Tohoku Univ. Technology : Distributed curvature crystal lens and X-ray reflectance measurement device : T07-098
Distributed curvature crystal lens and X-ray reflectance measurement device
In a conventional X-ray monochromator, the spectroscopic crystal is elastically bent slightly, then polished to obtain a uniform diffraction. However, this method where the crystal is deformed within the elastic limit, cannot be applied for a large curvature bending, so it can only be used for a big X-ray device. Moreover, there is also an issue on the deformation stability and aging due to keeping the crystal deformed. This invention is able to realize a distributed curvature crystal lens with a wide incident angle and high light focusing accuracy. This distributed curvature crystal lens is made by plastic deformation of Ge or Si (110) single crystal plate pressed by a mold at high temperature. The X-ray reflectance measurement system of this invention is equipped with above lens which enables to focus a wide angle and significantly increase X-ray intensity.
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The revenue generated from technology transfer is reinvested as new research funding for universities and researchers, and is utilized to create further research outcomes. To ensure the smooth operation of this cycle, known as the "Intellectual Creation Cycle," we will vigorously promote technology transfer. The types of seeds we handle include patents, know-how, databases, and programs. We have established a collaborative framework by signing basic technology transfer agreements with the following universities (as of June 1, 2025): Tohoku University, Hirosaki University, Iwate University, Akita University, Fukushima University, Yamagata University, Tohoku Gakuin University, Iwate Medical University, Fukushima Medical University, Aizu University, Miyagi University, Hokkaido University, Muroran Institute of Technology, and Showa Medical University.
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