| 摘要 |
A method of generating an X-ray microbeam of the present invention generates an X-ray microbeam having a restricted divergence angle and desirable planeness in regions other than the focus. With this method, it is possible to compensate for a change in the degree of asymmetry ascriable to a change in the wavelength of X-rays selected, and therefore to maintain the degree of asymmetry constant. In addition, the condensing conditions including the energy of X-rays and beam size each can be set independently of the others. A device for practicing the above method is also disclosed.
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