Detector and DAS, and X-ray computed tomography apparatus
According to one embodiment, detector and DAS includes an X-ray detector, a board, a DAS, and a plurality of X-ray shielding plates. The X-ray detector detects X-rays and generates an electrical signal corresponding to the detected X-rays. The board is coupled to the X-ray detector and includes a wiring pattern to extract the electrical signal from the X-ray detector. The DAS is coupled to the board and included an electronic part to perform signal processing for the electrical signal. The X-ray shielding plates are provided for the board to prevent the electronic part from being exposed to X-rays transmitted through the X-ray detector. A portion of the wiring pattern is placed between the X-ray shielding plates.
1. A detector and DAS comprising:
an X-ray detector configured to detect X-rays and generate an electrical signal corresponding to the detected X-rays;
a board coupled to a back surface the X-ray detector and including a wiring pattern to extract the electrical signal from the X-ray detector;
a data acquisition circuit coupled to a back surface the board and including an electronic part to perform signal processing for the electrical signal; and
a plurality of X-ray shielding plates provided for the board to prevent the electronic part from being exposed to X-rays transmitted through the X-ray detector,
wherein the wiring pattern connects the X-ray detector and the data acquisition circuit and detours around the X-ray shielding plates,
wherein a portion of the wiring pattern is placed between the X-ray shielding plates, and
wherein a portion of the wiring pattern is placed between the X-ray shielding plates, and
wherein the plurality of X-ray shielding plates are provided to overlap each other when viewed from an incident direction of the X-rays.
2. The detector and DAS of claim 1 , wherein the X-ray shielding plates are arranged between the electronic part and the X-ray detector so as to cover the electronic part.
3. The detector and DAS of claim 1 , wherein the board comprises a plurality of sub-boards, and
the X-ray shielding plates are provided for the sub-boards.
4. The detector and DAS of claim 3 , wherein the X-ray shielding plates are provided in a staggered pattern.
5. An X-ray computed tomography apparatus comprising:
an X-ray tube configured to generate X-rays;
a detector and DAS configured to detect X-rays generated from the X-ray tube and transmitted through an subject and generate raw data in accordance with the detected X-rays; and
a support mechanism configured to rotatably support the X-ray tube and the detector and DAS,
wherein the detector and DAS comprises
an X-ray detector configured to detect X-rays and generate an electrical signal corresponding to the detected X-rays,
a board coupled to a back surface of the X-ray detector and including a wiring pattern to extract the electrical signal from the X-ray detector,
a data acquisition circuit coupled to a back surface of the board and including an electronic part to perform signal processing for the electrical signal, and
a plurality of X-ray shielding plates provided for the board to prevent the electronic part from being exposed to X-rays transmitted through the X-ray detector, wherein
the wiring pattern connects the X-ray detector and the data acquisition circuit and detours around the X-ray shielding plates,
a portion of the wiring pattern is placed between the X-ray shielding plates, and
the plurality of X-ray shielding plates are provided to overlap each other when viewed from an incident direction of the X-rays.
6. The X-ray computed tomography apparatus of claim 5 , wherein the X-ray shielding plates are arranged between the electronic part and the X-ray detector so as to cover the electronic part.
7. The X-ray computed tomography apparatus of claim 5 , wherein the board comprises a plurality of sub-boards, and
the X-ray shielding plates are provided for the sub-boards.
8. The X-ray computed tomography apparatus of claim 7 , wherein the X-ray shielding plates are provided in a staggered pattern.