Invention Application
WO2013071940A1 LIGHT MODULATOR AND ILLUMINATION SYSTEM OF A MICROLITHOGRAPHIC PROJECTION EXPOSURE APPARATUS 审中-公开
微电子投影曝光装置的光调制器和照明系统

LIGHT MODULATOR AND ILLUMINATION SYSTEM OF A MICROLITHOGRAPHIC PROJECTION EXPOSURE APPARATUS
Abstract:
An illumination system of a microlithographic projection exposure apparatus comprises a light modulator (38) which includes a modulator substrate (70) and an array of mirrors (42a, 42b, 42c) that are supported by the modulator substrate (70). At least some adjacent mirrors partly overlap. The light modulator further comprises a plurality of actuators (86, 88) that are supported by the modulator substrate (70) and are configured to tilt the mirrors (42a, 42b, 42c) individually.
Patent Agency Ranking
0/0