Patent ID: 6081581
Filing Date: 2000-06-27
Classification: G03F,G21K

Abstract:
An X-ray illumination system, comprising:first and second X-ray mirrors for reflecting a synchrotron radiation beam, sequentially;driving means for changing at least one of position and attitude of each of said first and second X-ray mirrors;first measuring means for detecting a synchrotron radiation beam impinging on said first X-ray mirror;second measuring means for measuring at least one of position and attitude of said first X-ray mirror with respect to a predetermined reference, or at least one of relative position and relative attitude between said first and second X-ray mirrors;first control means for controlling drive of said first X-ray mirror on the basis of the measurement by said first measuring means; andsecond control means for controlling drive of said second X-ray mirror on the basis of the measurement by said second measuring means.