| 摘要 |
<p>Disclosed is an X-ray source (1) comprising an X-ray generating unit having an X-ray tube and emitting an X-ray to the outside, and a circuit board holder (49) contained in a casing (3) and supporting circuit boards (35, 37). A driving power supply unit (39) for supplying driving power to the X-ray generating unit is arranged between a first flat plate portion (46) and a second flat plate portion (48) respectively supporting the circuit boards (35, 37). A cooling fan is disposed in the casing (3) for having a cooling wind flow between the first flat plate portion (46) and the second flat plate portion (48).</p> |
