Radiation image capturing apparatus

Patent metadata

Field	Value
Publication number	US-11520057-B2
Application number	US-202017029977-A
Country	US
Kind code	B2
Filing date	Sep 23, 2020
Priority date	Mar 26, 2018
Publication date	Dec 6, 2022
Grant date	Dec 6, 2022

Abstract

A radiation image capturing apparatus includes a sensor substrate including a flexible base material and plural pixels that accumulate charges generated in accordance with radiation, a flexible first cable including one ends electrically connected to a connection region disposed at a predetermined side of the sensor substrate, a first circuit substrate electrically connected to the other end of the first cable and in which a first component used for processing a digital signal in a circuit unit driven in a case of reading out the charges in the plural pixels is mounted, a flexible second cable including one end electrically connected to a connection region disposed at a side different from the predetermined side, and a second circuit substrate electrically connected to the other end of the second cable and in which a second component used for processing an analog signal in the circuit unit is mounted.

First claim

What is claimed is:

1. A radiation image capturing apparatus comprising:
a sensor substrate including a flexible base material and a plurality of pixels accumulating electric charges generated in accordance with radiation;
a flexible first cable of which one end is electrically connected to a connection region disposed on a predetermined side of the sensor substrate;
a first circuit substrate that is electrically connected to the other end of the first cable;
a flexible second cable of which one end is electrically connected to a connection region disposed on a side different from the predetermined side of the sensor substrate; and
a second circuit substrate that is electrically connected to the other end of the second cable, wherein
the first circuit substrate is mounted with a plurality of first components used for processing a digital signal in a driving unit driven in a case of reading out the electric charges accumulated in the plurality of pixels, and
the second circuit substrate is mounted with a plurality of second components used for processing an analog signal in a signal processing unit driven in the case of reading out the electric charges accumulated in the plurality of pixels.

2. The radiation image capturing apparatus according to claim 1 , wherein
the first component includes driving components of a driving unit that reads out the electric charges from the plurality of pixels.

3. The radiation image capturing apparatus according to claim 2 , wherein
the second component includes signal processing components of a signal processing unit into which an electric signal corresponding to the electric charges accumulated in the plurality of pixels is input and that generates and outputs image data corresponding to the input electric signal.

4. The radiation image capturing apparatus according to claim 2 , wherein the first circuit substrate is a flexible substrate.

5. The radiation image capturing apparatus according to claim 2 , wherein
the second circuit substrate is a non-flexible substrate.

6. The radiation image capturing apparatus according to claim 1 , wherein
the second component includes signal processing components of a signal processing unit into which an electric signal corresponding to the electric charges accumulated in the plurality of pixels is input and that generates and outputs image data corresponding to the input electric signal.

7. The radiation image capturing apparatus according to claim 6 , wherein the first circuit substrate is a flexible substrate.

8. The radiation image capturing apparatus according to claim 6 , wherein
the second circuit substrate is a non-flexible substrate.

9. The radiation image capturing apparatus according to claim 1 , wherein the first circuit substrate is a flexible substrate.

10. The radiation image capturing apparatus according to claim 1 , wherein the first cable is electrically connected to the sensor substrate by thermocompression.

11. The radiation image capturing apparatus according to claim 1 , wherein the first cable is electrically connected to the first circuit substrate by thermocompression.

12. The radiation image capturing apparatus according to claim 1 , wherein
the second circuit substrate is a non-flexible substrate.

13. The radiation image capturing apparatus according to claim 1 , wherein
the second cable is electrically connected to the sensor substrate by thermocompression.

14. The radiation image capturing apparatus according to claim 1 , wherein
the second cable is electrically connected to the second circuit substrate through a connector.

15. The radiation image capturing apparatus according to claim 1 , wherein
the predetermined side is a longest side of the sensor substrate.

16. The radiation image capturing apparatus according to claim 1 , wherein
the first circuit substrate is mounted with some of the plurality of second components smaller than the plurality of first components in number.

17. The radiation image capturing apparatus according to claim 1 , wherein
the second circuit substrate is mounted with some of the plurality of first components smaller than the plurality of second components in number.

Assignees

• Fujifilm Corp

Inventors

• Iwakiri Naoto

Classifications

• H04N25/702 Primary

  SSIS architectures characterised by non-identical, non-equidistant or non-planar pixel layout · CPC title

• A61B6/00

  Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment (instruments measuring radiation intensity for application in the field of nuclear medicine, e.g. in vivo counting, G01T1/161) · CPC title

• G01T1/20188

  Auxiliary details, e.g. casings or cooling · CPC title

• G01T1/2978

  Hybrid imaging systems, e.g. using a position sensitive detector (camera) to determine the distribution in one direction and using mechanical movement of the detector or the subject in the other direction or using a camera to determine the distribution in two dimensions and using movement of the camera or the subject to increase the field of view (G01T1/2985 takes precedence) · CPC title

• G01T1/17 Primary

  Circuit arrangements not adapted to a particular type of detector {(pulse-selection circuits H03K, G01R)} · CPC title