CN109887941A - Flexible X-ray detector - Google Patents
Flexible X-ray detector Download PDFInfo
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- CN109887941A CN109887941A CN201910127109.4A CN201910127109A CN109887941A CN 109887941 A CN109887941 A CN 109887941A CN 201910127109 A CN201910127109 A CN 201910127109A CN 109887941 A CN109887941 A CN 109887941A
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- flexible
- ray detector
- circuit board
- structural member
- flexibility
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Abstract
The present invention provides a kind of flexible X-ray detector, and flexible X-ray detector includes: flexible structural member；Flexible imaging sensor, flexible imaging sensor are fixed in flexible structural member, and X-ray is converted into electric signal by flexible imaging sensor；Circuit board, circuit board are fixed in flexible structural member, are electrically connected by flexible circuit board with flexible imaging sensor；Circuit board includes several sub-circuit boards, and is electrically connected between adjacent sub-circuit board by flexible circuit board.The present invention provides it is a kind of can flexible bending deformation X-ray detector, so that X-ray detector can be used as flat panel detector, but also as curved detector, expand the application range of X-ray detector, make X-ray detector that can preferably be bonded object under test, to obtaining the image of high quality, and the volume of X-ray detector, weight can be reduced, with drop resistant, durable characteristic.
Description
Technical field
The invention belongs to the field of radiation detection technology, are related to a kind of flexible X-ray detector.
Background technique
The property using X-ray short wavelength, easily penetrated, different atomic numbers, density and thickness material is imaged in X-ray radiation
The feature different to X-ray absorption is imaged by detecting the intensity through the X-ray of object.It is small in size, light-weight, mobile
Portable digital X-ray flat panel detector is widely used in medical diagnosis, industrial detection and safety inspection, has gradually replaced with glue
Piece is the Traditional x-ray imaging system of recording medium.
X-ray flat panel detector is at present using a kind of relatively broad X-ray detector, is generally exactly that one kind is adopted
X-ray energy is converted into electric signal with semiconductor technology, generates the detector of radioscopic image.Its mode converted from energy
Two kinds can be divided into: indirect conversion flat panel detector (indirect FPD) and directly conversion flat panel detector (direct
FPD).Wherein Amorphous silicon flat-panel detectors are indirect type flat panel detector, and mainly by scintillator layers, (cesium iodide or sulphur are aoxidized
Gadolinium), imaging sensor (photodiode PD and thin film transistor (TFT) TFT) and signal processing circuit board assembling be integrated in plate shaped knot
In structure supporting element.Wherein, existing x-ray imaging sensor is based on amorphous silicon technology more, usually grows on the glass substrate
, inflexibility and while encountering crash shock is easy to break.Thus existing X-ray flat panel detector is to pass to x-ray imaging
Sensor is protected, and usually makes that its volume is larger, heavier-weight, and since X-ray flat panel detector is integrated in plate shaped knot
In structure supporting element, therefore when detecting to the object under test with certain curved surface, the image of high quality cannot be obtained.Therefore
X-ray flat panel detector is not suitable for industrial detection, such as to the investigation in petroleum pipeline crack, and needs fast and flexible motor-driven
The fields such as occasion, such as field hospital, anti-terror explosive removing.
Therefore it provides a kind of flexible X-ray detector small in size, light-weight, flexible, is preferably bonded determinand
Body obtains the image of high quality, and the occasion motor-driven suitable for fast and flexible, is necessary.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of small in size, light-weight, bendables
Bent flexible X-ray detector, to solve the above problem of existing X-ray flat panel detector.
In order to achieve the above objects and other related objects, the present invention provides a kind of flexible X-ray detector, the flexibility X
Ray detector includes:
Flexible structural member；
Flexible imaging sensor, the flexible imaging sensor are fixed in the flexible structural member, pass through the flexibility
X-ray is converted into electric signal by imaging sensor；
Circuit board, the circuit board are fixed in the flexible structural member, pass through flexible circuit board and the flexible imaging
Sensor electrical connection；The circuit board includes several sub-circuit boards, and passes through the flexibility between the adjacent sub-circuit board
Circuit board electrical connection.
Optionally, the flexible imaging sensor includes Direct-type flexible imaging sensor and indirect-type flexible imaging sensing
One of device or combination.
Optionally, further include flexible support in the flexible structural member, the flexible support include first surface and with institute
State the second surface that first surface is correspondingly arranged, and the flexible imaging sensor be individually fixed in the circuit board it is described soft
On the first surface and second surface of property bracket.
Optionally, the flexible structural member includes monoblock type flexible structural member, the material of the monoblock type flexible structural member
Including marmem.
Optionally, the flexible X-ray detector further includes heating device, is the monoblock type by the heating device
Flexible structural member provides heat source.
Optionally, the flexible structural member includes Split flexible structural member, the Split flexible structural member include by
One of sheet metal, plastic sheet, carbon fiber board or combination are formed by connection.
Optionally, the connection type of the Split flexible structural member includes being hinged, pin connection and snapping connection
A kind of or combination.
Optionally, the sub-circuit board include drive module circuit board, read module board, mainboard module circuit board and
One of power management module circuit board or combination.
Optionally, the flexible X-ray detector further includes protector, and the protector includes foam, silica gel, in gel
One kind or combination.
Optionally, the pattern of the flexible X-ray detector includes one of the figure surrounded by straight line and curve.
As described above, flexible X-ray detector of the invention, passes through flexible structural member, flexible imaging sensor, flexible electrical
Road plate and by several sub-circuit boards by flexible circuit board electrical connection be formed by circuit board, change can be flexibly bent by providing one kind
The X-ray detector of shape is converted into curved surface so that X-ray detector can be used as flat panel detector use, and can be as needed
Detector expands the application range of X-ray detector, makes X-ray detector that can preferably be bonded object under test, to obtain
The image of high quality, and the volume of detector, weight can be reduced, with drop resistant, durable characteristic, it is applicable to fast and flexible
Motor-driven occasion.
Detailed description of the invention
Fig. 1 is shown as the structural schematic diagram of the flexible X-ray detector in embodiment one.
Fig. 2 is shown as the structural schematic diagram of the flexible imaging sensor in embodiment one.
Fig. 3 is shown as the schematic diagram of the section structure in Fig. 2 along A-A '.
Fig. 4 is shown as the structural schematic diagram of the circuit board in embodiment one.
Fig. 5 is shown as the structural schematic diagram of the flexible X-ray detector in embodiment two.
Component label instructions
100 Split flexible structural members
200 flexible supports
300 indirect-type flexible imaging sensors
301 scintillator layers
302 photosensitive array layers
303 flexible base layers
304 flexible cover sheets
400 sub-circuit boards
500 electronic components
600 flexible circuit boards
110 monoblock type flexible structural members
310 Direct-type flexible imaging sensors
410 sub-circuit boards
510 electronic components
610 flexible circuit boards
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.
Please refer to FIG. 1 to FIG. 5.It should be noted that diagram provided in the present embodiment only illustrates this in a schematic way
The basic conception of invention, only shown in diagram then with related component in the present invention rather than package count when according to actual implementation
Mesh, shape and size are drawn, when actual implementation kenel, quantity and the ratio of each component can arbitrarily change for one kind, and its
Assembly layout kenel may also be increasingly complex.
Embodiment one
The present embodiment provides a kind of flexible X-ray detector, the flexibility X-ray detector includes:
Flexible structural member；
Flexible imaging sensor, the flexible imaging sensor are fixed in the flexible structural member, pass through the flexibility
X-ray is converted into electric signal by imaging sensor；
Circuit board, the circuit board are fixed in the flexible structural member, pass through flexible circuit board and the flexible imaging
Sensor electrical connection；The circuit board includes several sub-circuit boards, and passes through the flexibility between the adjacent sub-circuit board
Circuit board electrical connection.
The present embodiment is passed through by flexible structural member, flexible imaging sensor, flexible circuit board and by several sub-circuit boards
Flexible circuit board electrical connection is formed by circuit board, provide it is a kind of can flexible bending deformation X-ray detector so that X is penetrated
Line detector can be used as flat panel detector use, and can be as needed, is converted into curved detector, expands X-ray detection
The application range of device makes X-ray detector that can preferably be bonded object under test, to obtain the image of high quality, and can reduce
The volume of detector, weight, with drop resistant, durable characteristic, be applicable to the motor-driven occasion of fast and flexible.
As the further embodiment of the embodiment, the flexible imaging sensor includes Direct-type flexible imaging sensor
And one of indirect-type flexible imaging sensor or combination.
Such as Fig. 2~Fig. 3, the flexible imaging sensor in the present embodiment uses indirect-type flexible imaging sensor 300,
The indirect-type flexible imaging sensor 300 successively includes scintillator layers 301, photosensitive array layer 302, flexible substrates from top to bottom
Layer 303 and flexible cover sheet 304, however, it is not limited to this.
Specifically, the indirect-type flexible imaging sensor 300 is using flexible material as substrate, with light, thin, bendable
Song, drop resistant, breakage-proof, durable advantage.The indirect-type flexible imaging sensor 300 includes photoreceptor activity region and from photosensitive work
Property the welding section that comes out of area tracks, welding section is connected by flexible circuit board 600 with the circuit board.The scintillator layers
301 may include cesium iodide or gadolinium oxysulfide, be coupled in a manner of directly growing or being bonded with the photosensitive array layer 302.It is described
Photosensitive array layer 302 includes being made of the pixel array that PD (photodiode) and TFT (thin film transistor (TFT)) are formed, described photosensitive
Array layer 302 is grown in the flexible base layer 303, wherein the material of the flexible base layer 303 may include organic material
Material, such as one of polyimides (PI), polyvinyl alcohol (PVA), polyester (PET), polyethylene naphthalate (PEN) or group
It closes, such as thin metal or flexible glass also can be used in the flexible base layer 303.In the present embodiment, the flexible base layer
303 use polyimides (PI) film, and however, it is not limited to this.The flexible cover sheet 304 is to obstruct steam and oxygen
Infiltration, so that the reliability of the indirect-type flexible imaging sensor 300 can be improved, wherein the flexible cover sheet 304 can adopt
With polyester (PET) film, and in addition to PET film, metallic film can also be used as the flexible cover sheet 304, when using metal
When film, the flexible cover sheet 304 can enhance suction of the PD to light with the visible light of photosensitive array layer 302 described in reflectance-transmittance
It receives, to improve the sensitivity of the indirect-type flexible imaging sensor 300.Metal-also can be used in the flexible cover sheet 304
The laminated film of organic material, such as Al-PET (aluminium-polyester) laminated film.The thickness of the flexible cover sheet 304 can be according to need
It can be chosen from tens microns to several hundred microns etc., specific material and thickness according to application, to reach protection, branch
The purpose for supportting, preventing steam and oxygen from permeating.
It further include flexible support 200, the flexibility in the flexible structural member as the further embodiment of the embodiment
Bracket 200 includes first surface and the second surface being correspondingly arranged with the first surface, and the indirect-type flexible imaging passes
Sensor 300 and the circuit board are individually fixed on the first surface and second surface of the flexible support 200.
Specifically, may make the indirect-type flexible imaging sensor 300 and institute by the flexible support 200 such as Fig. 1
The opposing sides that circuit board is individually fixed in the flexible support 200 is stated, it is big described indirect so as to include under limited area
The area of type flexible imaging sensor 300.
As the further embodiment of the embodiment, the flexible structural member includes Split flexible structural member 100, described
Split flexible structural member 100 includes being formed by one of sheet metal, plastic sheet, carbon fiber board or combination by connection；Institute
The connection type for stating Split flexible structural member 100 includes being hinged, pin connection and one of snapping connection or combination.
Specifically, the indirect-type flexible imaging sensor 300, flexible circuit board 600 and the circuit board are respectively positioned on institute
It states inside flexible structural member, the flexible structural member is as supporting element and guard member, therefore the flexible structural member need to be using can
The material for allowing X-ray to penetrate.To make the X-ray detector have flexible characteristic, the flexible structural member can be adopted
With the Split flexible structural member 100, i.e., connection shape is passed through by one of sheet metal, plastic sheet, carbon fiber board or combination
At to provide the flexible flexible structural member.In the present embodiment, the flexible structural member is using sheet metal by being hinged
Mode formed, however, it is not limited to this.To reduce process complexity, the flexible support 200 using with it is described split type soft
The property identical material of structural member 100 and structure, however, it is not limited to this.
As the further embodiment of the embodiment, the sub-circuit board 400 includes drive module circuit board, reads module
One of circuit board, mainboard module circuit board and power management module circuit board or combination.
Specifically, such as Fig. 4, one in the flexible circuit board 600 or printed circuit board (PCB) is can be used in the circuit board
Kind or combination, even if but the circuit board use the flexible circuit board 600, due to the circuit board need and electronic component
500 or metal routing electrical connection, the extraction of the electric signal of the indirect-type flexible imaging sensor 300 handle to aobvious
It is shown as picture, therefore the circuit board inevitably has rigidity, thus is difficult to realize be bent.By the way that the circuit board is divided
Multiple sub-circuit boards 400 are cut into, and are carried out between the different sub-circuit boards 400 by the flexible circuit board 600
Connection, to transmit signal, so that the bendability of the circuit board can be realized.Further, when 400 basis of sub-circuit board
When its function uses modular division, such as it is divided into and is integrated with the drive module circuit board of gate driving circuit, is integrated with charge
Integral amplification, the reading module board of analog to digital conversion circuit, the mainboard module electricity for being packaged with processor, programmable logic device
Whens road plate and power management module circuit board etc., due to modular design, it can also be convenient for the circuit problem of the circuit board
Investigation and reparation, thus can reduce and reprocess cost.Size, pattern and the number of the sub-circuit board 400 determine that the X is penetrated
The crooked radian of line detector can be set as needed.
As the further embodiment of the embodiment, the flexibility X-ray detector may also include protector (not shown),
The protector includes one of foam, silica gel, gel or combination.
Specifically, in order to protect the scintillator layers 301 and the sense in the indirect-type flexible imaging sensor 300
Optical arrays layer 302, in the place that the indirect-type flexible imaging sensor 300 is contacted with the Split flexible structural member 100
Can increase by one layer of soft, flexible protector, the protector may include one of foam, silica gel, gel or
Combination.
As the further embodiment of the embodiment, the bending pattern of the flexibility X-ray detector may include by straight line
And one of the figure that curve is surrounded.
Specifically, the present embodiment provides a kind of curved detectors, and however, it is not limited to this such as Fig. 1, the flexibility X-ray
Detector is due to the Split flexible structural member 100, flexible support 200, indirect-type flexible imaging sensor 300, soft
Property the circuit board 600 and sub-circuit board 400 that is electrically connected by the flexible circuit board 600, therefore can provide it is a kind of flexibly,
Bending deformed X-ray detector so that X-ray detector can be used as flat panel detector use, and can turn as needed
It changes curved detector into, expands the application range of X-ray detector.Due to using the indirect-type flexible imaging sensor
300, reduce the weight of detector, therefore drop resistant, durable, in the occasion for needing fast reserve, such as battlefield hospital, anti-terrorism row
It is quick-fried etc. with the obvious advantage.The characteristic of flexible deformation obtains high quality so that X-ray detector can preferably be bonded object under test
Image, when being applied to clinically, X-ray curved detector can bring the more comfortable experience of patient, reduce patient's pain, such as
Carry out tumor of breast screening, the film making that not can be carried out mobile position due to wound etc..
Embodiment two
The present embodiment provides a kind of flexible X-ray detectors, compared to embodiment one, the flexibility X-ray detection utensil
There is different structures, to further explain technical solution of the present invention.
Such as Fig. 5, the flexibility X-ray detector include flexible structure, flexible imaging sensor, flexible circuit board 610 and
Pass through the circuit board that the flexible circuit board 610 is electrically connected by several sub-circuit boards 410.Wherein, the sub-circuit board 410 includes
Electronic component 510 may also include metal routing etc., and the circuit board, the type of the flexible circuit board 610, material are equivalent real
Example one is applied, is not repeated herein.
As the further embodiment of the embodiment, Direct-type flexible imaging sensing is can be used in the flexible imaging sensor
One of device 310 and indirect-type flexible imaging sensor or combination.
Specifically, in the present embodiment, the flexible imaging sensor is sensed using the Direct-type flexible imaging such as Fig. 5
Device 310, to expand the application range of the flexible X-ray detector, institute is yet can be used in certain flexible imaging sensor
State indirect-type flexible imaging sensor or by the indirect-type flexible imaging sensor and the Direct-type flexible imaging sensor
310 modes being combined, herein with no restriction.
As the further embodiment of the embodiment, the flexible imaging sensor, flexible circuit board 610 and circuit board are straight
It connects and is fixed in the flexible structural member, the thickness of the flexible X-ray detector is thinned, so that the X-ray detector
It is applicable to have in the detection environment of slit.
As the further embodiment of the embodiment, the flexible structural member includes monoblock type flexible structural member 110, described
The material of monoblock type flexible structural member 110 includes marmem.
Specifically, the marmem is when being more than transformation temperature, flexible deformation, and when temperature is lower than abnormal temperature
When spending, deformation can restore.Therefore the marmem may be selected as the flexible structural member, to form the monoblock type
Flexible structural member 110, to reduce the structure complexity of the flexible structural member.The marmem is to use occasion
Temperature requires, and is suitable for the little occasion of temperature fluctuation range, therefore the marmem is preferably based on titanium alloy,
However, it is not limited to this.The flexibility X-ray detector may also include heating device (not shown), can by the heating device
Heat source is provided for the monoblock type flexible structural member 110, to expand the use scope of the flexible X-ray detector.
As the further embodiment of the embodiment, it may also include flexible support, the flexibility in the flexible structural member
Bracket can be used such as the Split flexible bracket in embodiment one, can also be used such as the monoblock type flexible structural member 110, herein
It does not repeat.
In conclusion flexible X-ray detector of the invention, passes through flexible structural member, flexible imaging sensor, flexible electrical
Road plate and by several sub-circuit boards by flexible circuit board electrical connection be formed by circuit board, change can be flexibly bent by providing one kind
The X-ray detector of shape is converted into curved surface so that X-ray detector can be used as flat panel detector use, and can be as needed
Detector expands the application range of X-ray detector, makes X-ray detector that can preferably be bonded object under test, to obtain
The image of high quality, and the volume of detector, weight can be reduced, with drop resistant, durable characteristic, it is applicable to fast and flexible
Motor-driven occasion.So the present invention effectively overcomes various shortcoming in the prior art and has high industrial utilization value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (10)
1. it is a kind of flexibility X-ray detector, which is characterized in that it is described flexibility X-ray detector include:
Flexible structural member；
Flexible imaging sensor, the flexible imaging sensor are fixed in the flexible structural member, pass through the flexible imaging
X-ray is converted into electric signal by sensor；
Circuit board, the circuit board are fixed in the flexible structural member, are sensed by flexible circuit board and the flexible imaging
Device electrical connection；The circuit board includes several sub-circuit boards, and passes through the flexible circuit between the adjacent sub-circuit board
Plate electrical connection.
2. flexibility X-ray detector according to claim 1, it is characterised in that: the flexible imaging sensor includes straight
One of direct type flexible imaging sensor and indirect-type flexible imaging sensor or combination.
3. flexibility X-ray detector according to claim 1, it is characterised in that: further include soft in the flexible structural member
Property bracket, the flexible support includes first surface and the second surface that is correspondingly arranged with the first surface, and the flexibility
Imaging sensor and the circuit board are individually fixed on the first surface and second surface of the flexible support.
4. flexibility X-ray detector according to claim 1, it is characterised in that: the flexible structural member includes monoblock type
The material of flexible structural member, the monoblock type flexible structural member includes marmem.
5. it is according to claim 4 flexibility X-ray detector, it is characterised in that: it is described flexibility X-ray detector further include
Heating device provides heat source by the heating device for the monoblock type flexible structural member.
6. flexibility X-ray detector according to claim 1, it is characterised in that: the flexible structural member includes split type
Flexible structural member, the Split flexible structural member include being passed through by one of sheet metal, plastic sheet, carbon fiber board or combination
Connection is formed.
7. flexibility X-ray detector according to claim 6, it is characterised in that: the company of the Split flexible structural member
Connecing mode includes being hinged, pin connection and one of snapping connection or combination.
8. flexibility X-ray detector according to claim 1, it is characterised in that: the sub-circuit board includes drive module
One of circuit board, reading module board, mainboard module circuit board and power management module circuit board or combination.
9. it is according to claim 1 flexibility X-ray detector, it is characterised in that: it is described flexibility X-ray detector further include
Protector, the protector include one of foam, silica gel, gel or combination.
10. flexibility X-ray detector according to claim 1, it is characterised in that: the shape of the flexibility X-ray detector
Looks include one of the figure surrounded by straight line and curve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910127109.4A CN109887941A (en) | 2019-02-20 | 2019-02-20 | Flexible X-ray detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910127109.4A CN109887941A (en) | 2019-02-20 | 2019-02-20 | Flexible X-ray detector |
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| CN109887941A true CN109887941A (en) | 2019-06-14 |
Family
ID=66928606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910127109.4A Pending CN109887941A (en) | 2019-02-20 | 2019-02-20 | Flexible X-ray detector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112768887A (en) * | 2020-12-22 | 2021-05-07 | 中国船舶重工集团公司第七一一研究所 | Antenna for wireless sensor of motion mechanism and wireless sensor with antenna |
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