Patent Number: 052395669
Section: claims

1. A multi-layered mirror comprising: a substrate;  first layers of a first substance; and  second layers of a second substance;  wherein said first layers and said second layers are alternately laminated on said substrate;  the difference in refractive index in the soft X-ray region of said first substance from vacuum is larger than that of said second substance; and  said first substance is a nickel-chromium alloy containing chromium in a proportion of 5% by weight or larger, or of pure chromium.  a substrate;  first layers of a first substance; and  second layers of a second substance; wherein said first layers and said second layers are alternately laminated on said substrate;  the difference in refractive index in the soft X-ray region of said first substance from vacuum is larger than that of said second substance; and  said first substance is a nickel-chromium alloy containing chromium in a proportion of 5% by weight or larger.  an ellipsoidal multi-layered condenser mirror including a substrate, first layers of a first substance, and second layers of a second substance, with said first layers and said second layers being alternately laminated on said substrate, the difference in refractive index in the soft X-ray region of said first substance from vacuum being larger than that of said second substance, and said first substance being a nickel-chromium alloy containing chromium in a proportion of 5% by weight or larger;  an X-ray source and a specimen positioned respectively on two focal points of said condenser mirror;  an imaging optical system capable of focusing X-rays; and  a detector for detecting X-rays irradiating the specimen.  a substrate;  first layers of a first substance; and  second layers of a second substance;  wherein said first layers and said second layers are alternately laminated on said substrate;  the difference in refractive index in the soft X-ray region of said first substance from vacuum is larger than that of said second substance; and  said second substance is vanadium oxide.  a substrate;  first layers of a first substance; and  second layers of a second substance;  wherein said first layers and said second layers are alternatively laminated on said substrate;  the difference in refractive index in the soft X-ray region of said first substance from vacuum is larger than that of said second substance; and  said second substance is vanadium oxide.  an ellipsoidal multi-layered condenser mirror including a substrate, first layers of a first substance, sand second layers of a second substance, with said first layers and said second layers being alternately laminated on said substrate, the difference in refractive index in the soft X-ray region of said first substance from vacuum being larger than that of said second substance, and said second substance being vanadium oxide;  an X-ray source and a specimen positioned respectively on two focal points of said condenser mirror;  an imaging optical system capable of focusing X-rays; and  a detector for detecting X-rays irradiating the specimen. 2. A multi-layered mirror according to claim 1, wherein said second substance is selected from the group consisting of vanadium oxide, silicon oxide and carbon. 3. An ellipsoidal multi-layered condenser mirror comprising: 4. A multi-layered condenser mirror according to claim 3, wherein said second substance is selected from the group consisting of vanadium oxide, silicon oxide and carbon. 5. An X-ray microscope comprising: 6. An X-ray microscope according to claim 5, wherein said second substance is selected from the group consisting of vanadium oxide, silicon oxide and carbon. 7. An X-ray microscope according to claim 6, wherein said imaging optical system includes a zone plate. 8. An X-ray microscope according to claim 5 wherein said imaging optical system includes a zone plate. 9. A multi-layered mirror comprising: 10. A multi-layered mirror according to claim 9, wherein said first substance is chromium alloy. 11. An ellipsoidal multi-layered condenser mirror, comprising: 12. An ellipsoidal multi-layered condenser mirror according to claim 11, wherein said first substance is chromium alloy. 13. An X-ray microscope comprising: 14. An X-ray microscope according to claim 13; wherein said first substance is chromium alloy. 15. An X-ray microscope according to claim 14, wherein said imaging optical system includes a zone plate. 16. An X-ray microscope according to claim 13, wherein said imaging optical system includes a zone plate.