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Coupling device of multiple-light-cone coupling digital X-ray detector

A coupling device and X-ray technology, applied in the field of X-ray detectors, can solve the problems of large waste and high maintenance costs, and achieve the effects of preventing damage, reducing maintenance costs, and improving coupling accuracy

Inactive Publication Date: 2013-10-30
SHENZHEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is that each light cone in the light cone array in the prior art is fixed together with the corresponding image sensor chip by bonding method, any damage to the light cone or image sensor chip will To scrap all light cones and image sensor chips, resulting in large waste and high maintenance costs, we provide a five-dimensional adjustment that can independently perform five-dimensional adjustments on each image sensor chip, including front, rear, left, right, up, down, up, and down, so that the image sensor chip and Coupling device for multi-light cone coupling digital X-ray detector with high precision of light cone coupling, only need to replace the damaged image sensor chip when the image sensor chip is damaged, and low maintenance cost

Method used

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  • Coupling device of multiple-light-cone coupling digital X-ray detector
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  • Coupling device of multiple-light-cone coupling digital X-ray detector

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Embodiment 1

[0033] Embodiment 1, this embodiment specifically illustrates the present invention through a 2×2 light cone array.

[0034] Orientation definition: Centered on the center of the entire coupling circuit board, the corner of each sub-circuit board or circuit board bracket located in the center of the coupling circuit board is called the central angle, and the corner corresponding to the diagonal line from the central corner is the outer corner.

[0035] Such as figure 1 , 4 As shown, a coupling device for a multi-light cone coupled digital X-ray detector includes an array of light cones formed by four light cones 5 arranged in two rows and two columns and welded together with large ends, consisting of four The circuit board 31 is a coupling circuit board arranged in two rows and two columns.

[0036] Such as figure 1 , 4 As shown, the center of the coupling circuit board is provided with an image sensor chip array correspondingly coupled up and down with the light cone arra...

Embodiment 2

[0054] Embodiment 2, a coupling device for coupling multiple light cones to a digital X-ray detector, including an array of light cones formed by more than four light cones arranged in a rectangle and welding the large ends together. Rectangular array, the number of light cones should meet the requirements of array arrangement, and can be arranged into 2×3, 2×4, 3×3, 4×3, 4×4 and other rectangular arrays. When more than four light cones are used Because the circuit board and image sensor chip in the middle position are not easy to adjust, the circuit board and its circuit board bracket in the middle position are generally fixed, and the fixed sub-circuit board and its image sensor chip will be pre-assembled and tested . In order to ensure that the assembly positions of multiple image sensor chips can have good coupling with the small end of the light cone.

[0055] The four sub-circuit boards and the circuit board brackets at the four corners of the coupling circuit board can...

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Abstract

The invention discloses a coupling device of a multiple-light-cone coupling digital X-ray detector, which comprises a light cone array composed of a plurality of light cone arrays in distributing mode and a coupling circuit board composed of a plurality of secondary circuit boards. An image sensor chip array is arranged at the center of the coupling circuit board and is composed of a plurality of image sensor chips, wherein each image sensor chip couples with the small end of a light cone in corresponding mode. The secondary circuit boards are fixed on a circuit board support, an installation board is arranged under the secondary circuit boards, and a horizontal adjusting mechanism and a vertical adjusting mechanism are arranged on the installation board. Under the constrains that the device is limited by dimension of a light cone array structure, the adjusting clearance of the circuit boards is small, and other circuit boards can cause blocking in the vertical direction, the device can still perform front-back, left-right, up-down, rotating and pitching five-dimensional adjustment on the plurality of image sensor chips, the coupling accuracy of the image sensor chips and the light cones is high, no glue bonding is required, only damaged image sensor chips are replaced, and maintenance cost is low.

Description

technical field [0001] The invention relates to an X-ray detector, in particular to a coupling device for multi-light cone coupling digital X-ray detectors. Background technique [0002] Digital X-ray detectors can convert invisible X-ray signals into digital image signals that are easy to process. Core device. The digital X-ray detector based on light cone coupling has many advantages such as high resolution, small image distortion, and compact structure, and has obvious advantages in the fields of early tumor diagnosis and macromolecular crystallography research. Its basic components include three parts, namely, the X-ray conversion screen used to convert incident X-rays into visible light, the image data acquisition circuit with an image sensor chip (CCD or CMOS image sensor chip), the X-ray conversion screen and Light cones for coupling between image sensor chips. In order to realize large-area imaging, multiple light cones and corresponding image sensor chips need to...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N23/00G02B6/43A61B6/00
Inventor 赵志刚牛憨笨杨勤劳郭金川
Owner SHENZHEN UNIV