APPARATUS FOR EUV IMAGING AND METHODS OF USING SAME
One embodiment relates to an apparatus that includes an illumination source (102) for illuminating a target substrate (106), objective optics (108) for projecting the EUV light which is reflected from the target substrate, and a sensor (110) for detecting the projected EUV light. The objective optic...
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Zusammenfassung: | One embodiment relates to an apparatus that includes an illumination source (102) for illuminating a target substrate (106), objective optics (108) for projecting the EUV light which is reflected from the target substrate, and a sensor (110) for detecting the projected EUV light. The objective optics includes a first mirror (202,302, or 402) which is arranged to receive and reflect the EUV light which is reflected from the target substrate, a second mirror (204, 304, or 404) which is arranged to receive and reflect the EUV light which is reflected by the first mirror, a third mirror (206, 306, or 406) which is arranged to receive and reflect the EUV light which is reflected by the second mirror, and a fourth mirror (208, 308, or 408) which is arranged to receive and reflect the EUV light which is reflected by the third mirror. |
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