| 摘要 |
A device for inspecting an article, in which a radiation source irradiates a plane-shaped radiation to an article in order to inspect the content of the article without destroying it. Scattered radiation from the article is applied to a radiation detector through a slit which is formed coincident with a line passing through a focus of the radiation source and which continuously passes a constant full field of scattered radiation. The radiation detector is disposed in parallel with the slit and scattered radiation detected by the radiation detector is displayed as an image of the region of the article which was irradiated by the plane-shaped radiation.
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