Patent Number: 053944518
Section: claims

1. A semiconductor device manufacturing method comprising: transforming a synchrotron radiation beam emitted from an emission point of a synchrotron ring into a substantially parallel beam, with respect to a first direction, which is parallel to an orbit plane of the synchrotron ring and with respect to a second direction, which is perpendicular to the orbit plane, by using an optical system including a first mirror of toroidal shape and a second mirror of cylindrical shape; and  projecting the obtained parallel radiation beam to a mask having a circuit pattern to transfer the circuit pattern of the mask to a wafer.  transforming a synchrotron radiation beam emitted from an emission point of a synchrotron ring into a substantially parallel beam, with respect to a first direction, which is parallel to an orbit plane of the synchrotron ring and with respect to a second direction, which is perpendicular to the orbit plane, by using an optical system including a first mirror of toroidal shape and a second mirror of cylindrical shape; and  projecting the obtained parallel radiation beam to a mask having a circuit pattern to transfer the circuit pattern of the mask to a wafer.  an optical system including a first mirror of toroidal shape and a second mirror of cylindrical shape, for transforming synchrotron radiation light emitted from an emission point of a synchrotron ring into a substantially parallel beam, with respect to a first direction, which is parallel to an orbit plane of the synchrotron ring and with respect to a second direction, which is perpendicular to the orbit plane,  wherein an absolute value of a focal length of said optical system in the first direction is smaller than that in the second direction.  means for holding the original and the substrate in a predetermined positional relationship; and  an illumination system for providing a radiation beam for transferring the pattern of the original onto the substrate, said illumination system comprising an optical system including a first mirror of toroidal shape and a second mirror of cylindrical shape, for transforming synchrotron radiation light emitted from an emission point of the synchrotron ring into a substantially parallel beam, with respect to a first direction, which is parallel to an orbit plane of the synchrotron ring and with respect to a second direction, which is perpendicular to the orbit plane,  wherein an absolute value of a focal length of said optical system in the first direction is smaller than that in the second direction.  a synchrotron ring; and  a plurality of exposure apparatuses each comprising (i) means for holding an original and a substrate in a predetermined positional relationship, and (ii) an illumination system for providing a radiation beam for transferring a pattern of the original onto the substrate, said illumination system comprising an optical system including a first mirror of toroidal shape and a second mirror of cylindrical shape, for transforming synchrotron radiation light emitted from an emission point of the synchrotron ring into a substantially parallel beam, with respect to a first direction, which is parallel to an orbit plane of the synchrotron ring and with respect to a second direction, which is perpendicular to the orbit plane,  wherein an absolute value of a focal length of said optical system in the first direction is smaller than that in the second direction. 2. A semiconductor device manufactured by a method, which comprises: 3. An optical arrangement comprising: 4. An optical arrangement according to claim 3, wherein said first mirror has a curvature concave in the first direction and convex in the second direction and said second mirror has a curvature infinite in the first direction and concave in the second direction [for collecting the synchrotron radiation light in the second direction. 5. An optical arrangement according to claim 3, wherein said optical system comprises a reflecting mirror having a reflecting surface provided by a single-layer film. 6. An optical arrangement according to claim 3, wherein said optical system comprises a reflecting mirror having a reflecting surface provided by a multilayered film. 7. A synchrotron orbit radiation exposure apparatus usable with a synchrotron ring, for transferring a pattern of an original onto a substrate, said apparatus comprising: 8. An apparatus according to claim 7, further comprising an exposure adjusting mechanism for adjusting the amount of exposure for the pattern transfer. 9. An apparatus according to claim 7, further comprising a position adjusting mechanism for adjusting the relative positional relationship between the original and the substrate. 10. A synchrotron orbit radiation exposure system, comprising: