X-RAY COMPUTER TOMOGRAPHY APPARATUS AND X-RAY DETECTOR

摘要

PROBLEM TO BE SOLVED: To provide an X-ray computer tomography apparatus and an X-ray detector capable of X-ray detection at a higher precision.SOLUTION: The X-ray computer tomography apparatus includes an X-ray detector including: a first semiconductor chip which includes plural elements which convert an X-ray into an electrical signal; a board which collects the electrical signals from the respective elements; a second semiconductor chip formed of the same material as the first semiconductor chip, which is disposed between the first semiconductor chip and the board; plural first electrodes connecting the respective elements on the first semiconductor chip to the second semiconductor chip; and plural second electrodes larger than the first electrodes, which connect the second semiconductor chip and the board. The second semiconductor chip wires the plural first electrodes and plural second electrodes in a one-to-one manner.SELECTED DRAWING: Figure 1