CN107685495A - Possess the carbon fiber product and flat panel detector of anti-scattered ray ability - Google Patents
Possess the carbon fiber product and flat panel detector of anti-scattered ray ability Download PDFInfo
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- CN107685495A CN107685495A CN201610630216.5A CN201610630216A CN107685495A CN 107685495 A CN107685495 A CN 107685495A CN 201610630216 A CN201610630216 A CN 201610630216A CN 107685495 A CN107685495 A CN 107685495A
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- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 154
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 154
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 154
- 239000011358 absorbing material Substances 0.000 claims abstract description 38
- 230000005855 radiation Effects 0.000 claims abstract description 27
- 239000002131 composite material Substances 0.000 claims abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 11
- 239000004744 fabric Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 41
- 229910001385 heavy metal Inorganic materials 0.000 claims description 29
- 229920005989 resin Polymers 0.000 claims description 28
- 239000011347 resin Substances 0.000 claims description 28
- 238000010521 absorption reaction Methods 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 7
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 7
- 229910052721 tungsten Inorganic materials 0.000 claims description 7
- 239000010937 tungsten Substances 0.000 claims description 7
- 229910001080 W alloy Inorganic materials 0.000 claims description 6
- 239000007769 metal material Substances 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 229920003986 novolac Polymers 0.000 claims description 2
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 2
- 239000004800 polyvinyl chloride Substances 0.000 claims description 2
- 230000002745 absorbent Effects 0.000 claims 1
- 239000002250 absorbent Substances 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000001914 filtration Methods 0.000 abstract description 4
- 210000003660 reticulum Anatomy 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000010354 integration Effects 0.000 description 3
- 239000002905 metal composite material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 238000009304 pastoral farming Methods 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 230000004223 radioprotective effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
- B32B3/18—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by an internal layer formed of separate pieces of material which are juxtaposed side-by-side
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/12—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer characterised by the relative arrangement of fibres or filaments of different layers, e.g. the fibres or filaments being parallel or perpendicular to each other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F1/00—Shielding characterised by the composition of the materials
- G21F1/12—Laminated shielding materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/106—Carbon fibres, e.g. graphite fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/10—Inorganic particles
- B32B2264/105—Metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/212—Electromagnetic interference shielding
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measurement Of Radiation (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention provides a kind of carbon fiber product and flat panel detector for possessing anti-scattered ray ability, and the carbon fiber product includes：First carbon fiber laying, the second carbon fiber laying and the middle composite layer being fixed between the first carbon fiber laying and the second carbon fiber laying；The middle composite layer includes multilayer carbon fiber layer and mixes radiation absorbing material layers between the carbon fiber layer and carbon fiber layer, the multilayer carbon fiber layer is arranged vertically with the first carbon fiber laying or arranged by predetermined angle, so that along the incident X-ray energy in the multilayer carbon cloth direction by the way that the scattered ray incident along other directions is partly or entirely absorbed by the radiation absorbing material layers.The present invention can effectively improve the ability of carbon fiber product anti-scattering ray；The present invention is applied in flat panel detector, can improve the contrast of detector image.The present invention can effectively reduce the filtering cost of scattered ray, and reduce the integrated difficulty of system.
Description
Technical field
The invention belongs to X-ray flat panel detector design field, more particularly to a kind of carbon for possessing anti-scattered ray ability
Fibre and the flat panel detector for including the carbon fiber product for possessing anti-scattered ray ability.
Background technology
In X-ray flat panel detector, carbon fiber board is typically all used as detector entrance window because it is small to ray attenuation
Mouthful.This patent elaborates a kind of new detector structure.By orienting complex ray radiation-absorbing material in carbon fiber board, make
Scattered ray can be filtered by obtaining carbon fiber board, so as to improve the resolution performance of detector.This new new detector structure was both
Conventional detector can be used as to carry out data acquisition, the performance of the anti-scattered ray of grid can be realized again, equivalent to common
The integral structure of detector and grid.This new panel detector structure can reduce cost, and and can simplifies system-level behaviour
Make, very big simplification and facility are brought for the system integration.
Carbon fiber has high intensity, low-density, the characteristic of grazing shot line attenuation, as X ray incidence in flat panel detector
Window material is widely used.But in the application process of reality, X ray can scatter by object, scattered ray pair
It is harmful to be ultimately imaged, and it can cause image to thicken.Fig. 1 is shown as the structural representation of existing carbon fiber, and it is logical
Often include multiple carbon fiber layers 101 and between each carbon fiber layer, for bonding the resin material of each carbon fiber layer
102。
In the practical application of detector, for ray by that can be scattered after human body, these scattered ray can cause image
Degradation in contrast.Need to filter out scattered ray during design, improve the contrast of image, in existing Carbon Fiber Technology,
Above-mentioned requirements can not be met.
To remove scattered ray, among prior art, need to place a grid again in detector surface, filter out scattering
Ray., it is necessary to determine the model of grid according to the model of detector in actual integrating process, and detector and grid need
Joint debugging is wanted to reach optimum efficiency.On the one hand this mode causes cost to increase, on the other hand also increase answering for the system integration
Miscellaneous degree.
Based on described above, there is provided a kind of low cost, the integrated carbon fiber product that can simply filter out scattered ray and
Flat panel detector is necessary.
The content of the invention
In view of the above the shortcomings that prior art, possesses anti-scattered ray ability it is an object of the invention to provide a kind of
Carbon fiber product and the flat panel detector for including the carbon fiber product for possessing anti-scattered ray ability, for solving to put down in the prior art
Partitioned detector filters out the problem of scattered ray cost is higher, and the system integration is more complicated.
In order to achieve the above objects and other related objects, the present invention provides a kind of carbon fiber system for possessing anti-scattered ray ability
Product, the carbon fiber product include：First carbon fiber laying, the second carbon fiber laying and it is fixed on first carbon fiber paving
Middle composite layer between layer and the second carbon fiber laying；The middle composite layer includes multilayer carbon fiber layer and mixed described
Radiation absorbing material layers between carbon fiber layer and carbon fiber layer, the multilayer carbon fiber layer hang down with the first carbon fiber laying
In line row are arranged by predetermined angle so that the X-ray energy incident along the multilayer carbon cloth direction passes through incident along other directions
Scattered ray partly or entirely absorbed by the radiation absorbing material layers.
As a kind of preferred scheme of the carbon fiber product for possessing anti-scattered ray ability of the present invention, the middle composite layer
It is bonded in by jointing material between the first carbon fiber laying and the second carbon fiber laying.
As a kind of preferred scheme of the carbon fiber product for possessing anti-scattered ray ability of the present invention, first carbon fiber
Laying is to be arranged in parallel with the second carbon fiber laying.
As a kind of preferred scheme of the carbon fiber product for possessing anti-scattered ray ability of the present invention, the radiation absorption material
The bed of material is the resin bed mixed with radiation-absorbing material, is bonded between multilayer carbon fiber layer by the resin bed.
Preferably, the radiation-absorbing material is in granular form, and particle diameter range is 10nm~100 μm, and the radiation is inhaled
It is 10%~90% to receive weight percentage of the material in the resin bed.
Preferably, the radiation-absorbing material is to include lead material, tungsten material or lead tungsten alloy heavy metal material.
Preferably, the resin bed includes epoxy resin layer, one kind in novolac resin layer or polyvinyl chloride resin layer.
As a kind of preferred scheme of the carbon fiber product for possessing anti-scattered ray ability of the present invention, the radiation absorption material
The bed of material is heavy metal layer, is bonded between the heavy metal layer and the carbon fiber layer by jointing material.
Preferably, the radiation absorbing material layers are that heavy metal layer includes one in lead layer, tungsten layer or lead tungsten alloy layer
Kind.
Preferably, the thickness range of the heavy metal layer is 10 μm~200 μm.
As a kind of preferred scheme of the carbon fiber product for possessing anti-scattered ray ability of the present invention, the radiation absorption material
The bed of material is radiation-absorbing material membrane structure, passes through bonding between the radiation-absorbing material membrane structure and the carbon fiber layer
Material bonds.
Preferably, the thickness range of the radiation-absorbing material membrane structure is 5um~0.5mm.
The present invention also provides a kind of flat panel detector for including the carbon fiber product for possessing anti-scattered ray ability, the flat board
Detector includes：By it is upper lid, frame and bonnet surround shell, the middleware in the shell, installed in described
Circuit board on one surface of middleware, the TFT flat boards installed in another surface of middleware, wherein, it is described it is upper lid by
The carbon fiber product for possessing anti-scattered ray ability is formed.
A kind of preferred side as the flat panel detector comprising the carbon fiber product for possessing anti-scattered ray ability of the present invention
Case, the middleware are covered after being fixed on, and the space for accommodating circuit board is formed between the middleware and bonnet.
As described above, the carbon fiber product and flat panel detector that possess anti-scattered ray ability of the present invention, have with following
Beneficial effect：
First, carbon fiber product of the invention by carbon by carbon fiber/heavy metal composite bed, it is vertical or by predetermined angle
It is arranged in carbon fiber laying, passes through resin high-temperature molding.Because carbon fiber is small to ray attenuation, and heavy metal is to ray attenuation
Greatly, then in this configuration, carbon fiber product can be just only passed through along the ray of carbon fiber layer, and scattered ray can quilt
Heavy metal layer absorbs, it is impossible to through carbon fiber layer, so as to realize the filtering to scattered ray.
Second, in X-ray flat panel detector, the carbon fiber product for possessing anti-scattered ray ability by application is used as incidence
Window structure, make flat panel detector that there is advantages below：1) ability for causing flat panel detector itself to possess anti-scattered ray, is carried
High detector image contrast；2) grid need not be additionally used, reduces cost；3) using more convenient.
Brief description of the drawings
Fig. 1 is shown as carbon fiber product structural representation of the prior art.
Fig. 2 is shown as the structural representation of the carbon fiber product for possessing anti-scattered ray ability in the embodiment of the present invention 1.
Fig. 3 is shown as the structural representation of the carbon fiber product for possessing anti-scattered ray ability in the embodiment of the present invention 2.
The structure that Fig. 4 is shown as the flat panel detector comprising the carbon fiber product for possessing anti-scattered ray ability of the present invention is shown
It is intended to.
Component label instructions
2 carbon fiber products
201 first carbon fiber layings
202 second carbon fiber layings
203 carbon fiber layers
204 mixed with radiation-absorbing material resin bed
205 jointing materials
304 heavy metal layers
Covered on 20
30 frames
40 bonnets
50 middlewares
60 circuit boards
70 TFT flat boards
Embodiment
Illustrate embodiments of the present invention below by way of specific instantiation, those skilled in the art can be by this specification
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through specific realities different in addition
The mode of applying is embodied or practiced, the various details in this specification can also be based on different viewpoints with application, without departing from
Various modifications or alterations are carried out under the spirit of the present invention.
Refer to Fig. 2~Fig. 4.It should be noted that the diagram provided in the present embodiment only illustrates this in a schematic way
The basic conception of invention, the component relevant with the present invention is only shown in illustrating then rather than according to package count during actual implement
Mesh, shape and size are drawn, and kenel, quantity and the ratio of each component can be a kind of random change during its actual implementation, and its
Assembly layout kenel may also be increasingly complex.
Embodiment 1
As shown in Fig. 2 the present embodiment provides a kind of carbon fiber product 2 for possessing anti-scattered ray ability, the carbon fiber system
Product 2 include：First carbon fiber laying 201, the second carbon fiber laying 202 and be fixed on the first carbon fiber laying 201 with
Middle composite layer between second carbon fiber laying 202；The middle composite layer includes multilayer carbon fiber layer 203 and mixed in institute
State the radiation absorbing material layers between carbon fiber layer 203 and carbon fiber layer 203, the multilayer carbon fiber layer 203 and described first
Carbon fiber laying 201 is arranged vertically or arranged by predetermined angle so that the X-ray energy incident along the multilayer carbon cloth direction is led to
Cross, the scattered ray incident along other directions is partly or entirely absorbed by the radiation absorbing material layers.
As an example, the first carbon fiber laying 201 is to be arranged in parallel with the second carbon fiber laying 202, the centre
Composite bed is bonded between the first carbon fiber laying 201 and the second carbon fiber laying 202 by jointing material 205.
In the present embodiment, as shown in Fig. 2 in possessing the carbon fiber product 2 of anti-scattered ray ability, the multilayer carbon fiber
Bonded between layer 203 by resin bed 204, the radiation-absorbing material is then mixed in the resin bed 204.In manufacturing process
In, doping process is first passed through by radiation-absorbing material addition in the resin bed 204, the uniform doping of formation, then lead to
Cross the resin bed 204 and the bonding of carbon fiber layer 203 of each layer is formed into carbon fiber product 2.
Specifically, the radiation-absorbing material mixed in the resin bed 204 is in granular form, and particle diameter is in the μ of 10nm~100
In the range of m.In the present embodiment, it is 10 μm that the particle diameter of the radiation-absorbing material, which is selected, certainly, in other embodiment
In, the particle diameter of the radiation-absorbing material can also be 100nm, 50 μm and 80 μm etc., and be not limited to listed herein
The example of act.
In addition, the addition of the radiation-absorbing material is appropriate, content does not have Study On The Radioprotective very little, and addition is too
The cementitiousness of resin bed 204 can at most be influenceed.As an example, weight of the radiation-absorbing material in the resin bed 204
Percentage composition is measured preferably in the range of 10%~90%, is especially optimal in the range of 20~40%.In the present embodiment, it is described
It is 30% that weight percentage of the radiation-absorbing material in the resin bed 204, which is selected, and certainly, the radiation-absorbing material exists
Weight percentage in the resin bed 204 can also be 20%, 25%, 35% or 40% etc., and be not limited to herein
Cited example.
In the present embodiment, the radiation-absorbing material can be heavy metal material.Heavy metal material has higher penetrate
Line attenuation ability, the required scattered ray attenuating of flat panel detector can be reached.For example, heavy metal material can be lead
Material or tungsten material or lead tungsten alloy etc., certainly, the radiation-absorbing material can also be that other suitably have anti-spoke
The heavy metal material of function is penetrated, is being not limited to example recited herein.By adding lead particle or tungsten in resin bed 204
Particle etc. is used as radiation-absorbing material, and uniform radiation protection layer is finally formed in carbon fiber product 2.
As an example, the material of resin bed 204 can be epoxy resin, one in phenolic resin or Corvic
Kind, certainly, the material of resin bed 204 can also be other suitable jointing materials 205, be not specially limited herein.At this
In embodiment, the material selection of resin bed 204 is epoxy resin.
The carbon fiber product 2 of the present invention by carbon by carbon fiber/heavy metal composite bed, it is vertical or arranged by predetermined angle
In carbon fiber laying, pass through resin high-temperature molding.Because carbon fiber is small to ray attenuation, and heavy metal is big to ray attenuation,
Then in this configuration, along the ray of carbon fiber layer 203 carbon fiber product 2 can just only be passed through, and scattered ray meeting
Absorbed by heavy metal layer 304, it is impossible to through carbon fiber layer 203, so as to realize the filtering to scattered ray.
In the present embodiment, the multilayer carbon fiber layer 203 is preferably and the vertical row of the first carbon fiber laying 201
Row so that the ray only perpendicular to carbon fiber top layer can just pass through carbon fiber product 2, and scattered ray can be inhaled by radiation
Receive material layer to absorb, it is impossible to through carbon fiber layer 203.Certainly, the multilayer carbon fiber layer 203 and the first carbon fiber laying
201 can also be arranged by predetermined angle, and the predetermined angle is preferably 75~90 degree, such as 89 degree, 85 degree, 80 degree etc., and simultaneously
It is not limited to example recited herein.
Visited as shown in figure 4, the present embodiment also provides a kind of flat board comprising the carbon fiber product 2 for possessing anti-scattered ray ability
Device is surveyed, the flat panel detector includes：The shell that is surrounded by upper lid 20, frame 30 and bonnet 40, in the shell
Middleware 50, the circuit board 60 on described 50 1 surfaces of middleware, installed in described another table of middleware 50
The TFT flat boards 70 in face, wherein, the upper lid 20 is made up of the carbon fiber product 2 for possessing anti-scattered ray ability of the present embodiment.
The shell is surrounded by upper lid 20, frame 30 and bonnet 40.The upper lid 20 is relative with the position of bonnet 40, described
Upper lid 20 is detector window, can be fixed upper lid 20 with frame 30 by bolt.The middleware 50 is as fixed TFT
The structural member of flat board 70 and circuit board 60.
The circuit board 60 is arranged on 50 one of surface of middleware, and the TFT flat boards 70 are arranged on and electricity
On another relative surface of road plate 60.The TFT flat boards 70 are the glass plate based on amorphous silicon technology fabrication techniques, flat board
In be integrated with scintillator material and optoelectronic sensor.
As an example, the middleware 50 is fixed on bonnet 40, formed between the middleware 50 and bonnet 40
The space of circuit board 60 is accommodated, i.e., described circuit board 60 is arranged on the lower surface of the middleware 50, and the TFT flat boards 70 are installed
In the upper surface of the middleware 50.
When the multilayer carbon fiber layer 203 and the first carbon fiber laying 201 are arranged vertically, along the multilayer carbon cloth
The incident X-ray energy in direction (direction of the i.e. vertical first carbon fiber laying 201) passes through the scattering incident along other directions
Ray portion is all absorbed by the radiation absorbing material layers, and X ray has been decayed, and can improve the resolution ratio of detector.
In addition, the height by adjusting the intermediate layer composite bed, or carbon fiber layer 203 and radiation-absorbing material in middle composite layer
Thickness proportion between layer, the attenuation rate of scattered ray can be adjusted.
Embodiment 2
A kind of carbon fiber product 2 for possessing anti-scattered ray ability of the present embodiment offer, its basic structure such as embodiment 1, its
In, be with the difference of embodiment 1, the radiation absorbing material layers are heavy metal layer 304, the heavy metal layer 304 with
Bonded between the carbon fiber layer 203 by jointing material 205.
Include as an example, the radiation absorbing material layers are heavy metal layer 304 in lead layer, tungsten layer or lead tungsten alloy layer
One kind.
As an example, the thickness range of the heavy metal layer 304 is 10 μm~200 μm.In the present embodiment, the huge sum of money
The thickness for belonging to layer 304 is selected as 60 μm, and certainly, in other embodiments, the thickness of the heavy metal layer 304 can also be 10 μ
M, 20 μm, 80 μm or 150 μm etc., and it is not limited to example recited herein.
In addition, the height by adjusting the intermediate layer composite bed, or carbon fiber layer 203 and a huge sum of money in middle composite layer
Belong to the thickness proportion between layer 304, the attenuation rate of scattered ray can be adjusted.
Embodiment 3
A kind of carbon fiber product 2 for possessing anti-scattered ray ability of the present embodiment offer, its basic structure such as embodiment 1, its
In, it is with the difference of embodiment 1, the radiation absorbing material layers are radiation-absorbing material membrane structure, the radiation
Bonded between absorbing material membrane structure and the carbon fiber layer by jointing material.In the present embodiment, the radiation absorption
The thickness range of material membrane structure is 5um~0.5mm.
As described above, the carbon fiber product 2 and flat panel detector that possess anti-scattered ray ability of the present invention, have with following
Beneficial effect：
First, carbon fiber product 2 of the invention by carbon by carbon fiber/heavy metal composite bed, it is vertical or by preset angle
Degree is arranged in carbon fiber laying, passes through resin high-temperature molding.Because carbon fiber is small to ray attenuation, and heavy metal declines to ray
Subtract greatly, then in this configuration, only can just pass through carbon fiber product 2 along the ray of carbon fiber layer 203, and penetrate
Line can be absorbed by heavy metal layer 304, it is impossible to through carbon fiber layer 203, so as to realize the filtering to scattered ray.
Second, in X-ray flat panel detector, by application possess anti-scattered ray ability carbon fiber product 2 be used as into
Window structure is penetrated, makes flat panel detector that there is advantages below：1) ability for causing flat panel detector itself to possess anti-scattered ray,
Improve detector image contrast；2) grid need not be additionally used, reduces cost；3) using more convenient.
So the present invention effectively overcomes various shortcoming of the prior art and has high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (14)
1. a kind of carbon fiber product for possessing anti-scattered ray ability, it is characterised in that the carbon fiber product includes：First carbon is fine
Dimension laying, the second carbon fiber laying and the centre be fixed between the first carbon fiber laying and the second carbon fiber laying are answered
Close layer；
The radiation that the middle composite layer includes multilayer carbon fiber layer and mixed between the carbon fiber layer and carbon fiber layer is inhaled
Material layer is received, the multilayer carbon fiber layer is arranged vertically with the first carbon fiber laying or arranged by predetermined angle so that edge
The incident X-ray energy in the multilayer carbon cloth direction is by the way that the scattered ray incident along other directions is partly or entirely by the spoke
Penetrate layers of absorbent material absorption.
2. the carbon fiber product according to claim 1 for possessing anti-scattered ray ability, it is characterised in that：The centre is compound
Layer is bonded between the first carbon fiber laying and the second carbon fiber laying by jointing material.
3. the carbon fiber product according to claim 1 for possessing anti-scattered ray ability, it is characterised in that：First carbon is fine
Dimension laying is to be arranged in parallel with the second carbon fiber laying.
4. the carbon fiber product according to claim 1 for possessing anti-scattered ray ability, it is characterised in that：The radiation absorption
Material layer is the resin bed mixed with radiation-absorbing material, is bonded between multilayer carbon fiber layer by the resin bed.
5. the carbon fiber product according to claim 4 for possessing anti-scattered ray ability, it is characterised in that：The radiation absorption
Material is in granular form, and particle diameter range is 10nm~100 μm, weight hundred of the radiation-absorbing material in the resin bed
It is 10%~90% to divide content.
6. the carbon fiber product according to claim 4 for possessing anti-scattered ray ability, it is characterised in that：The radiation absorption
Material is to include lead material, tungsten material or lead tungsten alloy heavy metal material.
7. the carbon fiber product according to claim 4 for possessing anti-scattered ray ability, it is characterised in that：The resin bed bag
Include epoxy resin layer, one kind in novolac resin layer or polyvinyl chloride resin layer.
8. the carbon fiber product according to claim 1 for possessing anti-scattered ray ability, it is characterised in that：The radiation absorption
Material layer is heavy metal layer, is bonded between the heavy metal layer and the carbon fiber layer by jointing material.
9. the carbon fiber product according to claim 8 for possessing anti-scattered ray ability, it is characterised in that：The radiation absorption
Material layer is that heavy metal layer includes one kind in lead layer, tungsten layer or lead tungsten alloy layer.
10. the carbon fiber product according to claim 8 for possessing anti-scattered ray ability, it is characterised in that：The heavy metal
The thickness range of layer is 10 μm~200 μm.
11. the carbon fiber product according to claim 1 for possessing anti-scattered ray ability, it is characterised in that：The radiation is inhaled
Receipts material layer is radiation-absorbing material membrane structure, is passed through between the radiation-absorbing material membrane structure and the carbon fiber layer
Jointing material bonds.
12. the carbon fiber product according to claim 11 for possessing anti-scattered ray ability, it is characterised in that：The radiation is inhaled
The thickness range for receiving material membrane structure is 5um~0.5mm.
13. a kind of flat panel detector for including the carbon fiber product for possessing anti-scattered ray ability, it is characterised in that the flat board is visited
Surveying device includes：The shell that is surrounded by upper lid, frame and bonnet, the middleware in the shell, in described
Between the circuit board on one surface of part, the TFT flat boards installed in another surface of middleware, wherein, the upper Gai Youquan
Profit requires that the carbon fiber product for possessing anti-scattered ray ability described in 1~12 any one is formed.
14. the flat panel detector according to claim 13 for including the carbon fiber product for possessing anti-scattered ray ability, it is special
Sign is：The middleware is covered after being fixed on, and the space for accommodating circuit board is formed between the middleware and bonnet.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610630216.5A CN107685495A (en) | 2016-08-03 | 2016-08-03 | Possess the carbon fiber product and flat panel detector of anti-scattered ray ability |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610630216.5A CN107685495A (en) | 2016-08-03 | 2016-08-03 | Possess the carbon fiber product and flat panel detector of anti-scattered ray ability |
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| CN107685495A true CN107685495A (en) | 2018-02-13 |
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| CN201610630216.5A Pending CN107685495A (en) | 2016-08-03 | 2016-08-03 | Possess the carbon fiber product and flat panel detector of anti-scattered ray ability |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110753463A (en) * | 2018-07-22 | 2020-02-04 | 宏达国际电子股份有限公司 | Electronic device casing and electronic device |
| GB2597896A (en) * | 2018-08-14 | 2022-02-16 | Nordson Corp | Binder permeated ionizing radiation shielding panels, method of construction of ionizing radiation shielding panels and an x-ray inspection system |
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| CN102023170A (en) * | 2009-09-18 | 2011-04-20 | 通用电气公司 | Apparatus for reducing scattered x-ray detection and method of same |
| CN102930917A (en) * | 2011-08-08 | 2013-02-13 | 西门子公司 | Method for producing an x-ray scattered radiation grid and x-ray scattered radiation grid |
| CN206170763U (en) * | 2016-08-03 | 2017-05-17 | 上海奕瑞光电子科技有限公司 | Possess carbon fiber product and flat panel detector that prevent scattered rays ability |
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| US4380087A (en) * | 1979-09-06 | 1983-04-12 | Tokyo Shibaura Denki Kabushiki Kaisha | X-ray film cassette |
| CN102023170A (en) * | 2009-09-18 | 2011-04-20 | 通用电气公司 | Apparatus for reducing scattered x-ray detection and method of same |
| CN102930917A (en) * | 2011-08-08 | 2013-02-13 | 西门子公司 | Method for producing an x-ray scattered radiation grid and x-ray scattered radiation grid |
| CN206170763U (en) * | 2016-08-03 | 2017-05-17 | 上海奕瑞光电子科技有限公司 | Possess carbon fiber product and flat panel detector that prevent scattered rays ability |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110753463A (en) * | 2018-07-22 | 2020-02-04 | 宏达国际电子股份有限公司 | Electronic device casing and electronic device |
| GB2597896A (en) * | 2018-08-14 | 2022-02-16 | Nordson Corp | Binder permeated ionizing radiation shielding panels, method of construction of ionizing radiation shielding panels and an x-ray inspection system |
| US11342090B2 (en) | 2018-08-14 | 2022-05-24 | Nordson Corporation | Binder permeated ionizing radiation shielding panels, method of construction of ionizing radiation shielding panels and an x-ray inspection system employing such panels |
| GB2597896B (en) * | 2018-08-14 | 2023-06-07 | Nordson Corp | Binder permeated ionizing radiation shielding panels, method of construction of ionizing radiation shielding panels and an x-ray inspection system |
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