X-ray CT apparatus

Details X-ray CT apparatus X-ray CT apparatus

2006-12-19

2010-12-07

Song, Hoon (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

C378S004000

Reexamination Certificate

active

07848481

ABSTRACT:
In an X-ray CT apparatus, an X-ray source and an X-ray detector mounted in a guide arm are freely movable in such a direction as to approach to and separate from a sample. With respect to this movement, the center of gravity of the whole containing respective constituent elements mounted in the guide arm is kept on the rotational axis by a weight balance adjusting mechanism. The weight balance adjusting mechanism contains a movable weight which is freely movable to the guide arm. The movement of the movable weight is controlled so that a difference between the rotational moment around the rotational axis is offset and substantially equal to zero. The moving passage of the movable weight is set on a straight line which is parallel to the moving direction of the X-ray source and the X-ray detector and does not pass through the rotational axis.

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Y. Arai, et al.; “Micro-computed tomography newly developed for in vivo small animal imaging”, Oral Radiology, vol. 21, No. 1, 2005. 07, pp. 14-18.

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