| 摘要 |
<p>In the present invention, disclosed is a slab inspection apparatus which can measure defects on a surface and the inside of a slab. The slab inspection apparatus of the present invention comprises: a housing arranged in an upper part of a transfer roller; a magnetic yoke installed in the housing, and generating magnetic field on the slab transferred by the transfer roller; and a magnetic sensing unit inspecting defects of the slab by sensing a magnetic speed generated by the slab.</p> |
