METHOD FOR MANUFACTURING ILLUMINANCE ADJUSTMENT FILTER, ILLUMINANCE ADJUSTMENT FILTER, LIGHTING OPTICAL SYSTEM, AND EXPOSURE DEVICE

This method for manufacturing an illuminance adjustment filter comprises steps of: measuring illuminance I(i) at an arbitrary point i (i is an integer) on an exposure surface with no optical filter (90) placed in an optical path EL; calculating the optical transmittance distribution for each cell (9...

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Bibliographische Detailangaben
1. Verfasser: KAWASHIMA Hironori
Format: Patent
Sprache:eng ; fre ; jpn
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