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ILLUMINATOR, PROJECTION ALIGNING METHOD, PROJECTION ALIGNER, AND PROCESS FOR FABRICATING MICRODEVICE
ILLUMINATOR, PROJECTION ALIGNING METHOD, PROJECTION ALIGNER, AND PROCESS FOR FABRICATING MICRODEVICE
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机译:照明器,投影成象方法,投影成象器以及制造微器件的过程
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摘要
PROBLEM TO BE SOLVED: To provide an illuminator in which deterioration of a reflective element group for creating a secondary light source group can be suppressed.;SOLUTION: The illuminator comprises a reflective element group (3a) having a large number of reflective elements arranged in parallel in order to form a secondary light source group based on the luminous flux from a light source, a capacitor optical system (4) for introducing light from the secondary light source group to a surface being irradiated, and a means for removing a part of light directed toward a region on the reflective surface side of the reflective element group (3a). Light being removed by the removing means is such light as being directed toward a nonreflective region occurring in the above-mentioned region depending on the relationship of arrangement of the large number of reflective elements.;COPYRIGHT: (C)2006,JPO&NCIPI
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