immersion liquid over time, wherein the physical property is measured using a beam of measuring light interacting with the immersion liquid; adjusting at least one optical property of the projection exposure system based on the measured physical property; exposing further portions of the substrate with images of the patterning structure using the projection exposure system with the at least one adjusted optical property of the projection exposure system; and developing the exposed resist and processing the substrate with the developed resist.

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