CN105826342B - A kind of electromagnetic armouring structure and preparation method for X-ray flat panel detector - Google Patents
A kind of electromagnetic armouring structure and preparation method for X-ray flat panel detector Download PDFInfo
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- CN105826342B CN105826342B CN201610284080.7A CN201610284080A CN105826342B CN 105826342 B CN105826342 B CN 105826342B CN 201610284080 A CN201610284080 A CN 201610284080A CN 105826342 B CN105826342 B CN 105826342B
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/20—Measuring radiation intensity with scintillation detectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14601—Structural or functional details thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14601—Structural or functional details thereof
- H01L27/1462—Coatings
- H01L27/14623—Optical shielding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14683—Processes or apparatus peculiar to the manufacture or treatment of these devices or parts thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14683—Processes or apparatus peculiar to the manufacture or treatment of these devices or parts thereof
- H01L27/14685—Process for coatings or optical elements
Abstract
The present invention provides a kind of electromagnetic armouring structure and preparation method for X-ray flat panel detector, comprising: an at least carbon fiber board；At least one is formed in the electro-magnetic screen layer on the carbon fiber board surface, and the electro-magnetic screen layer includes the thick film paste bed of material, the thick film paste bed of material with a thickness of 5 ~ 20 microns.The present invention is for solving the problems, such as that electromagnetic shielding protective capacities in X-ray flat panel detector front is insufficient in the prior art.
Description
Technical field
The present invention relates to a kind of electromagnetic armouring structures, more particularly to a kind of solution X-ray flat panel detector front electromagnetism
The electromagnetic armouring structure and preparation method of shielding.
Background technique
In X-ray photographic, digitized x-ray image is high with image resolution ratio compared with common X-ray image, shade of gray is wide,
Amount of image information is big, helps to improve accuracy rate of diagnosis.Digitlization is taken the photograph in piece (Digital Radiography, DR), and x-ray turns
Changing electric signal into is by flat panel detector (Flat Plane Detector, FPD) come what is realized, so flat panel detector
Characteristic can generate bigger influence to DR picture quality.
Nature, in living and working environment, there are the electromagnetic waves of various frequency ranges, can generate to the signal transmitted in circuit dry
It disturbs, forms noise.Current DR automation degree of equipment is high, and it is dry that motor used in various rotating parts can all generate electromagnetism
It disturbs, wherein the electromagnetic interference shielding ability of field effect transistor (TFT) circuit face is weaker in flat panel detector, in magnetic
Under the interference of field, DR picture quality can generate bigger influence, to influence customer experience.
In order to solve electromagnetic interference problem, most producers will do it electromagnetic shielding in flat panel detector TFT circuit front and set
Meter, such as addition aluminium film.But aluminium film is preferable to the shielding of electric field, it is general for the interference shielding effect in magnetic field.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide one kind detects for X-ray plate
The electromagnetic armouring structure and preparation method of device, for solving X-ray flat panel detector front electromagnetic shielding protection in the prior art
The problem of scarce capacity.
In order to achieve the above objects and other related objects, the present invention provides a kind of electromagnetism for X-ray flat panel detector
Shielding construction includes: an at least carbon fiber board；At least one is formed in the electro-magnetic screen layer on the carbon fiber board surface, the electromagnetism
Shielded layer includes the thick film paste bed of material, the thick film paste bed of material with a thickness of 5~20 microns.
Preferably, the electro-magnetic screen layer further includes at least one height that the carbon fiber board surface is formed in by adhesive
Molecule film layer, the thick film paste bed of material are formed in the polymeric membrane layer surface.
Preferably, the adhesive is pressure sensitive adhesive or AB glue.
Preferably, the macromolecule membranous layer is with a thickness of 45~55 microns.
Preferably, the material of the macromolecule membranous layer is PET or PP.
Preferably, the thick film paste bed of material includes following components: electromagnetic shielding material powder and polymer binder, described
The electromagnetic shielding material content of powder of the thick film paste bed of material is 70%wt~80%wt,.
Preferably, the electromagnetic shielding material powder is Mn-Zn system ferrite powder, Ni-Zn system ferrite powder
And one or more of nickel alloy nanometer powder combination.
Preferably, the polymer binder is in the ethyl cellulose of different molecular weight and the PVB of different molecular weight
One or more kinds of combinations.
A kind of preparation method the present invention also provides electromagnetic armouring structure for X-ray flat panel detector includes: to provide
An at least carbon fiber board；An at least electro-magnetic screen layer is formed in the carbon fiber board surface, the electro-magnetic screen layer includes at least
One with a thickness of 5~20 microns of the thick film paste bed of material.
Preferably, the forming method of the electro-magnetic screen layer is as follows: by the way of silk-screen printing, by thick film ink in institute
It states carbon fiber board surface and directly forms at least one thick film paste bed of material.
Preferably, the forming method of the electro-magnetic screen layer is as follows: an at least macromolecule membranous layer is provided, using silk-screen printing
Mode, by thick film ink the polymeric membrane layer surface formed at least one thick film paste bed of material, then polymeric membrane
Layer is combined to the carbon fiber board surface by adhesive.
Preferably, the forming method of the thick film paste bed of material is as follows: by electromagnetic shielding material powder, polymer binder,
Dispersing agent, plasticizer and solvent are pre-mixed together, then use three-roller dispersion mixing, electromagnetic shielding material powder is made and contains
Measure the thick film paste bed of material in 70%wt~80%wt.
Preferably, the electromagnetic shielding material powder is Mn-Zn system ferrite powder, Ni-Zn system ferrite powder
And one or more of nickel alloy nanometer powder combination.
Preferably, the polymer binder is in the ethyl cellulose of different molecular weight and the PVB of different molecular weight
One or more kinds of combinations.
As described above, the electromagnetic armouring structure and preparation method for X-ray flat panel detector of the invention, has following
The utility model has the advantages that
1) present invention improves the anti-electromagnetic interference capability of field effect transistor in flat panel detector (TFT) circuit face.
2) molding and processing problems of large area film material are solved, film material body intensity and toughness are solved.
3) electro-magnetic screen layer thickness appropriate also reduces as far as possible and penetrates to X while having the effect of electromagnetic shielding
The absorption of line.
4) increased costs are limited, and picture quality can be made good, promote the market competitiveness of Products.
Detailed description of the invention
Fig. 1 is shown as a kind of electromagnetic armouring structure schematic diagram for X-ray flat panel detector of the invention.
Fig. 2 is shown as a kind of electromagnetic armouring structure schematic diagram for X-ray flat panel detector of the invention.
Fig. 3 is shown as a kind of system of the thick film ink of electromagnetic armouring structure for X-ray flat panel detector of the invention
Preparation Method schematic diagram.
Fig. 4 is shown as a kind of thick film paste bed of material of electromagnetic armouring structure for X-ray flat panel detector of the invention
Preparation method schematic diagram.
Component label instructions
0 flat area marking plate
1 carbon fiber board
21 macromolecule membranous layers
The 22 thick film paste bed of materials
2 electro-magnetic screen layers
3 scintillator layers
4 TFT amorphous silicon face plates
5 hardwares
6 circuit boards
7 metal chassis
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
It please refers to Fig.1 to Fig.4.It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to
Cooperate the revealed content of specification, so that those skilled in the art understands and reads, being not intended to limit the invention can be real
The qualifications applied, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size
It is whole, in the case where not influencing the effect of present invention can be generated and the purpose that can reach, it should all still fall in disclosed skill
Art content obtains in the range of capable of covering.Meanwhile in this specification it is cited as "upper", "lower", "left", "right", " centre " and
The term of " one " etc. is merely convenient to being illustrated for narration, rather than to limit the scope of the invention, relativeness
It is altered or modified, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the present invention.
Embodiment one
As shown in Figure 1, the present invention provides a kind of electromagnetic armouring structure for X-ray flat panel detector: an at least carbon fiber
Tie up plate 1；At least one is formed in the electro-magnetic screen layer 2 on 1 surface of carbon fiber board, and the electro-magnetic screen layer 2 includes the thick film paste bed of material 22,
The thick film paste bed of material 22 with a thickness of 5~20 microns.In the present embodiment, preferably the thick film paste bed of material 22 with a thickness of 15 microns.
Wherein, the thick film paste bed of material 22 is composed of the following components: electromagnetic shielding material 70~80%wt of powder, macromolecule
Adhesive 8%wt, dispersing agent 1%wt, plasticizer 3%wt, 8~18%wt of solvent.Wherein, %wt is weight percentage.This reality
The thick film ink in example is applied as a kind of high viscosity, highly filled slurry can be used for silk-screen printing technique.Wherein solvent
Preferably terpinol.In the present embodiment, preferable solids content is in 75%wt~85%wt, most preferably 80%wt.
The electromagnetic shielding material powder is preferably Mn-Zn system ferrite powder, Ni-Zn system ferrite powder and
The combination of one or more of commercial nickel alloy nanometer powder.Ferrite has excellent protection electromagnetic interference capability.Its
In his embodiment, other main materials of the material powder with anti-electromagnetic interference function as thick film ink can also be used,
The material being not limited in the present embodiment.
The polymer binder is the ethyl cellulose of different molecular weight and the polyvinyl alcohol contracting fourth of different molecular weight
The combination of one or more of aldehyde (PVB) or the high molecular material mixing of other different molecular weights.
X-ray flat panel detector in the present embodiment includes at least: including the detector circuit plate 6 in metal chassis 7, position
Hardware 5 on the detector circuit plate 6, the TFT amorphous silicon face plate 4 on hardware 5；It is formed in this
The scintillator layers 3 of 4 upper surface of TFT amorphous silicon face plate；The carbon fiber board 1 being formed in the scintillator layers 3, and it is formed in institute
State the electro-magnetic screen layer 2 of 1 lower surface of carbon fiber board；The flat area marking plate 0 being formed on carbon fiber board 1.
Embodiment two
As shown in Fig. 2, present embodiments providing a kind of electromagnetic armouring structure for X-ray flat panel detector.
The present embodiment and embodiment one the difference is that, the electro-magnetic screen layer 2 of the present embodiment further includes at least one high
Molecule film layer 21,21 1 surface of macromolecule membranous layer are compounded to form by adhesive (pressure sensitive adhesive or AB glue) in the carbon fiber
1 surface of plate, the thick film paste bed of material 22 are formed in another surface of the macromolecule membranous layer 21.Wherein, AB glue is that the mixing of two liquid is hard
Change the nickname of glue, a liquid is this glue, and a liquid is curing agent, and two liquid phases are mixed to harden, it is not necessary to answer maturation firmly by temperature,
So being one kind of cold(-)setting glue.Pressure sensitive adhesive is a kind of adhesive for having sensibility to pressure.
Wherein, be used to form the polymeric membrane of macromolecule membranous layer 21 with a thickness of 45~55 microns, width is 500~550
Millimeter, the macromolecule membranous layer thickness of formation and former polymeric membrane consistency of thickness.It is preferred that the thickness of the macromolecule membrane in the present embodiment
Degree is 50 microns.The material of the macromolecule membranous layer is PET, PP or the good high molecular film material of other flexibilities.This implementation
Macromolecule membrane in example, can be to the toughness and support that the inorganic thin film layer within 20 microns provides, and easy processing and answers
It closes in rigid substrate.
Embodiment three
As shown in Figure 1, the present invention provides a kind of preparation method packet of electromagnetic armouring structure for X-ray flat panel detector
It includes: an at least carbon fiber board 1 is provided；By the way of silk-screen printing, by thick film ink obtained in advance in the carbon fiber board 1
Surface forms at least one with a thickness of 5~20 microns of the thick film paste bed of material 22, that is, electro-magnetic screen layer 2.Electromagnetism in this implementation
Shielded layer 2 is one with a thickness of 15 microns of the thick film paste bed of material 22, has both avoided screened film that from can also playing a large amount of absorptions of X-ray
To certain effectiveness.
Specifically, the forming method of the electro-magnetic screen layer 2 in the present embodiment on carbon fiber board 1 as shown in figure 4, provide first
One carbon fiber board 1 is substrate；Thick film ink is layered on the formation thick film paste bed of material 22 on silk-screen printing machine platform, then in screen printing
Carbon fiber board 1 is put on brush machine platform, carbon fiber board 1 is adsorbed on the thick film paste bed of material 22；Then silk-screen printing is carried out, in the carbon
1 surface of fiberboard directly forms a thick film paste bed of material 22.After silk-screen printing, the carbon fiber with the thick film paste bed of material 22 is removed
Plate 1 obtains the carbon fiber board 1 with electro-magnetic screen layer 2 after dry.Silk-screen printing is that one kind is widely used in electronic component system
It makes, the technology of film forming.Silk-screen printing technique can be used for making large area size, 20 microns of films below of film thickness
Layer.
Wherein, the forming method of thick film ink is high as shown in figure 3, firstly, by electromagnetic shielding material 70~80%wt of powder
Molecular adhesion agent 8%wt, dispersing agent 1%wt, plasticizer 3%wt, 8~18%wt of solvent are pre-mixed together, then use three-roller
The thick film ink is made in dispersion mixing.Wherein solvent is preferably terpinol.It is relatively high that solid content can be made in three-roller
For the thick film ink of printing, it is possible to reduce the macromolecule content in slurry, the stomata after reduction forms a film in film layer, macromolecule,
Improve film layer electromagnetic shielding capability.In the present embodiment, preferable solids content is in 75%wt~85%wt, most preferably 80%wt.
Wherein, the solid powder is Mn-Zn system ferrite powder, Ni-Zn system ferrite powder and commercial nickel
The combination of one or more of alloy nanoparticle.
The polymer binder is the ethyl cellulose of different molecular weight and the polyvinyl alcohol contracting fourth of different molecular weight
The combination of one or more of aldehyde (PVB) or the high molecular material mixing of other different molecular weights.
Example IV
As shown in Fig. 2, the present embodiment provides a kind of preparation sides of electromagnetic armouring structure for X-ray flat panel detector
Method.
The present embodiment and embodiment one the difference is that, the preparation method of the electro-magnetic screen layer 2 in the present embodiment is also
It include: that a macromolecule membranous layer 21 is provided for substrate, by the way of silk-screen printing, by thick film ink obtained in advance in the height
21 1 surface of molecule film layer forms an at least thick film paste bed of material 22, and then another surface of macromolecule membranous layer 21 is answered by adhesive
Close 1 surface of carbon fiber board.The electro-magnetic screen layer 2 formed in this implementation includes one with a thickness of 5~20 microns of thick film paste
The bed of material 22 and a macromolecule membranous layer 21.
Specifically, the forming method of the electro-magnetic screen layer 2 in the present embodiment on carbon fiber board 1 is as shown in Figure 4: providing first
One polymeric membrane is substrate, thick film ink is layered on the formation uniform thick film ink of a layer thickness on silk-screen printing machine platform, so
Polymeric membrane is put on silk-screen printing machine platform afterwards, polymeric membrane is adsorbed on thick film ink, is then screen printed onto institute
It states polymeric membrane surface and directly forms one layer of thick film ink.After silk-screen printing, the high score with one layer of thick film ink is removed
Sub- film obtains the polymeric membrane with one layer of thick film ink after dry.
In the present embodiment, be used to form the polymeric membrane of macromolecule membranous layer 21 with a thickness of 45~55 microns, width 500
~550 millimeters.The material of the polymeric membrane is PET, PP or the good high molecular film material of other flexibilities.It is preferred that this implementation
Example in macromolecule membrane with a thickness of 50 microns.
Wherein, in the present embodiment, the width of polymeric membrane is 550 millimeters, and the thick film ink area on polymeric membrane surface is
500mm × 500mm, it is bigger than thick film paste bed of material size required for product, according to product size difference convenient for after, cut out on demand
It cuts.Then the macromolecule membranous layer 21 with the thick film paste bed of material 22 cut on demand is passed through adhesive (pressure sensitive adhesive or AB glue)
It is combined to 1 surface of carbon fiber board.
In other embodiments, the electro-magnetic screen layer 2 may include multiple electro-magnetic screen layers 2, also can according to need by
By jointing material and multiple macromolecule membranous layers 21 respectively in connection in the upper surface or lower surface of carbon fiber board 1, the present embodiment
The quantity and placement location and modes of emplacement of electro-magnetic screen layer 2 and macromolecule membranous layer 21 are not limited.
In conclusion the electromagnetic armouring structure and preparation method for X-ray flat panel detector of the invention, has following
The utility model has the advantages that
1) present invention improves the anti-electromagnetic interference capability of field effect transistor in flat panel detector (TFT) circuit face.
2) molding and processing problems of large area film material are solved, film material body intensity and toughness are solved.
3) electro-magnetic screen layer thickness appropriate also reduces as far as possible and penetrates to X while having the effect of electromagnetic shielding
The absorption of line.
4) increased costs are limited, and picture quality can be made good, promote the market competitiveness of Products.
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 (14)
1. a kind of electromagnetic armouring structure for X-ray flat panel detector, which is characterized in that the electromagnetic armouring structure includes:
An at least carbon fiber board；
At least one is formed in the electro-magnetic screen layer on the carbon fiber board surface, and the electro-magnetic screen layer includes the thick film paste bed of material, institute
State the thick film paste bed of material with a thickness of 5~20 microns.
2. the electromagnetic armouring structure according to claim 1 for X-ray flat panel detector, it is characterised in that:
The electro-magnetic screen layer further includes at least one macromolecule membranous layer that the carbon fiber board surface is formed in by adhesive, institute
It states the thick film paste bed of material and is formed in the polymeric membrane layer surface.
3. the electromagnetic armouring structure according to claim 2 for X-ray flat panel detector, it is characterised in that: the glue
Stick is pressure sensitive adhesive or AB glue.
4. the electromagnetic armouring structure according to claim 2 for X-ray flat panel detector, it is characterised in that: the height
Molecule thicknesses of layers is 45~55 microns.
5. the electromagnetic armouring structure according to claim 2 for X-ray flat panel detector, it is characterised in that: the height
The material of molecule film layer is PET or PP.
6. the electromagnetic armouring structure according to claim 1 or 2 for X-ray flat panel detector, it is characterised in that: described
The thick film paste bed of material includes following components: electromagnetic shielding material powder and polymer binder, the electromagnetic screen of the thick film paste bed of material
Covering material powder content is 70%wt~80%wt.
7. the electromagnetic armouring structure according to claim 6 for X-ray flat panel detector, it is characterised in that: the electricity
Magnetic shielding material powder is Mn-Zn system ferrite powder, in Ni-Zn system ferrite powder and nickel alloy nanometer powder
One or more combination.
8. the electromagnetic armouring structure according to claim 6 for X-ray flat panel detector, it is characterised in that: the height
Molecular adhesion agent is the combination of one or more of the ethyl cellulose of different molecular weight and the PVB of different molecular weight.
9. a kind of preparation method of the electromagnetic armouring structure for X-ray flat panel detector, which is characterized in that the electromagnetic shielding
The preparation method of structure includes:
An at least carbon fiber board is provided；
Form an at least electro-magnetic screen layer in the carbon fiber board surface, the electro-magnetic screen layer include at least one with a thickness of 5~
20 microns of the thick film paste bed of material.
10. the preparation method of the electromagnetic armouring structure according to claim 9 for X-ray flat panel detector, feature
It is:
The forming method of the electro-magnetic screen layer is as follows:
By the way of silk-screen printing, thick film ink is directly formed at least one thick film ink on the carbon fiber board surface
Layer.
11. the preparation method of the electromagnetic armouring structure according to claim 9 for X-ray flat panel detector, feature
Be: the forming method of the electro-magnetic screen layer is as follows:
An at least macromolecule membranous layer is provided, by the way of silk-screen printing, by thick film ink in the polymeric membrane layer surface shape
At at least one thick film paste bed of material, the macromolecule membranous layer is then combined to the carbon fiber board surface by adhesive.
12. the preparation method described in 0 or 11 for the electromagnetic armouring structure of X-ray flat panel detector according to claim 1,
Be characterized in that: the forming method of the thick film ink is as follows:
By electromagnetic shielding material powder, polymer binder, dispersing agent, plasticizer and solvent are pre-mixed together, then use
Electromagnetic shielding material content of powder is made in the thick film ink of 70%wt~80%wt in three-roller dispersion mixing.
13. the preparation method of the electromagnetic armouring structure according to claim 12 for X-ray flat panel detector, feature
Be: the electromagnetic shielding material powder is Mn-Zn system ferrite powder, Ni-Zn system ferrite powder and nickel alloy
The combination of one or more of nanometer powder.
14. the preparation method of the electromagnetic armouring structure according to claim 12 for X-ray flat panel detector, feature
Be: the polymer binder is one of the ethyl cellulose of different molecular weight and the PVB of different molecular weight or two
Kind combination of the above.
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| CN101950590A (en) * | 2010-07-09 | 2011-01-19 | 江苏康众数字医疗设备有限公司 | Barrier plate for blocking high-energy ray radiation |
| CN102354696A (en) * | 2011-07-22 | 2012-02-15 | 上海奕瑞光电子科技有限公司 | X-ray detector |
| CN105177745A (en) * | 2015-08-31 | 2015-12-23 | 贵州省纤维检验局 | Novel electromagnetic shielding nanocarbon conductive fibrous material and preparation method thereof |
| CN205828389U (en) * | 2016-05-03 | 2016-12-21 | 奕瑞影像科技（太仓）有限公司 | A kind of electromagnetic armouring structure for X-ray flat panel detector |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101950590A (en) * | 2010-07-09 | 2011-01-19 | 江苏康众数字医疗设备有限公司 | Barrier plate for blocking high-energy ray radiation |
| CN102354696A (en) * | 2011-07-22 | 2012-02-15 | 上海奕瑞光电子科技有限公司 | X-ray detector |
| CN105177745A (en) * | 2015-08-31 | 2015-12-23 | 贵州省纤维检验局 | Novel electromagnetic shielding nanocarbon conductive fibrous material and preparation method thereof |
| CN205828389U (en) * | 2016-05-03 | 2016-12-21 | 奕瑞影像科技（太仓）有限公司 | A kind of electromagnetic armouring structure for X-ray flat panel detector |
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